293307-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 293307-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,3,3,0 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 293307-50:
(8*2)+(7*9)+(6*3)+(5*3)+(4*0)+(3*7)+(2*5)+(1*0)=143
143 % 10 = 3
So 293307-50-3 is a valid CAS Registry Number.