79987-83-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79987-83-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,8 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 79987-83:
(7*7)+(6*9)+(5*9)+(4*8)+(3*7)+(2*8)+(1*3)=220
220 % 10 = 0
So 79987-83-0 is a valid CAS Registry Number.