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2-(1H-pyrazol-3-yl)acetic acid

Also known as: 2-(1H-pyrazol-5-yl)acetic acid, 1H-Pyrazole-3-acetic acid, 1H-Pyrazole-5-acetic acid, 3-Pyrazolylacetic acid, pyrazol-3-ylacetic acid, pyrazolyl-3-acetic acid, (1H-Pyrazol-3-yl)-acetic acid, 1H-Pyrazol-5-ylacetic acid

2-(1H-pyrazol-3-yl)acetic acid (CAS 102732-63-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.113 g/mol. Key properties include a boiling point of 387.3±17.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 188.0±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
102732-63-8
Jingsj CID
J-1356910-3
Molecular Formula
C5H6N2O2
Molecular Weight
126.113 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point387.3±17.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point188.0±20.9 °C
Exact Mass126.042931
PSA65.98000
LogP-0.40
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.591

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 2-(1H-pyrazol-3-yl)acetic acid?

The CAS number of 2-(1H-pyrazol-3-yl)acetic acid is 102732-63-8.

What are the molecular formula and molecular weight of 2-(1H-pyrazol-3-yl)acetic acid?

2-(1H-pyrazol-3-yl)acetic acid has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.

What are the upstream and downstream products of 2-(1H-pyrazol-3-yl)acetic acid?

For 2-(1H-pyrazol-3-yl)acetic acid, Upstream Products: 2-(1H-pyrazol-3-yl)acetonitrile, Methyl 3-hydroxythiophene-2-carboxylate; Downstream Products: Ethyl 2-(1H-pyrazol-3-yl)acetate.

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

Last updated:

How to cite: Jingsj. "2-(1H-pyrazol-3-yl)acetic acid (CAS 102732-63-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356910-3 (accessed 2026-11-09).

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