3-Methylindole - ≥98% , CAS No.83-34-1

CAS: 83-34-1 Cat. No.: S104736 Molecular Weight: 131.17 Beilstein Registry Number: 111296 EC Number: 201-471-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
BRD-K73824630-001-03-2 | s4959 | .beta.-Methylindole | 3-Methylindole, 98% | CCG-214598 | FEMA No. 3019 | Skatole, >=98% | M-3898 | WLN: T56 BMJ D1 | C08313 | DTXCID601775 | CHEBI:9171 | HSDB 3511 | SKATOLUM | 3-methyl indole | M0347 | CG-0502 | HY-W00735
Storage
Argon charged,Room temperature
Shipped In
Normal
Size
Status
Price
Qty
1g
S104736-1g
5

$9.90

$14.90
Save $5.00 (33.56%)
5g
S104736-5g
3

$15.90

$23.90
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10g
S104736-10g
1

$19.90

$29.90
Save $10.00 (33.44%)
25g
S104736-25g
1

$35.90

$53.90
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100g
S104736-100g
1

$70.90

$106.90
Save $36.00 (33.68%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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.

Specifications

Synonyms
BRD-K73824630-001-03-2 | s4959 | .beta.-Methylindole | 3-Methylindole, 98% | CCG-214598 | FEMA No. 3019 | Skatole, >=98% | M-3898 | WLN: T56 BMJ D1 | C08313 | DTXCID601775 | CHEBI:9171 | HSDB 3511 | SKATOLUM | 3-methyl indole | M0347 | CG-0502 | HY-W00735
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Action Type
ACTIVATOR
Purity
≥98%
Names and Identifiers
Pubchem Sid488180144
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488180144
Canonical SmilesCC1=CNC2=CC=CC=C12
IUPAC Name3-methyl-1H-indole
InChIKeyZFRKQXVRDFCRJG-UHFFFAOYSA-N
INCHI1S/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=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassIndoles and derivatives
SubclassIndoles
Intermediate Tree Nodes 3-alkylindoles
Direct Parent3-methylindoles
Alternative Parents Substituted pyrroles  Benzenoids  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 3-methylindole - Benzenoid - Substituted pyrrole - Heteroaromatic compound - Pyrrole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PTH1R Tclin Parathyroid hormone receptor (47172 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ATM Tchem Serine-protein kinase ATM (4198 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

17 results found

Lot NumberCertificate TypeDateItem
H2603677Certificate of AnalysisAug 04, 2026 S104736
F2601106Certificate of AnalysisJun 30, 2026 S104736
A2207272Certificate of AnalysisOct 13, 2025 S104736
A2207274Certificate of AnalysisOct 13, 2025 S104736
A2207652Certificate of AnalysisOct 13, 2025 S104736
A22071111Certificate of AnalysisOct 13, 2025 S104736
G2524121Certificate of AnalysisAug 07, 2025 S104736
L2001118Certificate of AnalysisSep 14, 2024 S104736
D2425374Certificate of AnalysisMar 25, 2024 S104736
D2423295Certificate of AnalysisMar 25, 2024 S104736
D2423294Certificate of AnalysisMar 25, 2024 S104736
B2628220Certificate of AnalysisMar 25, 2024 S104736
B2317153Certificate of AnalysisMar 02, 2023 S104736
F2316590Certificate of AnalysisFeb 24, 2023 S104736
F2316597Certificate of AnalysisFeb 24, 2023 S104736
F2316599Certificate of AnalysisFeb 24, 2023 S104736
F2316602Certificate of AnalysisFeb 24, 2023 S104736

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Chemical and Physical Properties
SolubilitySoluble in water, Ether, Alcohols, Benzene, Acetone, Chloroform.
SensitivityLight & Air Sensitive.
Flash Point(°F)269.6 °F
Flash Point(°C)132℃
Boil Point(°C)265-266°C
Melt Point(°C)95°C
Molecular Weight131.170 g/mol
XLogP32.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass131.073 Da
Monoisotopic Mass131.073 Da
Topological Polar Surface Area15.800 Ų
Heavy Atom Count10
Formal Charge0
Complexity122.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
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,  (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,  (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]
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