4-chloro-1-(thiophen-2-yl)butan-1-one

4-氯-2'-丁酰噻吩酮

Also known as: gamma-chloro-2-butyrothienone, 4-chloro-2'-butyrothienone, 4-chloro-1-(2-thienyl)-1-butanone, 3-chloropropyl 2-thienyl ketone, 4-chlorobutyrothiophene, 4-chloro-1-thiophen-2-ylbutan-1-one, 4-Chloro-1-(2-thienyl)butanone

4-chloro-1-(thiophen-2-yl)butan-1-one (CAS 43076-59-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9ClOS and a molecular weight of 188.67400 g/mol. It is also known as gamma-chloro-2-butyrothienone, 4-chloro-2'-butyrothienone and 4-chloro-1-(2-thienyl)-1-butanone. Key properties include a boiling point of 313.6ºC at 760 mmHg, a density of 1.16 and a flash point of 110ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
43076-59-1
Jingsj CID
J-38538-7
Molecular Formula
C8H9ClOS
Chinese Name
4-氯-2'-丁酰噻吩酮
Molecular Weight
188.67400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point313.6ºC at 760 mmHg
Density1.16
Flash Point110ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-chloro-1-(thiophen-2-yl)butan-1-one?

The CAS number of 4-chloro-1-(thiophen-2-yl)butan-1-one is 43076-59-1.

What are the molecular formula and molecular weight of 4-chloro-1-(thiophen-2-yl)butan-1-one?

4-chloro-1-(thiophen-2-yl)butan-1-one has molecular formula C8H9ClOS and molecular weight 188.67400 g/mol.

Is 4-chloro-1-(thiophen-2-yl)butan-1-one hazardous?

4-chloro-1-(thiophen-2-yl)butan-1-one has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-chloro-1-(thiophen-2-yl)butan-1-one (CAS 43076-59-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38538-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.