15159-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15159-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,5 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15159-66:
(7*1)+(6*5)+(5*1)+(4*5)+(3*9)+(2*6)+(1*6)=107
107 % 10 = 7
So 15159-66-7 is a valid CAS Registry Number.