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3-(1H-Indol-3-Yl)-Propan-1-Ol

    • Product Name 3-(1H-Indol-3-Yl)-Propan-1-Ol
    • Alias Tryptophol
    • Einecs 217-486-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    578265

    Iupac Name 3-(1H-Indol-3-yl)propan-1-ol
    Molecular Formula C11H13NO
    Molecular Weight 175.23 g/mol
    Cas Number 501-94-0
    Appearance White to off-white solid
    Melting Point 94-97°C
    Boiling Point 388.2°C at 760 mmHg
    Solubility In Water Slightly soluble
    Density 1.2 g/cm³
    Synonyms Indole-3-propyl alcohol, 3-Indolepropanol
    Smiles C1=CC2=C(C=C1)C(=CN2)CCC(O)
    Inchi InChI=1S/C11H13NO/c13-8-4-7-10-6-2-1-3-9(10)5-12-11-10/h1-3,5-6,12-13H,4,7-8H2
    Pubchem Cid 10221
    Storage Conditions Store at room temperature, keep container tightly closed

    As an accredited 3-(1H-Indol-3-Yl)-Propan-1-Ol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle with screw cap, labeled "3-(1H-Indol-3-Yl)-Propan-1-Ol, 25g," including hazard warnings and CAS number.
    Shipping The chemical **3-(1H-Indol-3-yl)-propan-1-ol** is shipped in tightly sealed containers, protected from light and moisture. Packaging complies with safety regulations to prevent leaks or contamination. Shipment may require temperature control and labeling as a research chemical. Handle in accordance with applicable local and international chemical transport regulations.
    Storage **3-(1H-Indol-3-Yl)-Propan-1-Ol** should be stored in a tightly sealed container, protected from light and moisture. Keep it at room temperature (15–25°C) in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Proper labeling and access control are recommended to ensure chemical safety.
    Application of 3-(1H-Indol-3-Yl)-Propan-1-Ol

    Applications of 3-(1H-Indol-3-Yl)-Propan-1-Ol in Industrial Manufacturing

    3-(1H-Indol-3-Yl)-Propan-1-Ol is a specialty chemical valuable in advanced synthesis routes, serving as a key intermediate in selected life science, fine chemical, and specialty polymer manufacturing. Direct integration of this material can greatly influence batch consistency, scalability, and purity in regulated downstream industries. Below we detail core application scenarios, usage practices, and finished product types as realized by leading industrial producers.

    1. Active Pharmaceutical Ingredient (API) Synthesis for CNS Drug Development

    This indole derivative is often selected as a starting intermediate in the preparation of central nervous system (CNS) drug candidates. Pharmaceutical manufacturers use it for tryptamine backbone synthesis as part of stepwise or one-pot routes in GMP-compliant facilities. The aromatic alcohol functionality makes it suitable for sequential functional group modifications, resulting in various psychoactive agents or their protected analogues. Material quality and impurity controls remain critical throughout this multi-stage process to meet stringent pharmacopeial requirements for human use.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practices for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (EP) and United States Pharmacopeia (USP) monographs for indole derivatives
    • 21 CFR Part 210/211 (US) for finished pharmaceuticals
    • Supplier full traceability and GMP audit documentation

    Typical usage ratio

    • Batch input ranging from 0.2 to 0.8 molar equivalents relative to targeted API intermediate
    • Optimized based on target compound yield and downstream reactivity

    Downstream process integration

    • Entry after initial condensation or Friedel-Crafts-type alkylation in multi-step organic synthesis
    • Followed by hydrolysis, protection, or catalytic amination depending on API structure
    • Subsequent purification via preparative chromatography or crystallization

    Final product types

    • CNS-targeted psychoactive pharmaceuticals
    • Tryptamine class drug substances and their prodrugs
    • Clinical research standards

    2. Synthesis of Functional Dyes for Analytical Reagents

    Chemical manufacturers utilize 3-(1H-Indol-3-Yl)-Propan-1-Ol to design indole backbone-based functional dyes, which offer unique reactivity and fluorescence profiles useful in analytical and diagnostic reagent production. Through selective alkylation and sulfonation, producers adjust chromophore stability and emission properties, yielding specialized indicators for biochemistry laboratories. Consistent sourcing ensures minimal background interference and reproducible colorimetric response for industrial test kit manufacturing.

