1H-Indole-3-propanoic acid, 2-carboxy-

Also known as: 3-(2-Carboxyethyl)-1H-indole-2-carboxylic acid, 3-(2-carboxyindol-3-yl)propionic acid, Indole-3-propionic acid, 2-carboxy-, CIPA, 2-carboxy-3-indolepropanoic acid

1H-Indole-3-propanoic acid, 2-carboxy- (CAS 31529-28-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO4 and a molecular weight of 233.22000 g/mol. Key properties include a boiling point of 533.1ºC at 760mmHg, a density of 1.472g/cm3 and a flash point of 276.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31529-28-9
Jingsj CID: J-1495289-8
Molecular Formula: C₁₂H₁₁NO₄
Molecular Weight: 233.22000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	533.1ºC at 760mmHg
Density	1.472g/cm3
Flash Point	276.2ºC
Exact Mass	233.06900
PSA	90.39000
LogP	1.88330
Refractive Index	1.7

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1H-Indole-3-propanoic acid, 2-carboxy-?

The CAS number of 1H-Indole-3-propanoic acid, 2-carboxy- is 31529-28-9.

What are the molecular formula and molecular weight of 1H-Indole-3-propanoic acid, 2-carboxy-?

1H-Indole-3-propanoic acid, 2-carboxy- has molecular formula C12H11NO4 and molecular weight 233.22000 g/mol.

What are the upstream and downstream products of 1H-Indole-3-propanoic acid, 2-carboxy-?

For 1H-Indole-3-propanoic acid, 2-carboxy-, Upstream Products: Ethyl 2-oxocyclopentanecarboxylate, Ethyl indole-2-carboxylate; Downstream Products: 3-Indolepropionic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1H-Indole-3-propanoic acid, 2-carboxy- (CAS 31529-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495289-8 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.