227933-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227933-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,9,3 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 227933-99:
(8*2)+(7*2)+(6*7)+(5*9)+(4*3)+(3*3)+(2*9)+(1*9)=165
165 % 10 = 5
So 227933-99-5 is a valid CAS Registry Number.