74553-33-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74553-33-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,5 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74553-33:
(7*7)+(6*4)+(5*5)+(4*5)+(3*3)+(2*3)+(1*3)=136
136 % 10 = 6
So 74553-33-6 is a valid CAS Registry Number.