353493-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 353493-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,3,4,9 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 353493-99:
(8*3)+(7*5)+(6*3)+(5*4)+(4*9)+(3*3)+(2*9)+(1*9)=169
169 % 10 = 9
So 353493-99-9 is a valid CAS Registry Number.