5-Methoxyindole-3-acetic Acid - ≥98% , CAS No.3471-31-6

CAS: 3471-31-6 Cat. No.: M122974 Molecular Weight: 205.21 Beilstein Registry Number: 187161 EC Number: 222-438-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
M-3474 | 5-Methoxyindoleacetate | SCHEMBL674415 | UNII-MSN7CK6ETH | M1303 | MFCD00005638 | 5-Methoxyindole-3-acetic acid | 5-Methoxyindole-3-aceticacid | BBL100075 | FT-0620571 | 1H-Indole-3-aceticacid,5-methoxy-,radicalion(1+)(9CI) | 5-Methoxy-3-indoleac
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M122974-250mg
2
$9.90
1g
M122974-1g
3
$17.90
5g
M122974-5g
3
$69.90
25g
M122974-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$309.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
M-3474 | 5-Methoxyindoleacetate | SCHEMBL674415 | UNII-MSN7CK6ETH | M1303 | MFCD00005638 | 5-Methoxyindole-3-acetic acid | 5-Methoxyindole-3-aceticacid | BBL100075 | FT-0620571 | 1H-Indole-3-aceticacid, 5-methoxy-, radicalion(1+)(9CI) | 5-Methoxy-3-indoleac
Specifications & Purity
≥98%
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504752919
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752919
Canonical SmilesCOC1=CC2=C(C=C1)NC=C2CC(=O)O
IUPAC Name2-(5-methoxy-1H-indol-3-yl)acetic acid
InChIKeyCOCNDHOPIHDTHK-UHFFFAOYSA-N
INCHI1S/C11H11NO3/c1-15-8-2-3-10-9(5-8)7(6-12-10)4-11(13)14/h2-3,5-6,12H,4H2,1H3,(H,13,14)
Isomeric SMILES COC1=CC2=C(C=C1)NC=C2CC(=O)O
WGK Germany 3
RTECS NL3660500
Molecular Weight 205.21
Beilstein 187161
Reaxy-Rn 187161
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=187161&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
SubclassIndolyl carboxylic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentIndole-3-acetic acid derivatives
Alternative Parents 3-alkylindoles  Anisoles  Alkyl aryl ethers  Substituted pyrroles  Heteroaromatic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Indole-3-acetic acid derivative - 3-alkylindole - Indole - Anisole - Alkyl aryl ether - Substituted pyrrole - Benzenoid - Pyrrole - Heteroaromatic compound - Carboxylic acid derivative - Carboxylic acid - Ether - Monocarboxylic acid or derivatives - Azacycle - Organic oxide - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic nitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as indole-3-acetic acid derivatives. These are compounds containing an acetic acid (or a derivative) linked to the C3 carbon atom of an indole.
External Descriptors a small molecule
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ALB Tchem Serum albumin (2651 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
V79 (1637 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.

7 results found

Lot NumberCertificate TypeDateItem
C2631009Certificate of AnalysisApr 06, 2026 M122974
C2209144Certificate of AnalysisDec 10, 2025 M122974
C2209145Certificate of AnalysisDec 10, 2025 M122974
D2424296Certificate of AnalysisMar 21, 2024 M122974
K1827090Certificate of AnalysisSep 19, 2022 M122974
K1827089Certificate of AnalysisSep 19, 2022 M122974
E2529209Certificate of AnalysisMar 18, 2022 M122974
Chemical and Physical Properties
SensitivityLight Sensitive
Melt Point(°C)145-148°C
Molecular Weight205.210 g/mol
XLogP31.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass205.074 Da
Monoisotopic Mass205.074 Da
Topological Polar Surface Area62.300 Ų
Heavy Atom Count15
Formal Charge0
Complexity244.000
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
Solution Calculators
Reviews

Customer Reviews

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.