Cas 159144-44-2,5-Chloro-5-methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one

159144-44-2

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Basic information

Product Name: 5-Chloro-5-methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one
Synonyms: 5-Chloro-5-methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one
CAS NO:159144-44-2
Molecular Formula:
Molecular Weight: 246.696
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-Chloro-5-methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one(CAS DataBase Reference)
NIST Chemistry Reference: 5-Chloro-5-methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one(159144-44-2)
EPA Substance Registry System: 5-Chloro-5-methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one(159144-44-2)

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: 159144-44-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 159144-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,1,4 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 159144-44:
(8*1)+(7*5)+(6*9)+(5*1)+(4*4)+(3*4)+(2*4)+(1*4)=142
142 % 10 = 2
So 159144-44-2 is a valid CAS Registry Number.

159144-44-2Upstream product

123791-74-2 5-hydroxy-5-methyl-4-oxo-3-phenylpyrrolidino<1,2-b>pyrazole

159144-44-2Downstream Products

159144-49-7 5-Methyl-3-phenyl-5,6-dihydro-pyrrolo[1,2-b]pyrazol-4-one

159144-44-2Relevant academic research and scientific papers

SYNTHESIS OF 3-ARYL-5-METHYLPYRROLIDINOPYRAZOLES

Kuz'menok, N. M.,Zvonok, A. M.

, p. 44 - 46 (1994)

The sequential conversion of 5-hydroxy-5-methyl-4-oxo-3-arylpyrrolidinopyrazoles to 5-methyl-5-chloro-4-oxo, 4-hydroxy-5-methyl-5-chloro-, and 5-methyl-4-oxo-3-arylpyrrolidinopyrazoles and the Huang-Minlon reduction of the last afforded 3-ar

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