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124947-31-5

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124947-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124947-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,9,4 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 124947-31:
(8*1)+(7*2)+(6*4)+(5*9)+(4*4)+(3*7)+(2*3)+(1*1)=135
135 % 10 = 5
So 124947-31-5 is a valid CAS Registry Number.

124947-31-5Relevant articles and documents

FLUOROUS OXAZOLIDINONE CHIRAL AUXILIARY COMPOUNDS AND METHODS OF MANUFACTURE

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Page/Page column 7, (2008/06/13)

The present invention relates generally to perfluoroalkyl chiral auxiliary compounds and methods of manufacture. These compounds have the functionality to effectively support the synthesis of chiral compounds in single reactions, high-throughput parallel recations, or combinatorial reactions The invention relates to two oxazolidmone chiral auxiliaries (1) and (2): wherein Rf is a perfluoroalkyl group having the general formula (CH2)x-CyF2y+1 where x = 1-5 and y = 4-10 and wherein B is an unfunctionalized aryl, alkyl or arylalkyl group Pn a preferred embodiment, x = 2 and y = 6 and B is derived from unfunctionalized ammo acids The ammo acids may be from either the D- or L- series, and are preferably enantiomeπcally pure or in very high enantiomeric excess in either configuration.

A Practical Synthesis of threo-3-Amino-2-hydroxycarboxylic Acids

Matsuda, Fuyuhiko,Mtsumoto, Teruyo,Ohsaki, Masako,Ito, Yoshio,Terashima, Shiro

, p. 360 - 365 (2007/10/02)

An expeditious synthesis of (2R,3S)-3-amino-4-cyclohexyl-2-hydroxybutyric acid (2) and (2S,3R)-3-amino-2-hydroxy-4-phenylbutyric acid (4), the key components of the renin inhibitor (1) and bestatin (3), respectively, have been accomplished by featuring hi

An expeditious synthesis of (3S,4S)-statine and (3S,4S)cyclohexylstatine

Takemoto, Yoshiji,Matsumoto, Teruyo,Ito, Yoshio,Terashima, Shiro

, p. 217 - 218 (2007/10/02)

The title synthesis could be accomplished by employing highly stereoselective aldol reaction of O-methyl-O-trimethylsilyl ketene acetal with the (S)-α-amido aldehyde (2) in the presence of titanium (IV) chloride as a key step.

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