163213-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163213-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,2,1 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 163213-80:
(8*1)+(7*6)+(6*3)+(5*2)+(4*1)+(3*3)+(2*8)+(1*0)=107
107 % 10 = 7
So 163213-80-7 is a valid CAS Registry Number.