191212-83-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191212-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,2,1 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 191212-83:
(8*1)+(7*9)+(6*1)+(5*2)+(4*1)+(3*2)+(2*8)+(1*3)=116
116 % 10 = 6
So 191212-83-6 is a valid CAS Registry Number.