    Industry compliance standards

    • ISO 9001 for quality management in chemical manufacturing
    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) compliance for substances in the EU
    • RoHS Directive for non-electronic reagent compatibility
    • Documentation of trace metal and organic impurity content

    Typical usage ratio

    • Raw input at 1.0 to 1.5 equivalents relative to target dye scaffold
    • Adjustments based on emission specification and auxiliary substituent loading

    Downstream process integration

    • Feedstock for initial condensation or Mannich-type reactions
    • Intermediate for subsequent sulfonation and purification steps
    • Harvested via extractive crystallization or membrane filtration

    Final product types

    • Analytical grade indolyl dyes
    • Diagnostic test reagents
    • Fluorescent markers for life science kits

    3. Building Block in Agrochemical Synthesis for Plant Growth Regulators

    Manufacturers of advanced agricultural chemicals incorporate this indole propanol in multi-step synthesis of plant growth regulators. Its structure supports side chain modifications and further oxidation reactions required for indole-3-acetic acid mimetics, which farmers use to modulate hormone response in crops. Batch traceability, residue analysis, and environmental safety evaluations form part of downstream customer qualification, with continuous monitoring of transformation efficiency in technical-scale reactors.

    Industry compliance standards

    • ISO 17025 laboratory accreditation for analytical testing
    • Directive 91/414/EEC for registration of agrochemicals in the EU
    • EPA 40 CFR Part 158 for pesticide product registration in the US
    • Material Safety Data Sheet (MSDS) conformity with GHS

    Typical usage ratio

    • 0.25 to 1.0 parts by mass per equivalent of final bioactive molecule
    • Ratio varies with desired chain length or functional group density

    Downstream process integration

    • Introduced during alkylation and side-chain oxidation stages
    • Enters organocatalytic sequence ahead of deprotection or acylation
    • Monitored for conversion to minimize unreacted raw material

    Final product types

    • Plant growth regulator formulations
    • Auxin analogues for crop management
    • Precursor substances for agrochemical blends

    4. Precursor for Specialty Polyamide and Polyimide Materials

    Polymer and advanced materials manufacturers select this indolyl alcohol as a functional monomer or chain modifier during polyamide or polyimide production. The propanol group offers reactivity for amidation while the indole aromatic ring imparts unique dielectric and thermal properties. Process engineers control monomer addition to achieve target molecular weights and chain architecture, resulting in high-performance engineering plastics for niche electronics or chemical-resistant applications.

    Industry compliance standards

    • ISO 9001:2015 for polymer production quality management
    • ASTM D4066 for polyamide and polyimide resin specifications
    • UL 94 flammability safety for plastics
    • RoHS compliance for electronics-grade materials

    Typical usage ratio

    • 0.05–0.2 mol fraction relative to total monomer feed in polymerization
    • Adjusted for desired copolymer property or end-use specification

    Downstream process integration

    • Dosed into initial monomer mix ahead of condensation polymerization
    • Integrated in batch or continuous stirred tank reactors (CSTR)
    • Conversion tracked using gel permeation chromatography (GPC)

    Final product types

    • Specialty nylons with improved barrier properties
    • Polyimide films for flexible circuit boards
    • Chemical-resistant molded components
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    Certification & Compliance
    More Introduction

    Meet 3-(1H-Indol-3-Yl)-Propan-1-Ol: A Core Intermediate with Real-World Impact

    Every Batch Tells a Story

    At our facility, 3-(1H-Indol-3-Yl)-Propan-1-Ol has been running through glassware and reactors for many years. Anyone working in synthetic chemistry quickly learns what a difference one reliable intermediate can make, especially where consistency isn’t just desirable—it’s non-negotiable. In our line of work, it doesn’t matter what it says on paper if your results shift month by month. Our chemists keep a close watch on every step, from starting material sourcing to batch finalization. Developing this product rests on good technique, careful purification, and a determination to meet even unfamiliar requirements head-on.

