4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID

Also known as: 4-(5-Methyl-2-thienyl)-4-oxobutanoic acid, 4-(5-Methylthiophen-2-yl)-4-oxobutanoic acid, 4-(5-Methyl-thiophen-2-yl)-4-oxo-butyric acid, 5-Methyl-γ-oxo-2-thiophenebutanoic acid, 5-Methyl-gamma-oxo-2-thiophenebutanoic acid, 2-Thiophenebutanoic acid, 5-methyl-γ-oxo-, 4-(5-Methylthien-2-yl)-4-oxobutanoic acid

4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID (CAS 22988-52-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10O3S and a molecular weight of 198.23900 g/mol. Key properties include a boiling point of 410.6ºC at 760 mmHg and a flash point of 202.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22988-52-9
Jingsj CID: J-1522348-0
Molecular Formula: C₉H₁₀O₃S
Molecular Weight: 198.23900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	410.6ºC at 760 mmHg
Flash Point	202.1ºC
Exact Mass	198.03500
PSA	82.61000
LogP	2.10400
Vapor Pressure	1.78E-07mmHg at 25°C
Refractive Index	1.565

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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 4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID?

The CAS number of 4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID is 22988-52-9.

What are the molecular formula and molecular weight of 4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID?

4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID has molecular formula C9H10O3S and molecular weight 198.23900 g/mol.

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. "4-(5-METHYL-2-THIENYL)-4-OXOBUTYRIC ACID (CAS 22988-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522348-0 (accessed 2026-11-09).

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