5-Methoxyindole-3-acetic acid

Name: 5-Methoxyindole-3-acetic acid
Brand: Vaqora Chemicals
SKU: VQ-040834

About 5-Methoxyindole-3-acetic acid

Vaqora Chemicals supplies 5-Methoxyindole-3-acetic acid, an API reference standard registered under CAS number 3471-31-6. With the molecular formula C11H11NO3, it has a molar mass of 205.21 g/mol. Its systematic (IUPAC) name is 2-(5-methoxy-1H-indol-3-yl)acetic acid. Alternative names: 5-Methoxy-3-indoleacetic acid and 5-Methoxyindoleacetic acid.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of the parent drug substance, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	5-Methoxyindole-3-acetic acid
Catalogue No.	VQ-040834
CAS Number	3471-31-6
IUPAC name	2-(5-methoxy-1H-indol-3-yl)acetic acid
Molecular formula	C₁₁H₁₁NO₃
Molecular weight	205.21 g/mol
Exact mass	205.0739
Grade	Reference Standard
HSN code	38229090
InChIKey	COCNDHOPIHDTHK-UHFFFAOYSA-N
SMILES	COC1=CC2=C(C=C1)NC=C2CC(=O)O
PubChem CID	18986

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	2 / 3
TPSA	62.3 Å²
Synonyms	5-Methoxy-3-indoleacetic acid, 5-Methoxyindoleacetic acid, Methoxyindoleacetic acid, 5-Methoxyindoleacetate, 5-Methoxyindol-3-ylacetic acid, 1H-Indole-3-acetic acid, 5-methoxy-, (5-Methoxy-1H-indol-3-yl)acetic acid, 1H-Indole-3-aceticacid,5-methoxy-,radicalion(1+)(9CI), (5-Methoxy-1H-indol-3-yl)-acetic acid, 2-(5-methoxyindol-3-yl)acetic acid, 2-(5-Methoxy-3-indolyl)acetic Acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Methoxyindole-3-acetic acid?

The CAS Registry Number of 5-Methoxyindole-3-acetic acid is 3471-31-6. It is also known as 5-Methoxy-3-indoleacetic acid, 5-Methoxyindoleacetic acid, Methoxyindoleacetic acid.

What is the molecular formula and molecular weight of 5-Methoxyindole-3-acetic acid?

5-Methoxyindole-3-acetic acid has the molecular formula C11H11NO3 and a molecular weight of 205.21 g/mol. Its IUPAC name is 2-(5-methoxy-1H-indol-3-yl)acetic acid.

Which grade and pack sizes of 5-Methoxyindole-3-acetic acid can I order?

We supply 5-Methoxyindole-3-acetic acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Methoxyindole-3-acetic acid?

Yes. Every lot of 5-Methoxyindole-3-acetic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Methoxyindole-3-acetic acid be shipped internationally?

Yes. 5-Methoxyindole-3-acetic acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.