15217-85-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15217-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,2,1 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 15217-85:
(7*1)+(6*5)+(5*2)+(4*1)+(3*7)+(2*8)+(1*5)=93
93 % 10 = 3
So 15217-85-3 is a valid CAS Registry Number.