5-Methyl-2-thiophenecarboxylic acid hydrazide

5-甲基-2-噻吩羧酸肼

Also known as: 5-methylthiophene-2-carbohydrazide, 5-methyl-2-thiophenecarbohydrazide, 5-methyl-thiophene-2-carboxylic acid hydrazide, 2-Thiophenecarboxylicacid,5-methyl-,hydrazide(9CI), 2-Thiophenecarboxylicacid5-methylhydrazide, 5-METHYL-2-THIOPHENECARBOXYLIC ACID HYDRAZIDE, 5-METHYL-THIOPHENE-2-CARBOXYLIC ACID HYDRAZIDE, 5-methylthiophene-2-carbohydrazide(SALTDATA: FREE)

5-Methyl-2-thiophenecarboxylic acid hydrazide (CAS 126768-40-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2OS and a molecular weight of 156.20600 g/mol. It is also known as 5-methylthiophene-2-carbohydrazide, 5-methyl-2-thiophenecarbohydrazide and 5-methyl-thiophene-2-carboxylic acid hydrazide. Key properties include a melting point of 100-102ºC and a density of 1.273g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
126768-40-9
Jingsj CID
J-1518222-1
Molecular Formula
C6H8N2OS
Chinese Name
5-甲基-2-噻吩羧酸肼
Molecular Weight
156.20600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point100-102ºC
Density1.273g/cm3

Frequently Asked Questions

What is the CAS number of 5-Methyl-2-thiophenecarboxylic acid hydrazide?

The CAS number of 5-Methyl-2-thiophenecarboxylic acid hydrazide is 126768-40-9.

What are the molecular formula and molecular weight of 5-Methyl-2-thiophenecarboxylic acid hydrazide?

5-Methyl-2-thiophenecarboxylic acid hydrazide has molecular formula C6H8N2OS and molecular weight 156.20600 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methyl-2-thiophenecarboxylic acid hydrazide (CAS 126768-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518222-1 (accessed 2026-10-25).

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