3-Methylthiophene-2-carbaldehyde oxime

3-甲基噻吩-2-甲醛肟

Also known as: 2-Thiophenecarboxaldehyde, 3-methyl-, oxime, 3-methyl-2-thiophenecarboxaldoxime, 3-Methylthiophene-2-carboxaldehyde oxime, N-[(3-methylthiophen-2-yl)methylidene]hydroxylamine

3-Methylthiophene-2-carbaldehyde oxime (CAS 41056-90-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NOS and a molecular weight of 141.19100 g/mol. It is also known as 2-Thiophenecarboxaldehyde, 3-methyl-, oxime, 3-methyl-2-thiophenecarboxaldoxime and 3-Methylthiophene-2-carboxaldehyde oxime. Key properties include a melting point of 111-112°C, a boiling point of 235.4ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 96.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41056-90-0
Jingsj CID
J-1431936-7
Molecular Formula
C6H7NOS
Chinese Name
3-甲基噻吩-2-甲醛肟
Molecular Weight
141.19100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point111-112°C
Boiling Point235.4ºC at 760 mmHg
Density1.21g/cm3
Flash Point96.2ºC

Frequently Asked Questions

What is the CAS number of 3-Methylthiophene-2-carbaldehyde oxime?

The CAS number of 3-Methylthiophene-2-carbaldehyde oxime is 41056-90-0.

What are the molecular formula and molecular weight of 3-Methylthiophene-2-carbaldehyde oxime?

3-Methylthiophene-2-carbaldehyde oxime has molecular formula C6H7NOS and molecular weight 141.19100 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Methylthiophene-2-carbaldehyde oxime (CAS 41056-90-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1431936-7 (accessed 2026-10-22).

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