66432-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66432-64-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,4,3 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66432-64:
(7*6)+(6*6)+(5*4)+(4*3)+(3*2)+(2*6)+(1*4)=132
132 % 10 = 2
So 66432-64-2 is a valid CAS Registry Number.