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50515-42-9

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50515-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50515-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,1 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 50515-42:
(7*5)+(6*0)+(5*5)+(4*1)+(3*5)+(2*4)+(1*2)=89
89 % 10 = 9
So 50515-42-9 is a valid CAS Registry Number.

50515-42-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-methoxy-4-phenylbut-3-en-2-one

1.2 Other means of identification

Product number -
Other names 4-methoxy-4-phenyl-3-buten-2-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:50515-42-9 SDS

50515-42-9Relevant articles and documents

Phosphine-Catalyzed α-Umpolung-Aldol Reaction for the Synthesis of Benzo[ b]azapin-3-ones

Zhang, Kui,Cai, Lingchao,Hong, Sooji,Kwon, Ohyun

, p. 5143 - 5146 (2019)

A novel phosphine-catalyzed intermolecular cyclization between 2-sulfonamidobenzaldehyes and ynones is reported. This methodology serves as a conduit for the construction of benzo[b]azepin-3-ones in good to excellent yields under mild conditions. The resu

NEW METHODS AND REAGENTS IN ORGANIC SYNTHESIS. 46.1) TRIMETHYLSILYLDIAZOMETHANE: A CONVENIENT REAGENT FOR THE O-METHYLATION OF PHENOLS AND ENOLS

Aoyama, Toyohiko,Terasawa, Satomi,Sudo, Kimio,Shioiri, Takayuki

, p. 3759 - 3760 (2007/10/02)

Trimethylsilyldiazomethane reacts smoothly with phenols and enols in methanolic acetonitrile solution in the presence of N,N-diisopropylethylamine to give methyl ethers. KEYWORDS --- trimethylsilyldiazomethane; phenol; enol; O-methylation; methyl ether

The Allopolarization Principle and its Applications, IV. Substituent Effects in the Methylation of Enolate Anions

Gompper, Rudolf,Vogt, Hans-Hubert

, p. 2866 - 2883 (2007/10/02)

The ratio of O- and C-methylated products in the reaction of the sodium salts of acetophenones 1, propiophenones 3, phenylacetones 5, β-dicarbonyl compounds 12, α-cyanocarbonyl compounds 13, acetaldehyde, propionaldehyde, and diethylketone with dimethyl sulfate, methyl iodide, and trimethyl phosphate in HMPTA has been determined with regard to the effect of substituents.In some cases the influence of solvents, concentration and temperature has also been studied.

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