ChemicalBook >> CAS DataBase List >>5-Methoxyindole-3-acetic acid

5-Methoxyindole-3-acetic acid

CAS No.
3471-31-6
Chemical Name:
5-Methoxyindole-3-acetic acid
Synonyms
5-MeO-IAA;5-methoxyindoleaceticacid;2-(5-Methoxy-3-indolyl)acetic acid;5-Methoxy-IAA;TIMTEC-BB SBB003497;RARECHEM AL BO 1466;5-Mehtoxyindoleacetic acid;5-Methoxy-3-indolaceticacid;5-methoxy-indole-3-aceticaci;5-Methoxyindol-3-ylessigsure
CBNumber:
CB8243986
Molecular Formula:
C11H11NO3
Molecular Weight:
205.21
MDL Number:
MFCD00005638
MOL File:
3471-31-6.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 03:26:05

5-Methoxyindole-3-acetic acid Properties

Melting point 145-148 °C (dec.)(lit.)
Boiling point 343.88°C (rough estimate)
Density 1.2235 (rough estimate)
refractive index 1.5130 (estimate)
storage temp. Keep in dark place,Sealed in dry,Store in freezer, under -20°C
solubility DMSO (Slightly), Methanol (Slightly)
pka 4.52±0.30(Predicted)
form crystalline
color light yellow to tan
Water Solubility insoluble
BRN 187161
InChI InChI=1S/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)
InChIKey COCNDHOPIHDTHK-UHFFFAOYSA-N
SMILES N1C2=C(C=C(OC)C=C2)C(CC(O)=O)=C1
CAS DataBase Reference 3471-31-6(CAS DataBase Reference)
FDA UNII MSN7CK6ETH
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332
Precautionary statements  P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P501
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  24/25
WGK Germany  3
RTECS  NL3660500
HS Code  29339900
Storage Class 11 - Combustible Solids
NFPA 704
0
0 0

5-Methoxyindole-3-acetic acid price More Price(67)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich M14935 5-Methoxy-3-indoleacetic acid 98% 3471-31-6 1g $167 2026-04-30 Buy
TCI Chemical M1303 5-Methoxyindole-3-acetic Acid >98.0%(HPLC)(T) 3471-31-6 1g $340 2026-04-30 Buy
TCI Chemical M1303 5-Methoxyindole-3-acetic Acid >98.0%(HPLC)(T) 3471-31-6 5g $866 2025-07-31 Buy
Cayman Chemical 14019 5-Methoxyindole-3-acetic Acid ≥95% 3471-31-6 250mg $44 2026-04-30 Buy
Cayman Chemical 14019 5-Methoxyindole-3-acetic Acid ≥95% 3471-31-6 500mg $80 2026-04-30 Buy
Product number Packaging Price Buy
M14935 1g $167 Buy
M1303 1g $340 Buy
M1303 5g $866 Buy
14019 250mg $44 Buy
14019 500mg $80 Buy

5-Methoxyindole-3-acetic acid Chemical Properties, Uses, Production

Chemical Properties

OFF-WHITE TO SLIGHTLY BEIGE CRYSTALLINE POWDER

Uses

Reactant for preparation of aryloxybenzothiazoles as inhibitors of NO production 1 Reactant for preparation of transcription inhibitors of novel Gli1 as antitumor agents Reactant for preparation of indole derivatives as NR2B/NMDA receptor antagonists 2 Reactant for preparation of indolyl esters and amides related to indomethacin as selective COX-2 inhibitors 3 Reactant for preparation of quinoline salicylic acid series of P-selectin antagonists 4 Reactant for preparation of prostaglandin D2 receptor antagonists.

Uses

5-Methoxyindole-3-acetic Acid is a chemical reagent used in the analysis of the physiological properties of auxins.

Uses

  • Reactant for preparation of aryloxybenzothiazoles as inhibitors of NO production
  • Reactant for preparation of transcription inhibitors of novel Gli1 as antitumor agents
  • Reactant for preparation of indole derivatives as NR2B/NMDA receptor antagonists
  • Reactant for preparation of indolyl esters and amides related to indomethacin as selective COX-2 inhibitors
  • Reactant for preparation of quinoline salicylic acid series of P-selectin antagonists
  • Reactant for preparation of prostaglandin D2 receptor antagonists

Definition

ChEBI: 5-methoxyindole-3-acetic acid is a member of the class of indole-3-acetic acids in which the hydrogen at position 5 of indole-3-acetic acid has been replaced by a methoxy group. It has a role as a Brassica napus metabolite, a human urinary metabolite, an antibacterial agent, a marine xenobiotic metabolite, a carcinogenic agent and a rat metabolite. It is a member of indole-3-acetic acids and an aromatic ether.

IC 50

Human Endogenous Metabolite

5-Methoxyindole-3-acetic acid Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 206)
Supplier Tel Email Country ProdList Advantage
Zhanhua Huibang Chemical Co., Ltd. 13906149256 793211102@qq.com China 152 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Carbott PharmTech Inc. 0535-6385396 info@carbottpharm.com China 996 56
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60

View Latest Price from 5-Methoxyindole-3-acetic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5-Methoxyindole-3-acetic acid pictures 2026-05-11 5-Methoxyindole-3-acetic acid
3471-31-6
$42.00 98.55% 10g TargetMol Chemicals Inc.
5-Methoxyindole-3-acetic acid pictures 2026-05-11 5-Methoxyindole-3-acetic acid
3471-31-6
$42.00 98.55% 10g TargetMol Chemicals Inc.
5-Methoxyindole-3-acetic acid pictures 2024-08-02 5-Methoxyindole-3-acetic acid
3471-31-6
$1.00 1KG 99% 20T Shaanxi Dideu Medichem Co. Ltd
5-Methoxy-3-indoleacetic acid 98% 5-methoxy-indole-3-aceticaci RARECHEM AL BO 1466 TIMTEC-BB SBB003497 5-METHOXYINDOLE-3-ACETIC ACID 5-METHOXY-3-INDOLEACETIC ACID 5-methoxyindol-3-ylacetic acid 5-Methoxy-3-indolaceticacid 5-Methoxyindole-3-aceticacid,98+% 5-Methoxy-1H-indole-3-acetic acid 5-Methoxy-3-indolylacetic acid 5-Methoxy-IAA 5-Mehtoxyindoleacetic acid 1H-Indole-3-acetic acid, 5-Methoxy- 5-METHOXYINDOLE-3-ACETIC ACID(5MeOIAA) 5-Methoxyindole-3-acetic acid,99% 5-METHOXYINDOLE-3-ACETIC ACID ABOUT 99% 5-Methoxyindol-3-ylessigsure 5-Methoxyindole-3-aceticAcid> 2-(5-methoxy-1H-indol-3-yl)aceticaci 5-Methoxyindole-3-Acetic Acid CAS NO.3471-31-6 5-Methoxyindole-3-acetic acid?New 5-Methoxyindole-3-acetic Acid, ≥ 98.0% 5-Methoxyindole-3-acetic acid, 10 mM in DMSO 2-(5-Methoxy-3-indolyl)acetic acid 5-methoxyindoleaceticacid 5-MeO-IAA 3471-31-6 Building Blocks Heterocyclic Building Blocks Indoles Simple Indoles Indoline & Oxindole Indoles and derivatives Heterocyclic Compounds Indoles Simple Indoles Building Blocks Heterocyclic Building Blocks