87496-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87496-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,9 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87496-71:
(7*8)+(6*7)+(5*4)+(4*9)+(3*6)+(2*7)+(1*1)=187
187 % 10 = 7
So 87496-71-7 is a valid CAS Registry Number.