87257-38-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87257-38-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,5 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87257-38:
(7*8)+(6*7)+(5*2)+(4*5)+(3*7)+(2*3)+(1*8)=163
163 % 10 = 3
So 87257-38-3 is a valid CAS Registry Number.