334-02-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334-02-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,3 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 334-02:
(5*3)+(4*3)+(3*4)+(2*0)+(1*2)=41
41 % 10 = 1
So 334-02-1 is a valid CAS Registry Number.