3-Methoxy-1,2,4-thiadiazol-5-amine

5-氨基-3-甲氧基-1,2,4-噻二唑

Also known as: 5-Amino-3-methoxy-1,2,4-thiadiazole, 1,2,4-Thiadiazol-5-amine, 3-methoxy-, 3-Methoxy-1,2,4-thiadiazol-5-amine, 3-Methoxy-[1,2,4]thiadiazol-5-ylamine, 5-Amino-3-methoxy-1,2,4-thiadiazoL, TIMTEC-BB SBB005490

3-Methoxy-1,2,4-thiadiazol-5-amine (CAS 98022-43-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H5N3OS and a molecular weight of 131.156 g/mol. It is also known as 5-Amino-3-methoxy-1,2,4-thiadiazole, 1,2,4-Thiadiazol-5-amine, 3-methoxy- and 3-Methoxy-[1,2,4]thiadiazol-5-ylamine. Key properties include a melting point of 172ºC, a boiling point of 254.0±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 107.4±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 98022-43-6
Jingsj CID: J-1473620-3
Molecular Formula: C₃H₅N₃OS
Chinese Name: 5-氨基-3-甲氧基-1,2,4-噻二唑
Molecular Weight: 131.156 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	172ºC
Boiling Point	254.0±23.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	107.4±22.6 °C

Frequently Asked Questions

What is the CAS number of 3-Methoxy-1,2,4-thiadiazol-5-amine?

The CAS number of 3-Methoxy-1,2,4-thiadiazol-5-amine is 98022-43-6.

What are the molecular formula and molecular weight of 3-Methoxy-1,2,4-thiadiazol-5-amine?

3-Methoxy-1,2,4-thiadiazol-5-amine has molecular formula C3H5N3OS and molecular weight 131.156 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Methoxy-1,2,4-thiadiazol-5-amine (CAS 98022-43-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1473620-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.