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2,5-Thiophenedicarboxylicacid, 2-methyl ester (50340-79-9)

Identification
Name:2,5-Thiophenedicarboxylicacid, 2-methyl ester
Synonyms:2,5-Thiophenedicarboxylicacid, monomethyl ester (9CI); 5-(Methoxycarbonyl)thiophene-2-carboxylic acid;Methyl thiophene-2,5-dicarboxylate
CAS:50340-79-9
Molecular Formula: C7H6 O4 S
Molecular Weight: 0
InChI: InChI=1/C7H6O4S/c1-11-7(10)5-3-2-4(12-5)6(8)9/h2-3H,1H3,(H,8,9)
Molecular Structure: (C7H6O4S) 2,5-Thiophenedicarboxylicacid, monomethyl ester (9CI); 5-(Methoxycarbonyl)thiophene-2-carboxylic aci...
Properties
Density:1.439g/cm3
Refractive index:1.584
Specification:

A monoester derivative of of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS NO.50340-79-9) , the carboxylic acid and the carboxylic acid ester groups are approximately coplanar with thiophene ring, making a dihedral angle of 3.1 (4) and 3.6 (4)°, respectively. In the crystal structure, molecules are connected by classical intermolecular O-HO hydrogen bonds, forming centrosymmetric dimers.

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