    The core of this molecule lies in the indole ring. That indole backbone brings recognizable behavior in organic synthesis. Many find its reactivity familiar—whether you focus on pharma R&D, agricultural innovation, or advanced material sciences. We recognize those subtle differences between a typical intermediate and one that brings cleaner downstream reactions or fewer byproducts. Early process design taught us shortcuts can cost more in lost yield and repeat troubleshooting than they save. Cutting corners shines through in the lab, and it’s a lesson we keep front of mind every time a flask gets set on the hotplate.

    Our Commitment to Purity and Consistency

    Experienced chemists know that an intermediate is only as good as its worst impurity. You can spot the effect right away—a little contamination shifts melting points, coats glassware, or drags new peaks into your spectra. We learned the hard way that suppliers who don’t track every parameter end up passing those headaches to you. Our process tracks melting point, GC-MS, HPLC, and NMR signatures from early stage through final packaging. There’s no hedging: what you request is what you get, batch to batch.

    We stick with what works: tight reaction control, reliable starting materials, and a deliberate cooling and crystallization approach to bring out the optimal product form. Years refining purification steps revealed that simple techniques can actually outperform fancier setups—if managed with discipline and time. Our product’s appearance is unmistakable: a nearly white to faintly off-white crystalline solid, free from dust and discoloration. Any chemist will notice that kind of difference on the bench.

    We don’t need to guess about purity. This compound comes through at no less than 99% on an HPLC basis. That level matters. When you’re teeing up further derivatization or heading into scale-up, low-level residues can set off headaches nobody wants. Seeing clients report fewer setbacks and less need for repeat reactions motivates us to keep the process tight and documentation transparent.

    Applications Built on Real Experience

    Every hand that touches our product has felt the pressure to keep projects moving. 3-(1H-Indol-3-Yl)-Propan-1-Ol gets used at all scales. Lab research teams dig into indole derivatives for the pharmaceutical pipeline, probing for novel activity in CNS disorders, anticancer directions, or innovative antiviral agents. In-house, we’ve watched teams quickly move from 100-gram method scouting to 10-kilo scale-ups without fighting unexpected side reactions or slowdowns in purification. That saves both time and stress, especially in time-critical R&D environments.

    This intermediate also flows out to agricultural innovators. Some of the most interesting efforts use indole-containing molecules as growth regulators, rooting hormones, or pest deterrents. Field trials and registration studies dwell not just on biological activity but on reliability in synthesis. Any fluctuation in the building block shows up across a whole formulation campaign, and by sticking to established specs, teams sidestep variables that drag out development. We've seen technical staff return—sometimes years down the line—for additional supply, because they saw first-hand that our material supports trouble-free upscaling.

    Beyond mainstream applications, advanced material groups have explored indole-derived units as organic semiconductors or optoelectronic precursors. Here, reproducibility is king. Our consistent product performance helps their teams run larger pilot batches, cut down on recharacterization work, and hit their project deadlines. The difference between scrambling to re-optimize and having a routine, reliable raw material often comes down to a supplier's discipline—not marketing speak. This is where our approach shows real value: predictable inputs let you innovate at the output stage.

    How Our Product Sets Itself Apart

    Anyone scanning possible options for 3-(1H-Indol-3-Yl)-Propan-1-Ol on the open market will notice an uneven playing field. Some manufacturers focus on trading—they move drums but rarely adjust, learn, or troubleshoot at the reactor. That’s not our way. Years set up in this specialty have linked us directly to the bumps and pitfalls of real production, and our approach reflects that history. When we head into a new run, we know exactly how each parameter—solvent ratios, temperature swings, agitation rates—subtly molds the final product’s behavior.

