Methyl 3-chlorosulfonylthiophene-2-carboxylate

3-(氯磺酰)-2-噻吩羧酸甲酯

Also known as: Methyl 3-(chlorosulfonyl)-2-thiophenecarboxylate, 2-Carbomethoxy-3-thiophenesulfonyl chloride, 2-(Methoxycarbonyl)-3-thiophenesulfonyl chloride, Methyl 3-(chlorosulphonyl)thiophene-2-carboxylate, 2-(Methoxycarbonyl)thiophene-3-sulphonyl chloride, 3-(Chlorosulfonyl)-2-thiophenecarboxylic Acid Methyl Ester, 2-(carbomethoxy)thiophene-3-sulfonyl chloride, 2-Carbomethoxy-3-thiophenesulfonyl chloride 95%

CAS No.
59337-92-7
Jingsj CID
J-996455-8
Molecular Formula
C6H5ClO4S2
Chinese Name
3-(氯磺酰)-2-噻吩羧酸甲酯
Molecular Weight
240.684 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point61-64 °C(lit.)
Boiling Point364.8±27.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point174.4±23.7 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Methyl 3-chlorosulfonylthiophene-2-carboxylate?

59337-92-7

What are the molecular formula and molecular weight of Methyl 3-chlorosulfonylthiophene-2-carboxylate?

C6H5ClO4S2, molecular weight 240.684 g/mol

Is Methyl 3-chlorosulfonylthiophene-2-carboxylate hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026