Cas 54945-20-9,1-(3-chlorophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione

54945-20-9

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Basic information

Product Name: 1-(3-chlorophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione
Synonyms: 1-(3-chlorophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione
CAS NO:54945-20-9
Molecular Formula:
Molecular Weight: 274.704
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: 1-(3-chlorophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione(CAS DataBase Reference)
NIST Chemistry Reference: 1-(3-chlorophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione(54945-20-9)
EPA Substance Registry System: 1-(3-chlorophenyl)-2-(4-methoxyphenyl)ethane-1,2-dione(54945-20-9)

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: 54945-20-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 54945-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 54945-20:
(7*5)+(6*4)+(5*9)+(4*4)+(3*5)+(2*2)+(1*0)=139
139 % 10 = 9
So 54945-20-9 is a valid CAS Registry Number.

54945-20-9Upstream product

54945-20-9Downstream Products

1417560-58-7 2-(3-chlorophenyl)-3-(4-methoxyphenyl)pyrazine

54945-20-9Relevant academic research and scientific papers

One-pot synthesis of unsymmetrical benzils and N-heteroarenes through nucleophilic aroylation catalyzed by N-heterocyclic carbene

Suzuki, Yumiko,Murofushi, Mai,Manabe, Kei

, p. 470 - 473 (2013/02/25)

An efficient one-pot synthesis of various unsymmetrical benzils via N-heterocyclic carbene (NHC)-catalyzed aroylation of N-phenylimidoyl chlorides with aromatic aldehydes followed by acidic hydrolysis has been developed. The one-pot procedure was extended to synthesis of quinoxalines and pyrazines by condensation/annulation of unsymmetrical benzils generated in situ with diamines.

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