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2-Pentenoic acid, 4-oxo-, (2E)-, also known as E-4-oxopent-2-enoic acid, is a chemical compound with the molecular formula C5H6O3. It is a conjugated dienoic acid, characterized by the presence of two carbon-carbon double bonds separated by a single carbon-carbon single bond, along with a carbonyl group. This specific geometric isomer, denoted as (2E)-, indicates that the double bonds are in the E configuration, meaning that the highest priority substituents are on opposite sides of the double bond. 2-Pentenoic acid, 4-oxo-, (2E)- is an important intermediate in organic synthesis and can be used in the production of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is typically synthesized through various chemical reactions, such as the oxidation of alkenes or the condensation of aldehydes and ketones. Due to its reactivity, it is often used in the formation of complex molecules and has applications in the fields of chemistry, biology, and materials science.

2833-28-5

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2833-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2833-28-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,3 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2833-28:
(6*2)+(5*8)+(4*3)+(3*3)+(2*2)+(1*8)=85
85 % 10 = 5
So 2833-28-5 is a valid CAS Registry Number.

2833-28-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (E)- 4-oxopent-2-enoic acid

1.2 Other means of identification

Product number -
Other names trans-4-oxo-2-pentenoic acid

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:2833-28-5 SDS

2833-28-5Relevant academic research and scientific papers

Acid-mediated coupling of γ-hydroxybutenolides and aldehydes: Synthesis of a new class of spirocyclic ketal-lactones

Munoz, Alberto,Murelli, Ryan P.

supporting information, p. 6779 - 6781,3 (2012/12/13)

In the presence of trimethylsilyl trifluoromethanesulfonate (TMSOTf), γ-methyl-γ-hydroxybutenolide reacts with aromatic aldehydes to generate a new class of stereochemically rich spirocyclic ketal-lactones in good yields and with excellent stereoselectivities. We believe that this process takes place through the in situ generation of protoanemonin followed by a Prins reaction. Herein, we describe this discovery, along with substrate scope and preliminary mechanistic studies.

Acid-mediated coupling of γ-hydroxybutenolides and aldehydes: Synthesis of a new class of spirocyclic ketal-lactones

Munoz, Alberto,Murelli, Ryan P.

supporting information, p. 6779 - 6781 (2013/01/15)

In the presence of trimethylsilyl trifluoromethanesulfonate (TMSOTf), γ-methyl-γ-hydroxybutenolide reacts with aromatic aldehydes to generate a new class of stereochemically rich spirocyclic ketal-lactones in good yields and with excellent stereoselectivi

Assessment of the Active-Site Requirements of 5-Aminolaevulinic Acid Dehydratase: Evaluation of Substrate and Product Analogues as Competitive Inhibitors

Lueoend, Rainer M.,Walker, Josef,Neier, Reinhard W.

, p. 5005 - 5013 (2007/10/02)

The enzyme 5-aminolaevulinic acid dehydratase (ALAD) is resonsible for the synthesis of porphobilinogen (PBG) from two molecules of 5-aminolaevulinic acid (ALA).Porphobilinogen is an important committed intermediate in the biosynthesis of tetrapyrroles.Th

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