Cas 83344-40-5,2-Oxo-1,2,5,6,8,8a-hexahydro-4-thia-2a,7-diaza-cyclobuta[b]naphthalene-3-carboxylic acid 4-nitro-benzyl ester

83344-40-5

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Basic information

Product Name: 2-Oxo-1,2,5,6,8,8a-hexahydro-4-thia-2a,7-diaza-cyclobuta[b]naphthalene-3-carboxylic acid 4-nitro-benzyl ester
Synonyms:
CAS NO:83344-40-5
Molecular Formula:
Molecular Weight: 373.389
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-Oxo-1,2,5,6,8,8a-hexahydro-4-thia-2a,7-diaza-cyclobuta[b]naphthalene-3-carboxylic acid 4-nitro-benzyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-Oxo-1,2,5,6,8,8a-hexahydro-4-thia-2a,7-diaza-cyclobuta[b]naphthalene-3-carboxylic acid 4-nitro-benzyl ester(83344-40-5)
EPA Substance Registry System: 2-Oxo-1,2,5,6,8,8a-hexahydro-4-thia-2a,7-diaza-cyclobuta[b]naphthalene-3-carboxylic acid 4-nitro-benzyl ester(83344-40-5)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 83344-40-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 83344-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,4 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83344-40:
(7*8)+(6*3)+(5*3)+(4*4)+(3*4)+(2*4)+(1*0)=125
125 % 10 = 5
So 83344-40-5 is a valid CAS Registry Number.

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83344-40-5Relevant academic research and scientific papers

STUDIES ON 1-CARBADETHIACEPHEMS, PART III: SYNTHESIS OF 2,3-DIFUNCTIONALISED 1-CARBADETHIACEPHEM DERIVATIVES

Greengrass, C.W.,Hoople, D.W.T.,Nobbs, M.S.

, p. 2419 - 2422 (2007/10/02)

A novel C(3) chlorination of p-nitrobenzyl 1-carbadethia-2-oxocephem 4-carboxylate 1 with sulphur dichloride is described.Reaction of the resulting 3-chloro-compound 8 with various thiols, and modifications at C(2) provided the title compounds.

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