Cas 78344-75-9,5-(4-Chloro-benzoyl)-4-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester

78344-75-9

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Basic information

Product Name: 5-(4-Chloro-benzoyl)-4-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester
Synonyms: 5-(4-Chloro-benzoyl)-4-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester
CAS NO:78344-75-9
Molecular Formula:
Molecular Weight: 294.694
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: 5-(4-Chloro-benzoyl)-4-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 5-(4-Chloro-benzoyl)-4-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester(78344-75-9)
EPA Substance Registry System: 5-(4-Chloro-benzoyl)-4-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester(78344-75-9)

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: 78344-75-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 78344-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,4 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78344-75:
(7*7)+(6*8)+(5*3)+(4*4)+(3*4)+(2*7)+(1*5)=159
159 % 10 = 9
So 78344-75-9 is a valid CAS Registry Number.

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78344-75-9Relevant academic research and scientific papers

CHEMISTRY OF OXALYL DERIVATIVES OF METHYL KETONES. XXV. SYNTHESIS AND CYCLIZATION OF 2-DIAZO-1,5-DIARYL-1,3,5-PENTANETRIONES AND 2-DIAZO-5-ARYL-3,5-DIOXOPENTANOIC ESTERS

Andreichikov, Yu.S.,Gein, L.F.,Gein, V.L.

, p. 545 - 550 (2007/10/02)

2-Diazo-1,5-diaryl-1,3,5-pentanetriones and ethyl 2-diazo-5-aryl-3,5-dioxopentanoates were obtained in the reaction of 5-aryl-2,3-dihydro-2,3-furandiones with aroyldiazomethanes and diazoacetic ester.In some cases the formation of diazopentanetriones is a

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