330188-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330188-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,1,8 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 330188-17:
(8*3)+(7*3)+(6*0)+(5*1)+(4*8)+(3*8)+(2*1)+(1*7)=115
115 % 10 = 5
So 330188-17-5 is a valid CAS Registry Number.