331958-30-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331958-30-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,9,5 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 331958-30:
(8*3)+(7*3)+(6*1)+(5*9)+(4*5)+(3*8)+(2*3)+(1*0)=146
146 % 10 = 6
So 331958-30-6 is a valid CAS Registry Number.