Cas 56043-90-4,(6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

56043-90-4

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Basic information

Product Name: (6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester
Synonyms: (6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester
CAS NO:56043-90-4
Molecular Formula:
Molecular Weight: 446.524
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: (6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester(56043-90-4)
EPA Substance Registry System: (6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester(56043-90-4)

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: 56043-90-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 56043-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,0,4 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56043-90:
(7*5)+(6*6)+(5*0)+(4*4)+(3*3)+(2*9)+(1*0)=114
114 % 10 = 4
So 56043-90-4 is a valid CAS Registry Number.

56043-90-4Upstream product

56043-90-4Downstream Products

68538-91-0 (6R)-3-acetoxymethyl-7t-(methoxy-phenyl-methyleneamino)-2-methylsulfanyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2c-carboxylic acid tert-butyl ester

56043-90-4Relevant academic research and scientific papers

7-α substituted imino 7-β substituted thio cephalosporin derivatives

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, (2008/06/13)

An improved, versatile method for producing 7-cephalosporin derivatives having a 7-alkylthio or 7-arylthio group which comprises treating a 7-substituted imino halide, imino ether or iminothio ether of 7-aminocephalosporanic acid, 7-amino-3-desacetoxycephalosporanic acid and the like with a thiolating agent in the presence of a base, to obtain the thio derivative. These products are particularly useful for conversion to 7α-alkylthio or 7α-arylthio-7-acylamino intermediates which are converted to lower alkoxy cephalosporin derivatives useful as antibacterial agents.

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