Cas 129374-56-7,3-Hydroxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester

129374-56-7

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Basic information

Product Name: 3-Hydroxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester
Synonyms: 3-Hydroxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester
CAS NO:129374-56-7
Molecular Formula:
Molecular Weight: 197.191
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: 3-Hydroxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 3-Hydroxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester(129374-56-7)
EPA Substance Registry System: 3-Hydroxy-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid methyl ester(129374-56-7)

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: 129374-56-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 129374-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,7 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129374-56:
(8*1)+(7*2)+(6*9)+(5*3)+(4*7)+(3*4)+(2*5)+(1*6)=147
147 % 10 = 7
So 129374-56-7 is a valid CAS Registry Number.

129374-56-7Upstream product

136810-40-7 2-<2-(N,N-dibenzoyl)carbamoylethyl>-1-(methoxycarbonylmethyl)azetidinone

129374-56-7Downstream Products

129374-56-7Relevant academic research and scientific papers

A novel Dieckmann-type cyclization, the final step of the synthesis of a carbacephem derivative

Neyer,Ugi

, p. 743 - 744 (1991)

The treatment of the triacylamine, methyl 4-(dibenzoyl-aminocarbonylethyl)-2-oxoazetidine-1-acetate (2), with sodium bis(trimethylsilyl)amide leads to an unprecedented Dieckmann-type ring closure to form the anion of the carbacephem derivative, methyl 3-hydroxy-1-carbacephem-4-carboxylate, (3).

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