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6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid

6-甲基-4,5,6,7-四氢-1-苯并噻吩-3-羧酸

Also known as: 6-METHYL-4,5,6,7-TETRAHYDRO-BENZO[B]THIOPHENE-3-CARBOXYLIC ACID, 6-Methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid, 6-methyl-4,5,6,7-tetrahydro-1-benzo[b]thiophene-3-carboxylic acid, 6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid, Benzo[b]thiophene-3-carboxylic acid, 4,5,6,7-tetrahydro-6-methyl-, ASINEX-REAG BAS 07778279, CHEMBRDG-BB 3007515

6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (CAS 438213-69-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H12O2S and a molecular weight of 196.26600 g/mol. It is also known as 6-METHYL-4,5,6,7-TETRAHYDRO-BENZO[B]THIOPHENE-3-CARBOXYLIC ACID, 6-Methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carboxylic acid and 6-methyl-4,5,6,7-tetrahydro-1-benzo[b]thiophene-3-carboxylic acid. Key properties include a boiling point of 349.5ºC at 760 mmHg, a density of 1.24g/cm3 and a flash point of 165.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
438213-69-5
Jingsj CID
J-1163256-4
Molecular Formula
C10H12O2S
Chinese Name
6-甲基-4,5,6,7-四氢-1-苯并噻吩-3-羧酸
Molecular Weight
196.26600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point349.5ºC at 760 mmHg
Density1.24g/cm3
Flash Point165.2ºC
Exact Mass196.05600
PSA65.54000
LogP2.57110
Refractive Index1.585

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid?

The CAS number of 6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid is 438213-69-5.

What are the molecular formula and molecular weight of 6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid?

6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid has molecular formula C10H12O2S and molecular weight 196.26600 g/mol.

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

Last updated:

How to cite: Jingsj. "6-Methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid (CAS 438213-69-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1163256-4 (accessed 2026-10-28).

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