Cas 143918-74-5,4,4-Dimethyl-3-oxo-2-p-tolyl-pentanoic acid methyl ester

143918-74-5

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Basic information

Product Name: 4,4-Dimethyl-3-oxo-2-p-tolyl-pentanoic acid methyl ester
Synonyms:
CAS NO:143918-74-5
Molecular Formula:
Molecular Weight: 248.322
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: 4,4-Dimethyl-3-oxo-2-p-tolyl-pentanoic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 4,4-Dimethyl-3-oxo-2-p-tolyl-pentanoic acid methyl ester(143918-74-5)
EPA Substance Registry System: 4,4-Dimethyl-3-oxo-2-p-tolyl-pentanoic acid methyl ester(143918-74-5)

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: 143918-74-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143918-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,1 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 143918-74:
(8*1)+(7*4)+(6*3)+(5*9)+(4*1)+(3*8)+(2*7)+(1*4)=145
145 % 10 = 5
So 143918-74-5 is a valid CAS Registry Number.

143918-74-5Upstream product

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143918-74-5Relevant academic research and scientific papers

Decomposition of 2-diazo-1,3-diketones: Stereocontrol of the mechanism

Nikolaev, Valerij A.

, p. 4483 - 4486 (1992)

Complete "inversion" of alkyl to aryl migratory tendency in Wolff rearrangement of diazodiketones with Z,Z-conformation was revealed by comparing decomposition behavior of the planar diazo tetralindione with its twisted acyclic analogues. Dramatic change

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