345317-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345317-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,3,1 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 345317-99:
(8*3)+(7*4)+(6*5)+(5*3)+(4*1)+(3*7)+(2*9)+(1*9)=149
149 % 10 = 9
So 345317-99-9 is a valid CAS Registry Number.