Determine the necessary mass, volume, or concentration for preparing a solution.
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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
3-Methylindole is a naturally abundant pneumotoxin. In lower concentrations, the compound has a pleasant aroma, giving orange blossoms and jasmine their pleasing scent.
A naturally abundant pneumotoxin.
| Pubchem Sid | 488180144 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488180144 |
| Canonical Smiles | CC1=CNC2=CC=CC=C12 |
| IUPAC Name | 3-methyl-1H-indole |
| InChIKey | ZFRKQXVRDFCRJG-UHFFFAOYSA-N |
| INCHI | 1S/C9H9N/c1-7-6-10-9-5-3-2-4-8(7)9/h2-6,10H,1H3 |
| Isomeric SMILES | CC1=CNC2=CC=CC=C12 |
| WGK Germany | 2 |
| RTECS | NM0350000 |
| Molecular Weight | 131.17 |
| Beilstein | 111296 |
| Reaxy-Rn | 111296 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=111296&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Indoles and derivatives |
| Subclass | Indoles |
| Intermediate Tree Nodes | 3-alkylindoles |
| Direct Parent | 3-methylindoles |
| Alternative Parents | Substituted pyrroles Benzenoids Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | 3-methylindole - Benzenoid - Substituted pyrrole - Heteroaromatic compound - Pyrrole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as 3-methylindoles. These are aromatic heterocyclic compounds that contain an indole moiety substituted at the 3-position with a methyl group. |
| External Descriptors | a small molecule |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Aug 04, 2026 | S104736 | |
| Certificate of Analysis | Jun 30, 2026 | S104736 | |
| Certificate of Analysis | Oct 13, 2025 | S104736 | |
| Certificate of Analysis | Oct 13, 2025 | S104736 | |
| Certificate of Analysis | Oct 13, 2025 | S104736 | |
| Certificate of Analysis | Oct 13, 2025 | S104736 | |
| Certificate of Analysis | Aug 07, 2025 | S104736 | |
| Certificate of Analysis | Sep 14, 2024 | S104736 | |
| Certificate of Analysis | Mar 25, 2024 | S104736 | |
| Certificate of Analysis | Mar 25, 2024 | S104736 | |
| Certificate of Analysis | Mar 25, 2024 | S104736 | |
| Certificate of Analysis | Mar 25, 2024 | S104736 | |
| Certificate of Analysis | Mar 02, 2023 | S104736 | |
| Certificate of Analysis | Feb 24, 2023 | S104736 | |
| Certificate of Analysis | Feb 24, 2023 | S104736 | |
| Certificate of Analysis | Feb 24, 2023 | S104736 | |
| Certificate of Analysis | Feb 24, 2023 | S104736 |
| Solubility | Soluble in water, Ether, Alcohols, Benzene, Acetone, Chloroform. |
|---|---|
| Sensitivity | Light & Air Sensitive. |
| Flash Point(°F) | 269.6 °F |
| Flash Point(°C) | 132℃ |
| Boil Point(°C) | 265-266°C |
| Melt Point(°C) | 95°C |
| Molecular Weight | 131.170 g/mol |
| XLogP3 | 2.600 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 131.073 Da |
| Monoisotopic Mass | 131.073 Da |
| Topological Polar Surface Area | 15.800 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 122.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Bingbing Luo, Kai Wu, Jiajun Yu, Siyu Wang, Yihan Wang, Chenyang Chu, Huiyan Zhang. (2022) Enhancement of renewable N-heterocycles production via catalytic co-pyrolysis of glycerol and cellulose over HZSM-5 under ammonia atmosphere. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, [PMID:] [10.1016/j.jaap.2022.105649] |
