33742-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33742-49-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,4 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 33742-49:
(7*3)+(6*3)+(5*7)+(4*4)+(3*2)+(2*4)+(1*9)=113
113 % 10 = 3
So 33742-49-3 is a valid CAS Registry Number.