3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole
Also known as: 3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine, 3-Chloro-4-(3-pyridyl)-1,2,5-thiadiazole, Xanomeline intermediate 1, 3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole
3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole (CAS 131986-28-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4ClN3S and a molecular weight of 197.645 g/mol. Key properties include a boiling point of 297.2±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 133.5±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 131986-28-2
- Jingsj CID
- J-990682-5
- Molecular Formula
- C7H4ClN3S
- Molecular Weight
- 197.645 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 297.2±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 133.5±23.2 °C |
| Exact Mass | 196.981445 |
| PSA | 66.91000 |
| LogP | 2.50 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.631 |
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 3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole?
The CAS number of 3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole is 131986-28-2.
What are the molecular formula and molecular weight of 3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole?
3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole has molecular formula C7H4ClN3S and molecular weight 197.645 g/mol.
What are the upstream and downstream products of 3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole?
For 3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole, Upstream Products: 2-Amino-2-(pyridin-3-yl)acetonitrile, Diethyl(3-pyridyl)borane, 3,4-Dichloro-1,2,5-thiadiazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole (CAS 131986-28-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-990682-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.