330819-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330819-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,8,1 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 330819-58:
(8*3)+(7*3)+(6*0)+(5*8)+(4*1)+(3*9)+(2*5)+(1*8)=134
134 % 10 = 4
So 330819-58-4 is a valid CAS Registry Number.