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4-Methylbenzo[b]thiophene

Also known as: 4-Methylbenzothiophene, 4-Methyl-1-benzothiophene, Benzo[b]thiophene, 4-methyl-, 4-METHYLBENZOTHIOPHENE

4-Methylbenzo[b]thiophene (CAS 14315-11-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8S and a molecular weight of 148.22800 g/mol. Key properties include a boiling point of 243ºC at 760mmHg, a density of 1.146g/cm3 and a flash point of 72.4ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
14315-11-8
Jingsj CID
J-1121069-8
Molecular Formula
C9H8S
Molecular Weight
148.22800 g/mol
Category
Pharma Intermediates
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point243ºC at 760mmHg
Density1.146g/cm3
Flash Point72.4ºC
Exact Mass296.069336
PSA56.48000
LogP6.41940
Vapor Pressure0.0514mmHg at 25°C
Refractive Index1.652
Storage Conditions2-8°C

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 4-Methylbenzo[b]thiophene?

The CAS number of 4-Methylbenzo[b]thiophene is 14315-11-8.

What are the molecular formula and molecular weight of 4-Methylbenzo[b]thiophene?

4-Methylbenzo[b]thiophene has molecular formula C9H8S and molecular weight 148.22800 g/mol.

What are the upstream and downstream products of 4-Methylbenzo[b]thiophene?

For 4-Methylbenzo[b]thiophene, Upstream Products: 4-Methylbenzo[b]thiophene-2-carboxylic acid, 2,3-Thiophenedicarboxylic anhydride, Cyclopentadiene; Downstream Products: 3-chloro-4-methylbenzo[b]thiophene, Benzo[b]thiophene-6-carbaldehyde, Benzo[b]thiophene-4-carbaldehyde.

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

Last updated:

How to cite: Jingsj. "4-Methylbenzo[b]thiophene (CAS 14315-11-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1121069-8 (accessed 2026-11-09).

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