33552-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33552-65-7 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 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33552-65:
(7*3)+(6*3)+(5*5)+(4*5)+(3*2)+(2*6)+(1*5)=107
107 % 10 = 7
So 33552-65-7 is a valid CAS Registry Number.