293313-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 293313-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,3,1 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 293313-09:
(8*2)+(7*9)+(6*3)+(5*3)+(4*1)+(3*3)+(2*0)+(1*9)=134
134 % 10 = 4
So 293313-09-4 is a valid CAS Registry Number.