33542-07-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33542-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,4 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33542-07:
(7*3)+(6*3)+(5*5)+(4*4)+(3*2)+(2*0)+(1*7)=93
93 % 10 = 3
So 33542-07-3 is a valid CAS Registry Number.