66033-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66033-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,0,3 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 66033-57:
(7*6)+(6*6)+(5*0)+(4*3)+(3*3)+(2*5)+(1*7)=116
116 % 10 = 6
So 66033-57-6 is a valid CAS Registry Number.