319493-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 319493-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,9,4,9 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 319493-17:
(8*3)+(7*1)+(6*9)+(5*4)+(4*9)+(3*3)+(2*1)+(1*7)=159
159 % 10 = 9
So 319493-17-9 is a valid CAS Registry Number.