319929-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 319929-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,9,9,2 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 319929-12:
(8*3)+(7*1)+(6*9)+(5*9)+(4*2)+(3*9)+(2*1)+(1*2)=169
169 % 10 = 9
So 319929-12-9 is a valid CAS Registry Number.