Cas 136705-41-4,(4S,5R)-4-Hydroxy-5-methyl-2-oxy-5-phenyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester

136705-41-4

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Basic information

Product Name: (4S,5R)-4-Hydroxy-5-methyl-2-oxy-5-phenyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester
Synonyms: (4S,5R)-4-Hydroxy-5-methyl-2-oxy-5-phenyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester
CAS NO:136705-41-4
Molecular Formula:
Molecular Weight: 265.266
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: (4S,5R)-4-Hydroxy-5-methyl-2-oxy-5-phenyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (4S,5R)-4-Hydroxy-5-methyl-2-oxy-5-phenyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester(136705-41-4)
EPA Substance Registry System: (4S,5R)-4-Hydroxy-5-methyl-2-oxy-5-phenyl-4,5-dihydro-isoxazole-3-carboxylic acid ethyl ester(136705-41-4)

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: 136705-41-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 136705-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,0 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 136705-41:
(8*1)+(7*3)+(6*6)+(5*7)+(4*0)+(3*5)+(2*4)+(1*1)=124
124 % 10 = 4
So 136705-41-4 is a valid CAS Registry Number.

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136705-41-4Relevant academic research and scientific papers

Stereocontrolled Synthesis of 3-(Ethoxycarbonyl)-4-hydroxy-2-isoxazoline 2-Oxides. A New Approach to the Synthesis of 4-Hydroxylated 2-Isoxazolines

Rosini, Goffredo,Marotta, Emanuela,Righi, Paolo,Seerden, Jean Paul

, p. 6258 - 6260 (1991)

Treatment of 2-bromo aldehydes and ethyl nitroacetate with alumina without solvent, or in solution with a tertiary base, at room temperature gives the diastereomeric title compounds in fair yields by a tandem nitroaldol reaction-cyclization sequence opening a new route for the preparation of trans and cis 4-hydroxylated 2-isoxazolines in a predictable way.

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