87042-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87042-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,0,4 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87042-05:
(7*8)+(6*7)+(5*0)+(4*4)+(3*2)+(2*0)+(1*5)=125
125 % 10 = 5
So 87042-05-5 is a valid CAS Registry Number.