15645-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15645-79-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,4 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15645-79:
(7*1)+(6*5)+(5*6)+(4*4)+(3*5)+(2*7)+(1*9)=121
121 % 10 = 1
So 15645-79-1 is a valid CAS Registry Number.