Cas 87650-51-9,β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone

87650-51-9

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Basic information

Product Name: β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone
Synonyms: β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone
CAS NO:87650-51-9
Molecular Formula:
Molecular Weight: 461.431
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: β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone(CAS DataBase Reference)
NIST Chemistry Reference: β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone(87650-51-9)
EPA Substance Registry System: β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone(87650-51-9)

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: 87650-51-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 87650-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,5 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87650-51:
(7*8)+(6*7)+(5*6)+(4*5)+(3*0)+(2*5)+(1*1)=159
159 % 10 = 9
So 87650-51-9 is a valid CAS Registry Number.

87650-51-9Upstream product

87650-51-9Downstream Products

87650-50-8 1-(2,4-dinitrophenyl)-3-(2,4-dimethyl-5-ethoxycarboyl-3-pyrrolyl)-5-oxopyrazole

87650-51-9Relevant academic research and scientific papers

SYNTHESIS OF 1-ARYL-3-(3-PYRROLYL)-5-OXOPYRAZOLES

Zhestkov, V.P.,Voronin, V.G.,Portnov, Yu.N.

, p. 863 - 867 (1983)

1-Aryl-3-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-5-oxopyrazoles were obtained by condensation of ethyl β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate with arylhydrazines.Electron-donor substituents in the aromatic ring of the arylhydrazines accelerate the cyclization of the intermediate hydrazones, whereas electron-acceptor substituents hinder cyclization.

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