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5-(Hydroxymethyl)isoxazole-3-carboxylic acid

Also known as: 5-(HYDROXYMETHYL)ISOXAZOLE-3-CARBOXYLIC ACID, 5-(Hydroxymethyl)-1,2-oxazole-3-carboxylic acid, 3-Isoxazolecarboxylic acid, 5-(hydroxymethyl)-, 3-Isoxazolecarboxylic acid, 5-(hydroxymethyl)- (9CI), 5-hydroxymethyl isoxazole 3-carboxylic acid, 5-hydroxymethyl-3-isoxazolecarboxylic acid, AKOS PAO-1510

5-(Hydroxymethyl)isoxazole-3-carboxylic acid (CAS 139297-56-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5NO4 and a molecular weight of 143.09700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139297-56-6
Jingsj CID
J-1306944-8
Molecular Formula
C5H5NO4
Molecular Weight
143.09700 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass143.02200
PSA83.56000

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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 5-(Hydroxymethyl)isoxazole-3-carboxylic acid?

The CAS number of 5-(Hydroxymethyl)isoxazole-3-carboxylic acid is 139297-56-6.

What are the molecular formula and molecular weight of 5-(Hydroxymethyl)isoxazole-3-carboxylic acid?

5-(Hydroxymethyl)isoxazole-3-carboxylic acid has molecular formula C5H5NO4 and molecular weight 143.09700 g/mol.

What are the upstream and downstream products of 5-(Hydroxymethyl)isoxazole-3-carboxylic acid?

For 5-(Hydroxymethyl)isoxazole-3-carboxylic acid, Upstream Products: Ethyl 5-(hydroxymethyl)isoxazole-3-carboxylate.

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

Last updated:

How to cite: Jingsj. "5-(Hydroxymethyl)isoxazole-3-carboxylic acid (CAS 139297-56-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306944-8 (accessed 2026-11-09).

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