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2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid

Also known as: 4-methoxycarbonyl-5-methyl-2-oxo-4-pyrrolin-3-essigsaeure, HMS547O03, 2-(4-methoxycarbonyl-5-methyl-2-oxo-1,3-dihydropyrrol-3-yl)acetic acid, 1H-Pyrrole-3-acetic acid, 2,3-dihydro-4-(methoxycarbonyl)-5-methyl-2-oxo-

2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid (CAS 77978-73-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11NO5 and a molecular weight of 213.18700 g/mol. Key properties include a melting point of 160ºC, a boiling point of 482.2ºC at 760 mmHg, a density of 1.329g/cm3 and a flash point of 245.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77978-73-5
Jingsj CID
J-1032622-4
Molecular Formula
C9H11NO5
Molecular Weight
213.18700 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point160ºC
Boiling Point482.2ºC at 760 mmHg
Density1.329g/cm3
Flash Point245.4ºC
Exact Mass213.06400
PSA92.70000
Refractive Index1.511

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 2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid?

The CAS number of 2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid is 77978-73-5.

What are the molecular formula and molecular weight of 2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid?

2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid has molecular formula C9H11NO5 and molecular weight 213.18700 g/mol.

What are the upstream and downstream products of 2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid?

For 2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid, Upstream Products: Maleic anhydride, Methyl (Z)-3-aminocrotonate; Downstream Products: Methyl 4-(2-methoxy-2-oxoethyl)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate, METHYL 5-(ACETYLOXY)-4-(2-METHOXY-2-OXOETHYL)-2-METHYL-1H-PYRROLE-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. "2-(4-(methoxycarbonyl)-5-methyl-2-oxo-2,3-dihydro-1H-pyrrol-3-yl)acetic acid (CAS 77978-73-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1032622-4 (accessed 2026-11-09).

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