Cas 143706-72-3,3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(1-methylethyl)-

143706-72-3

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Basic information

Product Name: 3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(1-methylethyl)-
Synonyms:
CAS NO:143706-72-3
Molecular Formula: C7H12N2O
Molecular Weight: 140.185
EINECS: N/A
Product Categories: N/A
Mol File: 143706-72-3.mol

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: 3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(1-methylethyl)-(CAS DataBase Reference)
NIST Chemistry Reference: 3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(1-methylethyl)-(143706-72-3)
EPA Substance Registry System: 3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(1-methylethyl)-(143706-72-3)

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: 143706-72-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143706-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,0 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 143706-72:
(8*1)+(7*4)+(6*3)+(5*7)+(4*0)+(3*6)+(2*7)+(1*2)=123
123 % 10 = 3
So 143706-72-3 is a valid CAS Registry Number.

143706-72-3Upstream product

143706-72-3Downstream Products

143706-72-3Relevant academic research and scientific papers

Cyclocondensation of Alkylhydrazines and β-Substituted Acetylenic Esters: Synthesis of 3-Hydroxypyrazoles

Hamper, Bruce C.,Kurtzweil, Mitchell L.,Beck, James P.

, p. 5680 - 5686 (1992)

Addition of monosubstituted alkylhydrazines to acetylenic esters with either electron-withdrawing or sterically bulky β-substituents afforded 1-alkyl-3-hydroxy-5-substituted-pyrazoles 1 as the major regioisomeric product.By comparison, the classical cyclo

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