3,6-dichlorobenzo[b]thiophene-2-carboxylic acid

Also known as: BT2, 3,6-dichlorobenzothiophene-2-carboxylic acid, 3,6-dichloro-2-benzothiophenecarboxylic acid, 3,6-dichloro-1-benzothiophene-2-carboxylic acid, Benzo[b]thiophene-2-carboxylic acid, 3,6-dichloro-

3,6-dichlorobenzo[b]thiophene-2-carboxylic acid (CAS 34576-94-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H4Cl2O2S and a molecular weight of 247.098 g/mol. Key properties include a boiling point of 426.4±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 211.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 34576-94-8
Jingsj CID: J-1968913-7
Molecular Formula: C₉H₄Cl₂O₂S
Molecular Weight: 247.098 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	426.4±40.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	211.7±27.3 °C
Exact Mass	245.930908
PSA	65.54000
LogP	4.65
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.723
Storage Conditions	2-8℃

Activity & Biological Data

Target	BDK:3.19 μM (IC50) Mcl-1:59 μM (Ki)
Additional Information	[1]. Tso SC, et al. Benzothiophene carboxylate derivatives as novel allosteric inhibitors of branched-chain α-ketoacid dehydrogenase kinase. J Biol Chem. 2014 Jul 25;289(30):20583-93. [2]. Friberg A, et al. Discovery of potent myeloid cell leukemia 1 (Mcl-1) inhibitors using fragment-based methods and structure-based design. J Med Chem. 2013 Jan 10;56(1):15-30.

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 3,6-dichlorobenzo[b]thiophene-2-carboxylic acid?

The CAS number of 3,6-dichlorobenzo[b]thiophene-2-carboxylic acid is 34576-94-8.

What are the molecular formula and molecular weight of 3,6-dichlorobenzo[b]thiophene-2-carboxylic acid?

3,6-dichlorobenzo[b]thiophene-2-carboxylic acid has molecular formula C9H4Cl2O2S and molecular weight 247.098 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. "3,6-dichlorobenzo[b]thiophene-2-carboxylic acid (CAS 34576-94-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1968913-7 (accessed 2026-11-07).

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