🌎 Ship to: United States
Toggle Nav
Cart
Search
Same-day shipping on all in-stock items.
Advanced Search
Quick Order SDS / CoA Structure Bulk & Custom
Menu
Account
Settings
྾
340,000+ research products · Triple ISO certified · COA & SDS available for every product · Same-day shipping on in-stock items

Indole - analytical standard , CAS No.120-72-9

CAS: 120-72-9 Cat. No.: I104728 Formula: C8H7N Molecular Weight: 117.15 Beilstein Registry Number: 107693 EC Number: 204-420-7
114 Citations COA
Indole - analytical standard CAS No(120-72-9) by Aladdin Scientific
AVAILABLE TO ORDER
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods.
Synonyms
Indole (white flake) | Indole, puriss., >=98.5% (GC) | I-0800 | SCHEMBL698 | SR-01000944736 | AMY3411 | BBL011739 | CCRIS 4421 | DB04532 | Tox21_302937 | BIDD:GT0304 | HSDB 599 | Indole 100 microg/mL in Acetonitrile | 1H-Benzo[b]pyrrole | INDOLE BENZO-P
Storage
Protected from light,Desiccated,Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
1g
I104728-1g
—
1 In stock

€53.71

€64.13
Save €10.41 (16.24%)
Enter a quantity for the sizes you want to add.
Bulk / Custom
♡ Wish List ⇅ Compare ⎙ Print page
SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Specifications Names and Identifiers Documentation Advanced Data Taxonomic Classification 3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Citations of This Product Solution Calculators Reviews
🧪
Why this grade

analytical standard Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Desiccated,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

Cited in 114 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Indole (white flake) | Indole, puriss., >=98.5% (GC) | I-0800 | SCHEMBL698 | SR-01000944736 | AMY3411 | BBL011739 | CCRIS 4421 | DB04532 | Tox21_302937 | BIDD:GT0304 | HSDB 599 | Indole 100 microg/mL in Acetonitrile | 1H-Benzo[b]pyrrole | INDOLE BENZO-P
Specifications & Purity
analytical standard
Storage
Protected from light,Desiccated,Room temperature
Shipped In
Normal
Grade
Analytical standard
Names and Identifiers
Pubchem Sid
528770805
Canonical Smiles
C1=CC=C2C(=C1)C=CN2
IUPAC Name
1H-indole
InChIKey
SIKJAQJRHWYJAI-UHFFFAOYSA-N
INCHI
1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H
Isomeric SMILES
C1=CC=C2C(=C1)C=CN2
WGK Germany
1
RTECS
NL2450000
UN Number
2811
Packing Group
III
Molecular Weight
117.15
Beilstein
107693
Reaxy-Rn
107693
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=107693&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 Not available
Direct ParentIndoles
Alternative Parents Benzenoids  Pyrroles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Indole - Benzenoid - 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 indoles. These are compounds containing an indole moiety, which consists of pyrrole ring fused to benzene to form 2,3-benzopyrrole.
External Descriptors an indole
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADK Tchem Adenosine kinase (1481 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA6 Tclin Carbonic anhydrase VI (993 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALB Tchem Serum albumin (2651 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CES1 Tchem Acyl coenzyme A:cholesterol acyltransferase (1029 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MCF7 (126967 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MRC5 (9203 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-N-SH (1499 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
U-251 (51189 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
U-87 MG (3946 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
A549 (127892 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NCI-H292 (733 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MDA-MB-231 (73002 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CDK5 Tchem Cyclin-dependent kinase 5/CDK5 activator 1 (3697 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GSK3A Tclin Glycogen synthase kinase-3 (736 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ITGAL Tclin Intercellular adhesion molecule (ICAM-1), Integrin alpha-L/beta-2 (760 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
CA4 Carbonic anhydrase IV (1713 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Saccharomyces cerevisiae (19171 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Cutibacterium acnes (887 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hepatitis C virus (23859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
INS1 (2867 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
E Lysozyme (95 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plutella xylostella (1838 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PYGM Glycogen phosphorylase, muscle form (1331 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Trpa1 Transient receptor potential cation channel subfamily A member 1 (1003 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Spodoptera exigua (540 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA3 Carbonic anhydrase 3 (27 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.

