Cas 667938-19-4,(2-{Benzyl-[(S)-2,2-difluoro-3-((R)-2-hydroxy-1-phenyl-ethylamino)-3-phenyl-propionyl]-amino}-2-phenyl-acetylamino)-acetic acid ethyl ester

667938-19-4

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Basic information

Product Name: (2-{Benzyl-[(S)-2,2-difluoro-3-((R)-2-hydroxy-1-phenyl-ethylamino)-3-phenyl-propionyl]-amino}-2-phenyl-acetylamino)-acetic acid ethyl ester
Synonyms: (2-{Benzyl-[(S)-2,2-difluoro-3-((R)-2-hydroxy-1-phenyl-ethylamino)-3-phenyl-propionyl]-amino}-2-phenyl-acetylamino)-acetic acid ethyl ester
CAS NO:667938-19-4
Molecular Formula:
Molecular Weight: 629.704
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (2-{Benzyl-[(S)-2,2-difluoro-3-((R)-2-hydroxy-1-phenyl-ethylamino)-3-phenyl-propionyl]-amino}-2-phenyl-acetylamino)-acetic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (2-{Benzyl-[(S)-2,2-difluoro-3-((R)-2-hydroxy-1-phenyl-ethylamino)-3-phenyl-propionyl]-amino}-2-phenyl-acetylamino)-acetic acid ethyl ester(667938-19-4)
EPA Substance Registry System: (2-{Benzyl-[(S)-2,2-difluoro-3-((R)-2-hydroxy-1-phenyl-ethylamino)-3-phenyl-propionyl]-amino}-2-phenyl-acetylamino)-acetic acid ethyl ester(667938-19-4)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 667938-19-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 667938-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,3 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 667938-19:
(8*6)+(7*6)+(6*7)+(5*9)+(4*3)+(3*8)+(2*1)+(1*9)=224
224 % 10 = 4
So 667938-19-4 is a valid CAS Registry Number.

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667938-19-4Relevant academic research and scientific papers

Synthesis of difluorinated pseudopeptides using chiral α,α- difluoro-β-amino acids in the Ugi reaction

Gouge, Vanessa,Jubault, Philippe,Quirion, Jean-Charles

, p. 773 - 776 (2004)

2,2-Difluoro-3-(2-hydroxy-1 R-phenylethylamino)-3 S-phenylpropionic acid 3, obtained by a Reformatsky-type reaction of ethyl bromodifluoroacetate with (4R)-2,4-diphenyloxazolidine, was used as a classical carboxylic acid in the Ugi reaction to prepare various difluorinated pseudopeptides 5a-n. Compounds 5 were then deprotected by hydrogenolysis to furnish difluorinated pseudopeptides 6.

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