1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride

Also known as: 1-chlorobenzo[e]benzothiophene-2-carbonyl chloride, 1-chloronaphtho[2,1-b]thiophene-2-carboxylic acid chloride, naphtho[2,1-b]thiophene-2-carbonyl chloride, 1-chloro-

1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride (CAS 85992-25-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H6Cl2OS and a molecular weight of 281.15700 g/mol. Key properties include a boiling point of 441.999ºC at 760 mmHg, a density of 1.516g/cm3 and a flash point of 221.113ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 85992-25-2
Jingsj CID: J-1513293-1
Molecular Formula: C₁₃H₆Cl₂OS
Molecular Weight: 281.15700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	441.999ºC at 760 mmHg
Density	1.516g/cm3
Flash Point	221.113ºC
Exact Mass	279.95200
PSA	45.31000
LogP	5.08690
Refractive Index	1.749

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-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride?

The CAS number of 1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride is 85992-25-2.

What are the molecular formula and molecular weight of 1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride?

1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride has molecular formula C13H6Cl2OS and molecular weight 281.15700 g/mol.

What are the upstream and downstream products of 1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride?

For 1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride, Upstream Products: 3-(1-Naphthyl)acrylic acid; Downstream Products: 1-chloronaphtho[2,1-b]thiophene-2-carboxylic acid.

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. "1-chloronaphtho[2,1-b]thiophene-2-carbonyl chloride (CAS 85992-25-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513293-1 (accessed 2026-11-09).

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