79639-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79639-11-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,3 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79639-11:
(7*7)+(6*9)+(5*6)+(4*3)+(3*9)+(2*1)+(1*1)=175
175 % 10 = 5
So 79639-11-5 is a valid CAS Registry Number.