4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole

Also known as: 4,7-di-2-thienyl-2,1,3-benzothiadiazole, 4,7-bis(thiophen-2-yl)benzo[c][1,2,5]thiadiazole, 4,7-di(2-thienyl)-2,1,3-benzothiadiazole, 4,7-dithiophen-2-yl-2,1,3-benzothiadiazole, 4,7-bis(thien-2-yl)-2,1,3-benzothiadiazole, 2,1,3-benzothiadiazole, 4,7-di-2-thienyl-, NSC 701994

4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (CAS 165190-76-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H8N2S3 and a molecular weight of 300.422 g/mol. Key properties include a melting point of 124 °C, a boiling point of 482.1±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 235.4±16.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 165190-76-1
Jingsj CID: J-1496287-9
Molecular Formula: C₁₄H₈N₂S₃
Molecular Weight: 300.422 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	124 °C
Boiling Point	482.1±35.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	235.4±16.3 °C
Exact Mass	299.984955
PSA	110.50000
LogP	5.00
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.744

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 4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole?

The CAS number of 4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole is 165190-76-1.

What are the molecular formula and molecular weight of 4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole?

4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole has molecular formula C14H8N2S3 and molecular weight 300.422 g/mol.

What are the upstream and downstream products of 4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole?

For 4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole, Upstream Products: 2-Thiopheneboronic acid, 4,7-Dibromo-2,1,3-benzothiadiazole, 2-(Tributylstannyl)thiophene; Downstream Products: 4,7-Bis(2-bromo-5-thienyl)-2,1,3-benzothiadiazole.

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. "4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (CAS 165190-76-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496287-9 (accessed 2026-11-09).

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