87543-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87543-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,4 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87543-03:
(7*8)+(6*7)+(5*5)+(4*4)+(3*3)+(2*0)+(1*3)=151
151 % 10 = 1
So 87543-03-1 is a valid CAS Registry Number.