5-Chloro-3-methyl-1,2,4-thiadiazole
5-氯-3-甲基-1,2,4-噻二唑
Also known as: 3-methyl-5-chloro-1,2,4-thiadiazole, 5-Chlor-3-methyl-[1,2,4]thiadiazol, 1,2,4-Thiadiazole, 5-chloro-3-methyl-, 5-chloro-3-methyl-1,2,4-thiadiazole
5-Chloro-3-methyl-1,2,4-thiadiazole (CAS 21734-85-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H3ClN2S and a molecular weight of 134.587 g/mol. It is also known as 3-methyl-5-chloro-1,2,4-thiadiazole, 5-Chlor-3-methyl-[1,2,4]thiadiazol and 1,2,4-Thiadiazole, 5-chloro-3-methyl-. Key properties include a boiling point of 221.5±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 87.7±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21734-85-0
- Jingsj CID
- J-1100136-2
- Molecular Formula
- C3H3ClN2S
- Chinese Name
- 5-氯-3-甲基-1,2,4-噻二唑
- Molecular Weight
- 134.587 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 221.5±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 87.7±22.6 °C |
Frequently Asked Questions
What is the CAS number of 5-Chloro-3-methyl-1,2,4-thiadiazole?
The CAS number of 5-Chloro-3-methyl-1,2,4-thiadiazole is 21734-85-0.
What are the molecular formula and molecular weight of 5-Chloro-3-methyl-1,2,4-thiadiazole?
5-Chloro-3-methyl-1,2,4-thiadiazole has molecular formula C3H3ClN2S and molecular weight 134.587 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-3-methyl-1,2,4-thiadiazole (CAS 21734-85-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1100136-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.