433954-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 433954-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,9,5 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 433954-83:
(8*4)+(7*3)+(6*3)+(5*9)+(4*5)+(3*4)+(2*8)+(1*3)=167
167 % 10 = 7
So 433954-83-7 is a valid CAS Registry Number.