33694-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33694-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,9 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33694-90:
(7*3)+(6*3)+(5*6)+(4*9)+(3*4)+(2*9)+(1*0)=135
135 % 10 = 5
So 33694-90-5 is a valid CAS Registry Number.