87120-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87120-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,2 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87120-45:
(7*8)+(6*7)+(5*1)+(4*2)+(3*0)+(2*4)+(1*5)=124
124 % 10 = 4
So 87120-45-4 is a valid CAS Registry Number.