1,3-Diphenylbenzo[c]thiophene

Also known as: Benzo[c]thiophene, 1,3-diphenyl-, 1,3-Diphenylisobenzothiophene, 1,3-Diphenylisothianaphthene, 1,3-Diphenylisothiobenzofuran, NSC 135959

1,3-Diphenylbenzo[c]thiophene (CAS 16587-39-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H14S and a molecular weight of 288.406 g/mol. Key properties include a melting point of 114-119ºC, a boiling point of 477.7±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 241.1±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 16587-39-6
Jingsj CID: J-1338728-5
Molecular Formula: C₂₀H₁₄S
Molecular Weight: 288.406 g/mol
Category: Pharma Intermediates
Last updated: 11/2/2026

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Physicochemical Properties

Melting Point	114-119ºC
Boiling Point	477.7±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	241.1±25.4 °C
Exact Mass	288.097260
PSA	25.30000
LogP	5.97
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.695

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 1,3-Diphenylbenzo[c]thiophene?

The CAS number of 1,3-Diphenylbenzo[c]thiophene is 16587-39-6.

What are the molecular formula and molecular weight of 1,3-Diphenylbenzo[c]thiophene?

1,3-Diphenylbenzo[c]thiophene has molecular formula C20H14S and molecular weight 288.406 g/mol.

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

Last updated: 11/2/2026

How to cite: Jingsj. "1,3-Diphenylbenzo[c]thiophene (CAS 16587-39-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1338728-5 (accessed 2026-11-09).

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