12101-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12101-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,0 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12101-63:
(7*1)+(6*2)+(5*1)+(4*0)+(3*1)+(2*6)+(1*3)=42
42 % 10 = 2
So 12101-63-2 is a valid CAS Registry Number.