667432-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667432-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,4,3 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 667432-44:
(8*6)+(7*6)+(6*7)+(5*4)+(4*3)+(3*2)+(2*4)+(1*4)=182
182 % 10 = 2
So 667432-44-2 is a valid CAS Registry Number.