1265221-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1265221-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,5,2,2 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1265221-63:
(9*1)+(8*2)+(7*6)+(6*5)+(5*2)+(4*2)+(3*1)+(2*6)+(1*3)=133
133 % 10 = 3
So 1265221-63-3 is a valid CAS Registry Number.