3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole
3-氯-4-(吡啶-3-基)-1,2,5-噻二唑
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. It is also known as 3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine, 3-Chloro-4-(3-pyridyl)-1,2,5-thiadiazole and Xanomeline intermediate 1. 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-990682-4
- Molecular Formula
- C7H4ClN3S
- Chinese Name
- 3-氯-4-(吡啶-3-基)-1,2,5-噻二唑
- 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 |
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.
Data compiled from public chemical databases 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-990682-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.