917255-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 917255-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,2,5 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 917255-45:
(8*9)+(7*1)+(6*7)+(5*2)+(4*5)+(3*5)+(2*4)+(1*5)=179
179 % 10 = 9
So 917255-45-9 is a valid CAS Registry Number.
917255-45-9Relevant articles and documents
An efficient synthesis of orthogonally protected trans- and cis-4-aminopipecolic acid
Szatmari, Istvan,Kiss, Lorand,Fueloep, Ferenc
, p. 1387 - 1389 (2006)
A straightforward synthesis of orthogonally Nα/N γ-protected trans- and cis-4-aminopipecolic acid is reported, starting from methyl cis-4-hydroxypiperidine-2-carboxylate. The two diastereomers were synthesized with the aid of C-4 inv