79763-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79763-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,6 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79763-20:
(7*7)+(6*9)+(5*7)+(4*6)+(3*3)+(2*2)+(1*0)=175
175 % 10 = 5
So 79763-20-5 is a valid CAS Registry Number.