79816-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79816-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79816-74:
(7*7)+(6*9)+(5*8)+(4*1)+(3*6)+(2*7)+(1*4)=183
183 % 10 = 3
So 79816-74-3 is a valid CAS Registry Number.