908553-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 908553-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,8,5,5 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 908553-77:
(8*9)+(7*0)+(6*8)+(5*5)+(4*5)+(3*3)+(2*7)+(1*7)=195
195 % 10 = 5
So 908553-77-5 is a valid CAS Registry Number.
908553-77-5Relevant articles and documents
Annulation of a pyridine ring with vicinal ethoxycarbonyl(methyl) pyrimidines
Shikhaliev,Potapov,Polukhin,Slivkin
, p. 1996 - 1999 (2009)
Pyridoannulation of 5-ethoxycarbonyl-4-methylpyrimidine and 7-methyl-6-ethoxy-carbonyl[1,2,4]triazolo[1,5-a]pyrimidine derivatives has been studied.