3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one

Also known as: 2H-Pyrrol-2-one, 3-acetyl-1,5-dihydro-5-hydroxy-4,5-dimethyl-, 3-acetyl-5-hydroxy-4,5-dimethyl-1,5-dihydro-pyrrol-2-one, 3-acetyl-4,5-dimethyl-5-hydroxy-3-pyrrolin-2-one, MT-21, negative control

3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one (CAS 98593-79-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H11NO3 and a molecular weight of 169.17800 g/mol. Key properties include a melting point of 172-174ºC, a boiling point of 444.2ºC at 760 mmHg, a density of 1.233 g/cm3 and a flash point of 222.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 98593-79-4
Jingsj CID: J-6668-2
Molecular Formula: C₈H₁₁NO₃
Molecular Weight: 169.17800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	172-174ºC
Boiling Point	444.2ºC at 760 mmHg
Density	1.233 g/cm3
Flash Point	222.4ºC
Exact Mass	169.07400
PSA	66.40000
LogP	0.05900
Refractive Index	1.519

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 3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one?

The CAS number of 3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one is 98593-79-4.

What are the molecular formula and molecular weight of 3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one?

3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one has molecular formula C8H11NO3 and molecular weight 169.17800 g/mol.

What are the upstream and downstream products of 3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one?

For 3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one, Upstream Products: Acetoacetamide, 2,3-Butanedione.

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. "3-acetyl-4,5-dimethyl-5-hydroxy-1,5-dihydro-2H-pyrrol-2-one (CAS 98593-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6668-2 (accessed 2026-11-09).

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