402-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402-33-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 402-33:
(5*4)+(4*0)+(3*2)+(2*3)+(1*3)=35
35 % 10 = 5
So 402-33-5 is a valid CAS Registry Number.