87453-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87453-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,5 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87453-42:
(7*8)+(6*7)+(5*4)+(4*5)+(3*3)+(2*4)+(1*2)=157
157 % 10 = 7
So 87453-42-7 is a valid CAS Registry Number.