213212-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213212-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,2,1 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 213212-80:
(8*2)+(7*1)+(6*3)+(5*2)+(4*1)+(3*2)+(2*8)+(1*0)=77
77 % 10 = 7
So 213212-80-7 is a valid CAS Registry Number.