Cas 204258-56-0,pent-4-yn-1-yl 2-[2-(1-chloro-2-methoxy-2-oxoethylidene)hydrazino]benzoate

204258-56-0

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Basic information

Product Name: pent-4-yn-1-yl 2-[2-(1-chloro-2-methoxy-2-oxoethylidene)hydrazino]benzoate
Synonyms:
CAS NO:204258-56-0
Molecular Formula:
Molecular Weight: 322.748
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: pent-4-yn-1-yl 2-[2-(1-chloro-2-methoxy-2-oxoethylidene)hydrazino]benzoate(CAS DataBase Reference)
NIST Chemistry Reference: pent-4-yn-1-yl 2-[2-(1-chloro-2-methoxy-2-oxoethylidene)hydrazino]benzoate(204258-56-0)
EPA Substance Registry System: pent-4-yn-1-yl 2-[2-(1-chloro-2-methoxy-2-oxoethylidene)hydrazino]benzoate(204258-56-0)

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: 204258-56-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 204258-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,2,5 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 204258-56:
(8*2)+(7*0)+(6*4)+(5*2)+(4*5)+(3*8)+(2*5)+(1*6)=110
110 % 10 = 0
So 204258-56-0 is a valid CAS Registry Number.

204258-56-0Upstream product

4755-81-1 methyl 2-chloroacetoacetate

204258-56-0Downstream Products

204258-56-0Relevant academic research and scientific papers

Intramolecular Nitrile Imide Cycloadditions leading to Benzo[c]pyrazolo[1,5-e][1,5]-oxazonine and -oxazecine Skeletons

Molteni, Giorgio

, p. 40 - 41 (1998)

A synthetic route to the new title compounds 4, which involves an intramolecular nitrile imide cycloaddition to an acetylenic moiety as the key step, is described.

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