331421-35-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331421-35-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,4,2 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 331421-35:
(8*3)+(7*3)+(6*1)+(5*4)+(4*2)+(3*1)+(2*3)+(1*5)=93
93 % 10 = 3
So 331421-35-3 is a valid CAS Registry Number.