Cas 131882-41-2,4-Ethyl-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carboxylic acid cyclohexylamide

131882-41-2

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Basic information

Product Name: 4-Ethyl-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carboxylic acid cyclohexylamide
Synonyms: 4-Ethyl-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carboxylic acid cyclohexylamide
CAS NO:131882-41-2
Molecular Formula:
Molecular Weight: 251.329
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: 4-Ethyl-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carboxylic acid cyclohexylamide(CAS DataBase Reference)
NIST Chemistry Reference: 4-Ethyl-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carboxylic acid cyclohexylamide(131882-41-2)
EPA Substance Registry System: 4-Ethyl-3-methyl-5-oxo-4,5-dihydro-pyrazole-1-carboxylic acid cyclohexylamide(131882-41-2)

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: 131882-41-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 131882-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,8 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131882-41:
(8*1)+(7*3)+(6*1)+(5*8)+(4*8)+(3*2)+(2*4)+(1*1)=122
122 % 10 = 2
So 131882-41-2 is a valid CAS Registry Number.

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131882-41-2Relevant academic research and scientific papers

REACTION OF ISOCYANATES WITH PYRAZOL-5-ONES

Vostokov, I. A.,Vasyaeva, L. V.,Maricheva, G. A.,Trub, E. P.

, p. 884 - 886 (1990)

Treatment of mono- and diisocyanates with 3-methyl-4-alkyl(aryl)pyrazol-5-ones by heating in absolute dioxane gives the corresponding 1-carbamoylpyrazol-5-ones.Using PMR spectroscopy it has been shown that they exist in the 5-hydroxypyrazole form in DMSO,

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