45642-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 45642-86-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,5,6,4 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 45642-86:
(7*4)+(6*5)+(5*6)+(4*4)+(3*2)+(2*8)+(1*6)=132
132 % 10 = 2
So 45642-86-2 is a valid CAS Registry Number.