174221-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174221-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,2,2 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 174221-97:
(8*1)+(7*7)+(6*4)+(5*2)+(4*2)+(3*1)+(2*9)+(1*7)=127
127 % 10 = 7
So 174221-97-7 is a valid CAS Registry Number.
174221-97-7Relevant articles and documents
Total synthesis of cis- and trans-3-hydroxy-D-proline and (+)-detoxinine
Mulzer, Johann,Meier, Andreas,Buschmann, Juergen,Luger, Peter
, p. 566 - 572 (2007/10/03)
The unnatural enantiomer of the amino acid detoxinine and both diastereomeric 3-hydroxy-D-prolines have been prepared from D-mannitol via the O-silylated hydroxyproline 12 as a common key intermediate.