333433-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 333433-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,4,3 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 333433-81:
(8*3)+(7*3)+(6*3)+(5*4)+(4*3)+(3*3)+(2*8)+(1*1)=121
121 % 10 = 1
So 333433-81-1 is a valid CAS Registry Number.