13779-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13779-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,7 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13779-62:
(7*1)+(6*3)+(5*7)+(4*7)+(3*9)+(2*6)+(1*2)=129
129 % 10 = 9
So 13779-62-9 is a valid CAS Registry Number.