433975-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 433975-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,9,7 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 433975-42:
(8*4)+(7*3)+(6*3)+(5*9)+(4*7)+(3*5)+(2*4)+(1*2)=169
169 % 10 = 9
So 433975-42-9 is a valid CAS Registry Number.