331960-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331960-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,9,6 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 331960-33:
(8*3)+(7*3)+(6*1)+(5*9)+(4*6)+(3*0)+(2*3)+(1*3)=129
129 % 10 = 9
So 331960-33-9 is a valid CAS Registry Number.