79961-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79961-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,6 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79961-84:
(7*7)+(6*9)+(5*9)+(4*6)+(3*1)+(2*8)+(1*4)=195
195 % 10 = 5
So 79961-84-5 is a valid CAS Registry Number.