331420-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331420-65-6 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 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 331420-65:
(8*3)+(7*3)+(6*1)+(5*4)+(4*2)+(3*0)+(2*6)+(1*5)=96
96 % 10 = 6
So 331420-65-6 is a valid CAS Registry Number.