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Carmine Red 1851

Carmine Red 1851
Chemical Name:  Benzimidazolone Carmine HF4C ,Permanent Carmine HF4C 
CAS No.: 51920-12-8   61951-98-2
EU No.:  257-515-0   263-353-1
C.I. NO.:  12516 
Chemical Formula: C27H24N6O6S
Molecular Weight:  560.63

Structural Formula: