1,2,3-Thiadiazole-4-carboxylic acid
1,2,3-噻二唑-4-羧酸
Also known as: 1,2,3-thiadiazole-4-carboxylic acid, thiadiazole-4-carboxylic acid, 4-carboxy-1,2,3-thiadiazole
1,2,3-Thiadiazole-4-carboxylic acid (CAS 4100-13-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H2N2O2S and a molecular weight of 130.12500 g/mol. It is also known as 1,2,3-thiadiazole-4-carboxylic acid, thiadiazole-4-carboxylic acid and 4-carboxy-1,2,3-thiadiazole. Key properties include a melting point of 224 °C, a boiling point of 322.3ºC at 760 mmHg, a density of 1.67 g/cm3 and a flash point of 148.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4100-13-4
- Jingsj CID
- J-50095-9
- Molecular Formula
- C3H2N2O2S
- Chinese Name
- 1,2,3-噻二唑-4-羧酸
- Molecular Weight
- 130.12500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 224 °C |
|---|---|
| Boiling Point | 322.3ºC at 760 mmHg |
| Density | 1.67 g/cm3 |
| Flash Point | 148.7ºC |
Frequently Asked Questions
What is the CAS number of 1,2,3-Thiadiazole-4-carboxylic acid?
The CAS number of 1,2,3-Thiadiazole-4-carboxylic acid is 4100-13-4.
What are the molecular formula and molecular weight of 1,2,3-Thiadiazole-4-carboxylic acid?
1,2,3-Thiadiazole-4-carboxylic acid has molecular formula C3H2N2O2S and molecular weight 130.12500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,3-Thiadiazole-4-carboxylic acid (CAS 4100-13-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50095-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.