7251-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7251-91-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,5 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7251-91:
(6*7)+(5*2)+(4*5)+(3*1)+(2*9)+(1*1)=94
94 % 10 = 4
So 7251-91-4 is a valid CAS Registry Number.
InChI:InChI=1/C17H12N2O2/c20-19(21)16-6-3-4-13(12-16)8-10-15-11-9-14-5-1-2-7-17(14)18-15/h1-12H
7251-91-4Relevant articles and documents
Synthesis and structure of styryl-substituted azines
Gulakova,Sitin,Kuz'Mina,Fedorova
experimental part, p. 245 - 252 (2011/05/03)
New photochromic derivatives of 2-styrylquinoline and 2-styrylquinoxaline were obtained by the condensation of the methyl derivatives of the mentioned heterocycles with substituted benzaldehydes in the presence of basic and acidic catalysts, and also unde
