330997-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330997-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,9,9 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 330997-07:
(8*3)+(7*3)+(6*0)+(5*9)+(4*9)+(3*7)+(2*0)+(1*7)=154
154 % 10 = 4
So 330997-07-4 is a valid CAS Registry Number.