3-(benzothiazol-2-yl)-7-(diethylamino)-2-oxo-2H-1-benzopyran-4-carbonitrile

3-(2-苯并噻唑基)-7-(二乙氨基)-2-氧代-2H-1-苯并吡喃-4-腈

Also known as: 2H-1-Benzopyran-4-carbonitrile, 3-(2-benzothiazolyl)-7-(diethylamino)-2-oxo-, 3-(1,3-benzothiazol-2-yl)-7-(diethylamino)-2-oxochromene-4-carbonitrile, 3-(1,3-benzothiazol-2-yl)-7-(diethylamino)-2-oxo-2H-chromene-4-carbonitrile, 3-(2-benzothiazolyl)-7-(diethylamino)-2-oxo-2H-1-benzopyran-4-carbonitril, 3-(benzo[d]thiazol-2-yl)-7-(diethylamino)-2-oxo-2H-chromene-4-carbonitrile, 3-benzothiazol-2-yl-7-diethylamino-2-oxo-2H-chromene-4-carbonitrile, C.I. Solvent Orange 112, Macrolex Fluorescence Red G, Solvent Orange 112, EINECS 274-668-9

CAS No.
70546-25-7
Jingsj CID
J-1310995-8
Molecular Formula
C21H17N3O2S
Chinese Name
3-(2-苯并噻唑基)-7-(二乙氨基)-2-氧代-2H-1-苯并吡喃-4-腈
Molecular Weight
375.44400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point578.7ºC at 760 mmHg
Density1.37g/cm3
Flash Point303.8ºC

Frequently Asked Questions

What is the CAS number of 3-(benzothiazol-2-yl)-7-(diethylamino)-2-oxo-2H-1-benzopyran-4-carbonitrile?

70546-25-7

What are the molecular formula and molecular weight of 3-(benzothiazol-2-yl)-7-(diethylamino)-2-oxo-2H-1-benzopyran-4-carbonitrile?

C21H17N3O2S, molecular weight 375.44400 g/mol

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