667432-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667432-62-4 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, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 667432-62:
(8*6)+(7*6)+(6*7)+(5*4)+(4*3)+(3*2)+(2*6)+(1*2)=184
184 % 10 = 4
So 667432-62-4 is a valid CAS Registry Number.