    We field routine questions on how our material compares to commercially available indole intermediates—especially around batch stability, particle size, and trace contaminants. In our realm, slight variations in surface moisture or particle distribution reveal themselves during isolation and drying; those details matter when it comes to reaction times and yields downstream. Fine control over each variable reduces scatter in analytical results, so you can plan with more confidence. Colleagues in academic and industrial settings have commented that fewer repeats and runbacks are required versus some catalog sources or bulk-traded lots.

    Shelf-life also stands out. We routinely check older retained samples from historical runs using updated analytical techniques, so we know the real-world stability, not just what’s listed in an MSDS. Our crystalline solid stores well, resisting clumping and off-odors with standard storage practices. Repeated client feedback matches our own findings: opening a sealed container months later still brings out the expected characteristics, allowing for broader inventory planning and less rush ordering.

    Direct Chemical Manufacture Brings Its Own Insights

    Years on the manufacturing floor have taught us more than literature reviews ever could. Scaling from gram-scale flask runs to commercial volumes exposes hidden process variables, often in unexpected places. The need for clarity in documentation, handoffs between shifts, or troubleshooting a less-than-perfect filtration step—all these elements shape not just the material, but also the confidence our clients place in every order.

    We have invested in process validation and plant upgrades based on feedback from both our own QA teams and customers out in the field. The manufacturing setup—reactor trip systems, nitrogen supply redundancy, fail-safe sample ports—reflects a philosophy of catching issues early. In tricky steps like the final indole functionalization, we use in-line sensors and check off key metrics so downstream batches don’t get bogged down. People working with our chemical aren’t left guessing about process stability or analytical reproducibility.

    Having our own purification trains on-site, rather than farming it out or breaking down steps across continents, means tighter security and accountability. Routine system checks and parallel testing by multiple analysts help catch even subtle shifts. That gives us direct, on-the-ground knowledge about process drift, and allows us to keep controls tight. Our staff’s years of experience in indole chemistry flow directly into every container that leaves the plant.

    Supporting Responsible Innovation

    Great raw material must carry its weight in compliance and sustainability. No manufacturer operates in a vacuum; regulations shift, and expectations from partners grow. Part of our job involves keeping certifications up to date and investing in waste reduction, solvent recovery, and worker safety programs. Transitioning some steps to greener solvents wasn’t just an environmental checkbox—it brought down troubleshooting time and improved worker comfort. Regulatory milestones, like reaching REACH or local registration, rely on documented production practices, clear traceability, and detailed batch histories. That commitment builds trust and keeps both safety and utility at the top of our priorities.

    Working directly with downstream R&D teams has shaped many incremental changes in our plant operations. Sometimes, seemingly small requests—a tighter water content spec, or clarification of residual solvent types—drive equipment upgrades and shift policies. We adjust, not because it reads well in a report, but because an open line between manufacturer and end user reveals what actually matters. One project in the pipeline holds up everyone’s schedule; a reliable lot of precursor saves days at a time.

    Clear Application in Research and Scale-Up

    3-(1H-Indol-3-Yl)-Propan-1-Ol isn’t a commodity to us. Every delivery reflects not just current capacity, but years of customer feedback and internal scrutiny. Research chemists order it to unlock transformations—Fischer indole, Knoevenagel condensations, or Vilsmeier-Haack steps—where predictable starting materials mean fewer detours. Whenever advanced intermediates or final APIs are on the line, small impurities from unknown sources spell repeat work. The time saved by avoiding long, frustrating purification columns or repeated TLC checks adds up fast.

    Teams at process R&D sites have invited us in for sample troubleshooting when early batches from other sources stumbled. Bringing our expertise to their labs frequently settled questions quickly—was it a process misstep on their end, or variability back in the indole precursor? Most times, it traced back to trace contaminants or modifications in crystal morphology, which our on-site controls simply avoided. Experienced bench chemists know how a change in particle size can affect solubility, filtration ease, and even reactor fouling. Leaning on feedback, we’ve locked in best practices so downstream teams get more usable product and fewer surprises.

