Thiazolo[4,5-c]pyridine

Also known as: Thiazolo[5,4-c]pyridine, Pyrido[3,4-d]thiazole, [1,3]Thiazolo[4,5-c]pyridine, [1,3]Thiazolo[5,4-c]pyridine

Thiazolo[4,5-c]pyridine (CAS 273-75-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N2S and a molecular weight of 136.174 g/mol. Key properties include a boiling point of 264.3±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 119.3±10.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 273-75-6
Jingsj CID: J-1421885-0
Molecular Formula: C₆H₄N₂S
Molecular Weight: 136.174 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	264.3±13.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	119.3±10.2 °C
Exact Mass	136.009521
PSA	54.02000
LogP	1.41
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.705

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 Thiazolo[4,5-c]pyridine?

The CAS number of Thiazolo[4,5-c]pyridine is 273-75-6.

What are the molecular formula and molecular weight of Thiazolo[4,5-c]pyridine?

Thiazolo[4,5-c]pyridine has molecular formula C6H4N2S and molecular weight 136.174 g/mol.

What are the upstream and downstream products of Thiazolo[4,5-c]pyridine?

For Thiazolo[4,5-c]pyridine, Upstream Products: tert-butyl (4-mercaptopyridin-3-yl)carbamate, Formic Acid, tert-Butyl pyridin-3-ylcarbamate.

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. "Thiazolo[4,5-c]pyridine (CAS 273-75-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421885-0 (accessed 2026-11-09).

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