87422-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87422-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,2 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87422-65:
(7*8)+(6*7)+(5*4)+(4*2)+(3*2)+(2*6)+(1*5)=149
149 % 10 = 9
So 87422-65-9 is a valid CAS Registry Number.