221246-95-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221246-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,4 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 221246-95:
(8*2)+(7*2)+(6*1)+(5*2)+(4*4)+(3*6)+(2*9)+(1*5)=103
103 % 10 = 3
So 221246-95-3 is a valid CAS Registry Number.