5 results found

Lot NumberCertificate TypeDateItem
E2629132Certificate of AnalysisJun 03, 2026 I104728
I2426103Certificate of AnalysisMay 22, 2026 I104728
D2423015Certificate of AnalysisJan 21, 2026 I104728
G2230109Certificate of AnalysisAug 06, 2022 I104728
C2215290Certificate of AnalysisMar 22, 2022 I104728
Chemical and Physical Properties
SensitivityLight sensitive.
Refractive Index1.609
Flash Point(°F)249°F
Flash Point(°C)121°C
Boil Point(°C)254°C
Melt Point(°C)52.5°C
Molecular Weight117.150 g/mol
XLogP32.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass117.058 Da
Monoisotopic Mass117.058 Da
Topological Polar Surface Area15.800 Ų
Heavy Atom Count9
Formal Charge0
Complexity101.000
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
Synthesis of molecular block “two-sided” indole
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Indole Fischer Heck Anti-cancer drugs Immunomodulators Antidepressants Anti-inflammatory drugs
Boc resin lysis protocol
Categories: Laboratory Protocols & SOPs Library
Tags:
Building Blocks peptide Protein Biology Solvents Peptides SPPS Peptide synthesis Protection groups Analytical standards
Fragrance Science: From “Smells Nice” to a Chemical World That Can Be Studied and Standardized
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Fragrance materials
Indole Product Navigation: How N-Position State, the C3 Connection Handle, and Core Scaffold Variants Map to Synthetic Interfaces and Research Uses (Tables A–E)
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Indole
Pyrrole Research Reagent Selection Roadmap: Structure—Reactive Sites—Application Throughline and Reagent Classification Guide (Tables 1–4)
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Pyrrole five-membered aromatic
Reaction Roles of DBU in Different Systems: Experimental Judgment from a Strong Organic Base to Nucleophilic Catalysis and Participation in the Reaction Pathway
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
DBU Bicyclic amidine reagents
Experimental Selection of SEM-Cl: From O/N-SEM Protection and Directed Functionalization of N-Heterocycles to the Introduction of Protected C1 Fragments
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
2-(Trimethylsilyl)ethoxymethyl chloride SEM-Cl
Understanding Indoline: Analysis of the Structural Features, Properties, and Applications of the 2,3-Dihydroindole Scaffold
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Indoline 2,3-dihydro-1H-indole
Overcoming the Electronic-Effect Limitations of Nucleophilic Aromatic Substitution in Fluoroarenes: Anion Activation, Concerted Substitution, and HF Capture by t-Bu-P4
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
t-Bu-P4 phosphazene superbase nucleophilic aromatic substitution concerted nucleophilic aromatic substitution fluoroarenes Meisenheimer intermediate weak ion pairing; anion activation C–F bond transformation late-stage functionalization
Sources, Host-Regulatory Mechanisms, and Tumor-Immune Effects of Gut Microbiota-Derived Metabolites
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Short-chain fatty acids gut microbiota tumor immunity Tryptophan metabolism TMAO immunotherapy microbial metabolites bile acids intestinal barrier
Reaction Logic of I₂/DMSO-Mediated Oxidation of Aryl Methyl Ketones: In Situ Generation, Trapping, and Heterocycle Construction of Aryl Glyoxals
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Dimethyl sulfoxide DMSO
From a DENV-2 Screening Hit to Coverage of All Four Serotypes: Pan-Serotype Structure–Activity Relationship Optimization of JNJ-1802
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
Inhibitors DENV-2 JNJ-1802
From 459,000 Recorded Ring Systems to 3,902 Candidate Ring Systems: Selection Patterns of Clinically Relevant Ring Systems
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
drug molecule Environmental system
From Serotonin to Triptans: Recognition of the Indole–Ethylamine Pharmacophore, C5 Substitution, and 5HT₁B/5HT₂B Selectivity
Categories: Technical Articles: Reagent Chemistry, Synthesis & Bioscience Guides
Tags:
serotonin triptans
Citations of This Product
How to Cite Aladdin Scientific Products? Citations Search
Solution Calculators
Reviews

Customer Reviews

We use cookies to ensure the website functions properly and, where permitted, to improve your experience. You can manage your preferences at any time in Settings. Learn more in our Cookie Policy.

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.

Privacy Policy Terms of Use Cookie Policy Terms and Conditions of Sale Sales Policy
Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.
Copyright © 2023–present Aladdin Scientific Corporation. All rights reserved.