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Benzenepropanoic acid, b-oxo-a-(1-oxo-4-pentenyl)-, methyl ester is a complex organic compound with the chemical formula C12H14O4. It is a derivative of benzenepropanoic acid, featuring a methyl ester group attached to the carboxylic acid moiety. The compound has a b-oxo group and an a-(1-oxo-4-pentenyl) substituent, which contributes to its unique structure and properties. This molecule is characterized by its aromatic ring, a carbonyl group, and a pentenyl side chain with a double bond, making it a versatile building block in organic synthesis. It is used in the production of various pharmaceuticals, fragrances, and other chemical products due to its reactive functional groups and potential for further chemical modification.

142920-94-3

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142920-94-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142920-94-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,2 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 142920-94:
(8*1)+(7*4)+(6*2)+(5*9)+(4*2)+(3*0)+(2*9)+(1*4)=123
123 % 10 = 3
So 142920-94-3 is a valid CAS Registry Number.

142920-94-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name methyl 2-benzoyl-3-oxohept-6-enoate

1.2 Other means of identification

Product number -
Other names -

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

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More Details:142920-94-3 SDS

142920-94-3Relevant academic research and scientific papers

Photochemical Reaction of 2-Acyloxy-1-methoxycarbonylcyclohexenes: an Efficient Aliphatic Photo-Fries Rearrangement and a Novel 1,5-Aroyl Migration

Seto, Hideharu,Kosemura, Hajime,Fujimoto, Yasuo

, p. 908 - 910 (2007/10/02)

Upon irradiation 2-acyloxy-1-methoxycarbonylcyclohexenes readily undergo photo-Fries rearrangement to give 2-acyl-2-methoxycarbonylcyclohexanones in good yields and among them 2-aroyloxy-1-methoxycarbonylcyclohexenes also undergo a novel 1,5-aroyl migration according to irradiation conditions to give 4-aroyl-2-methoxycarbonylcyclohexanones, which result from 1,3-aroyl migration following photo-Fries rearrangement.

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