221529-96-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221529-96-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,5,2 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221529-96:
(8*2)+(7*2)+(6*1)+(5*5)+(4*2)+(3*9)+(2*9)+(1*6)=120
120 % 10 = 0
So 221529-96-0 is a valid CAS Registry Number.