293741-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 293741-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,7,4 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 293741-16:
(8*2)+(7*9)+(6*3)+(5*7)+(4*4)+(3*1)+(2*1)+(1*6)=159
159 % 10 = 9
So 293741-16-9 is a valid CAS Registry Number.