79983-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79983-47-4 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 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 79983-47:
(7*7)+(6*9)+(5*9)+(4*8)+(3*3)+(2*4)+(1*7)=204
204 % 10 = 4
So 79983-47-4 is a valid CAS Registry Number.