| 2. Qiao Ma, Nan Meng, Jiancheng Su, Yujie Li, Jiazheng Gu, Yidi Wang, Jingwei Wang, Yuanyuan Qu, Zelong Zhao, Yeqing Sun. (2022) Unraveling the skatole biodegradation process in an enrichment consortium using integrated omics and culture-dependent strategies. Journal of Environmental Sciences, [PMID:36522097] [10.1016/j.jes.2022.06.025] |
| 3. Jia Yin, Yujie Song, Yaozhong Hu, Yuanyifei Wang, Bowei Zhang, Jin Wang, Xuemeng Ji, Shuo Wang. (2021) Dose-Dependent Beneficial Effects of Tryptophan and Its Derived Metabolites on Akkermansia In Vitro: A Preliminary Prospective Study. Microorganisms, 9 (7): (1511). [PMID:34361945] [10.3390/microorganisms9071511] |
| 4. Yanjuan Gao, Guoying Wang, Aijuan Zhou, Xiuping Yue, Yanqing Duan, Xin Kong, Xiao Zhang. (2019) Effect of nitrate on indole degradation characteristics and methanogenesis under mixed denitrification and methanogenesis culture. BIOCHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.bej.2019.02.009] |
| 5. Zhang S., Quan Y., Song L., Duan P., Fan Y.-Сh.. (2017) Three-Dimensional Fluorescence Characteristics of Algal Bio-Oil. Journal of Applied Spectroscopy, 84 (3): (508-511). [PMID:] [10.1007/s10812-017-0501-8] |
| 6. Qian Yao, Lujiang Xu, Zheng Han, Ying Zhang. (2015) Production of indoles via thermo-catalytic conversion and ammonization of bio-derived furfural. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2015.05.094] |
| 7. Pengfei Ma, Wenming Yang, Ting Fan, Hong Liu, Zhiping Zhou, Jinhui Li, Lin Zhang, Wanzhen Xu. (2015) Surface imprinted polymers for oil denitrification with the combination of computational simulation and multi-template molecular imprinting. POLYMERS FOR ADVANCED TECHNOLOGIES, 26 (5): (476-486). [PMID:] [10.1002/pat.3476] |
| 8. Lukuan Liu, Yang Cao, Pengfei Ma, Chunxiao Qiu, Wanzhen Xu, Hong Liu, Weihong Huang. (2013) Rational design and preparation of magnetic imprinted polymers for removal of indole by molecular simulation and improved atom transfer radical polymerization. RSC Advances, 4 (2): (605-616). [PMID:] [10.1039/C3RA43875A] |
| 9. Yufei Deng, Xiaoying Hou, Qian Fang, Haiping Wang, Xiaoxuan Li, Zhiyong Hu, Zhaolu Liu, Limei Fan, Yunyi Liu, Zhengqi Fu, Xiji Shu, Binlian Sun, Lijun Huang, Yuchen Liu. (2025) High-salt diet decreases FOLFOX efficacy via gut bacterial tryptophan metabolism in colorectal cancer. MOLECULAR MEDICINE, [PMID:39972411] [10.1186/s10020-025-01122-8] |
| 10. Yuan-yuan Zhai, Qiang Wang, Qi-yao Nong, Mei-yu Gao, Ying Zhang, Qin-wen Xiao, Yuan Tian, Zun-jian Zhang, Feng-guo Xu, Pei Zhang. (2025) Pitavastatin overcomes multi-drug resistance in CRC and NSCLC by targeting the NRP1-ZFX axis. BIOCHEMICAL PHARMACOLOGY, [PMID:40684995] [10.1016/j.bcp.2025.117183] |
| 11. Miao Tian, Mingchao Li, Hongxia Tan, Tianying Lu, Lintao Zeng. (2025) A portable, reusable, and highly sensitive colorimetric probe for rapid screening of meat freshness. FOOD CONTROL, [PMID:] [10.1016/j.foodcont.2025.111803] |
| 12. Nan Meng, Genxiu Li, Jiaxin Zhang, Jingwen Zhu, Xutong Kang, Jiahao Duan, Qiao Ma. (2026) A novel and evolutionarily distinct flavoprotein monooxygenase drives skatole degradation in Rhodococcus. APPLIED AND ENVIRONMENTAL MICROBIOLOGY, [PMID:] [10.1128/aem.00228-26] |