33558-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33558-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,5 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33558-50:
(7*3)+(6*3)+(5*5)+(4*5)+(3*8)+(2*5)+(1*0)=118
118 % 10 = 8
So 33558-50-8 is a valid CAS Registry Number.