77544-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77544-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,4 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77544-40:
(7*7)+(6*7)+(5*5)+(4*4)+(3*4)+(2*4)+(1*0)=152
152 % 10 = 2
So 77544-40-2 is a valid CAS Registry Number.
77544-40-2Relevant articles and documents
HEMICYANINE AND AZAHEMICYANINE CATIONIC DYES CONTAINING AN ANTHRAPYRIDINIUM RING
Gorelik, M. V.,Arinich, A. K.
, p. 172 - 175 (2007/10/02)
Green dyes were obtained by the reaction of 2,3-dimethylanthrapyridinium methylsulfate with N,N-disubstituted p-aminobenzaldehydes and p-nitrosoanilines.The features of the electronic spectra of the dyes are discussed.
