900277-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900277-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,2,7 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 900277-79:
(8*9)+(7*0)+(6*0)+(5*2)+(4*7)+(3*7)+(2*7)+(1*9)=154
154 % 10 = 4
So 900277-79-4 is a valid CAS Registry Number.