86517-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86517-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,5,1 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 86517-55:
(7*8)+(6*6)+(5*5)+(4*1)+(3*7)+(2*5)+(1*5)=157
157 % 10 = 7
So 86517-55-7 is a valid CAS Registry Number.