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(1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid

Also known as: 2-(1-Methyl-1H-pyrrol-2-yl)-2-oxoacetic acid, (1-methylpyrrol-2-yl)(oxo)acetic acid, 1-methyl-pyrrole-2-glyoxylic acid, 2-(1-methylpyrrol-2-yl)-2-oxoacetic acid, 2-keto-2-(1-methylpyrrol-2-yl)acetic acid, 1H-pyrrole-2-acetic acid, 1-methyl-alpha-oxo-

(1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid (CAS 21898-43-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3 and a molecular weight of 153.13500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21898-43-1
Jingsj CID
J-1513274-8
Molecular Formula
C7H7NO3
Molecular Weight
153.13500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass153.04300
PSA59.30000
LogP0.29240

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 (1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid?

The CAS number of (1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid is 21898-43-1.

What are the molecular formula and molecular weight of (1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid?

(1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid has molecular formula C7H7NO3 and molecular weight 153.13500 g/mol.

What are the upstream and downstream products of (1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid?

For (1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid, Upstream Products: 1-Methylpyrrole, Oxalyl chloride, 1-(1-Methyl-1H-pyrrol-2-yl)ethanone; Downstream Products: 1-Methylpyrrole, 1-Methyl-1H-pyrrole-2-acetic acid, Methyl 1-methyl-5-(4-methylbenzoyl)-1H-pyrrole-2-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. "(1-Methyl-1H-pyrrol-2-yl)(oxo)acetic acid (CAS 21898-43-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513274-8 (accessed 2026-11-09).

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