309933-10-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 309933-10-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,9,3 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 309933-10:
(8*3)+(7*0)+(6*9)+(5*9)+(4*3)+(3*3)+(2*1)+(1*0)=146
146 % 10 = 6
So 309933-10-6 is a valid CAS Registry Number.