79975-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79975-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,7 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79975-84:
(7*7)+(6*9)+(5*9)+(4*7)+(3*5)+(2*8)+(1*4)=211
211 % 10 = 1
So 79975-84-1 is a valid CAS Registry Number.