Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate

3,4-二羟基噻吩-2,5-二甲酸二乙酯

Also known as: 3,4-Dihydroxythiophene-2,5-dicarboxylic acid diethyl ester, 2,5-Bis(ethoxycarbonyl)thiophene-3,4-diol, 2,5-Diethoxycarbonyl-3,4-dihydroxythiophene, 3,4-Dihydroxy-2,5-dicarbethoxythiophene, Diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate, 3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER, MFCD03094035

CAS No.
1822-66-8
Jingsj CID
J-10571-4
Molecular Formula
C10H12O6S
Chinese Name
3,4-二羟基噻吩-2,5-二甲酸二乙酯
Molecular Weight
260.264 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point132-135ºC(lit.)
Boiling Point397.7±37.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point194.3±26.5 °C

Frequently Asked Questions

What is the CAS number of Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate?

1822-66-8

What are the molecular formula and molecular weight of Diethyl 3,4-dihydroxy-2,5-thiophenedicarboxylate?

C10H12O6S, molecular weight 260.264 g/mol

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