79996-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79996-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,9 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79996-71:
(7*7)+(6*9)+(5*9)+(4*9)+(3*6)+(2*7)+(1*1)=217
217 % 10 = 7
So 79996-71-7 is a valid CAS Registry Number.