217327-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217327-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,3,2 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 217327-71:
(8*2)+(7*1)+(6*7)+(5*3)+(4*2)+(3*7)+(2*7)+(1*1)=124
124 % 10 = 4
So 217327-71-4 is a valid CAS Registry Number.
217327-71-4Relevant articles and documents
Preparation of novel HIV-protease inhibitors
Reetz, Manfred T.,Merk, Claudia,Mehler, Gerlinde
, p. 2075 - 2076 (2007/10/03)
The synthesis and biological properties of new HIV-1-protease inhibitors involving amino acids or dipeptides attached to binaphthol, biphenol or embonic acid are described.