587-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 587-81-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,8 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 587-81:
(5*5)+(4*8)+(3*7)+(2*8)+(1*1)=95
95 % 10 = 5
So 587-81-5 is a valid CAS Registry Number.