87179-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87179-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,7 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87179-81:
(7*8)+(6*7)+(5*1)+(4*7)+(3*9)+(2*8)+(1*1)=175
175 % 10 = 5
So 87179-81-5 is a valid CAS Registry Number.