    With bulk and semi-bulk needs, our process shifts seamlessly from a few hundred grams to the multi-kilo scale, thanks to early investment in modular production trains. This helps projects that grow from promising benchtop results to preclinical or pre-commercial runs avoid the distractions and delays that result from switching suppliers or revalidating entire syntheses. Clinical-stage manufacturing rarely leaves room for missed schedules or variable analytical values, so knowing material comes off the same line, watched by the same team, grants peace of mind.

    Differences That Matter in Practice

    Comparing 3-(1H-Indol-3-Yl)-Propan-1-Ol from one producer to the next frequently exposes where experience and hands-on management show their worth. Global chemistries don’t all follow the same path; regional variations, regulatory hurdles, and exposure to local supply chains present hurdles for less-established manufacturers. Our team’s size allows tailored oversight without being pulled off by unrelated product lines or shifting management. The result is a refined routine: same reactor, same purification columns, reviewed batch sheets, direct lab-to-customer communication.

    Functionality and consistency go hand in hand. Even once a synthesis script is locked in, day-to-day variance can stem from shifts in feedstock evaporation rates, glassware aging, or temperature control fidelity. Our emphasis on day-in, day-out vigilance helps limit those ripples, and regular feedback cycles with analytical labs strengthen our understanding of where micro-improvements drive better outcomes for partners. Each improvement isn’t a headline—it’s a smoother filtration, a brighter TLC, a cleaner NMR spectrum.

    Newer entrants to the market sometimes take liberties, blending previously rejected product or skipping critical drying steps to meet deadlines. Some offer remarkably low prices—at the cost of stubborn residual solvents or color changes over time. Our refusal to rush, recycle rejected fractions, or blend unlogged material keeps every delivery on the right side of quality. Practical chemists notice quickly—your TLC baseline stays clearer, your mass yields stay steady. It’s the difference between reliable scale-up and chasing ghosts through the process.

    Pushing Forward with Transparency and Trust

    What matters most to technical project leaders, bench chemists, or operations managers is open, truthful communication backed by hard data. No one benefits from vague claims or half-truths about product limits. We maintain open access to analytical data for every lot, giving users not just the certificate but the story behind each batch’s journey.

    Our technical staff regularly visit users’ labs, discuss the details of purification steps, and learn how downstream systems interact with our material. That back-and-forth has brought out solutions that never would have emerged from behind a desk—a chill time extension, a ride on grade of silica, or a quick change in drying protocols solves issues that seem insurmountable from farther away.

    We build up knowledge from these field experiences, channeling them back into improved process design, tighter analytical controls, and more robust tracking of edge-case impurities. The rewards come in long-term trust, repeat orders, and partnerships that grow through mutual respect—for both the chemistry and the challenge of getting real projects all the way to the finish line.

    Why Chemists Come Back

    Chemists keep working with us for more than high-purity product or technical support. Our commitment extends to troubleshooting, honest reporting, and a willingness to invest in improvements that benefit the whole process chain. We track how our product moves through your methodology, adjust specs as needed, and invest time into understanding specific requirements. In practical terms, that means a smoother project flow, fewer reruns, and greater freedom to innovate without worrying about your next batch changing the script.

    Long-term partnerships matter in specialty chemicals. We have stayed in the sector without chasing the latest trend or losing sight of the fundamentals—clean reactions, clear documentation, and a willingness to get our hands dirty in pursuit of better performance. Over the years, we’ve learned that supporting customers through their challenges—be it a surprise on an analytical trace, a new regulatory shift, or an untested downstream application—offers more value than any press release or marketing campaign ever could.

    A Product—and a Manufacturer—you Can Build On

    3-(1H-Indol-3-Yl)-Propan-1-Ol is more than a line item on a procurement sheet—it’s the result of dedication, hands-on work, and an ongoing effort to partner with researchers, developers, and production specialists across the chemical industry.

    By focusing on what matters—batch reliability, open communication, and continuous improvement—we support a generation of scientists eager to take new ideas from flask to scale-up and beyond. The difference shows up on every NMR, every pilot batch, and every successful downstream run.