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5-(4-hydroxy-3-methoxyphenyl)pentanoic acid, also known as homovanillic acid (HVA), is a naturally occurring organic compound that serves as a metabolite of dopamine in the human body. It is formed through the enzymatic conversion of dopamine by the enzyme monoamine oxidase (MAO) into 3,4-dihydroxyphenylacetic acid (DOPAC), which is then further metabolized into HVA by catechol-O-methyltransferase (COMT). HVA plays a significant role in the regulation of neurotransmitter levels and is often used as a biomarker for assessing dopaminergic activity in the brain. Its chemical structure consists of a pentanoic acid chain with a 4-hydroxy-3-methoxyphenyl group attached, which contributes to its biological properties and functions.

6342-85-4

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6342-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6342-85-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,4 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6342-85:
(6*6)+(5*3)+(4*4)+(3*2)+(2*8)+(1*5)=94
94 % 10 = 4
So 6342-85-4 is a valid CAS Registry Number.

6342-85-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-(4-hydroxy-3-methoxyphenyl)pentanoic acid

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

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More Details:6342-85-4 SDS

6342-85-4Relevant academic research and scientific papers

PHARMACOLOGICALLY ACTIVE COMPOUNDS, METHODS FOR THE PREPARATION THEREOF AND COMPOSITIONS CONTAINING THE SAME

-

, (2008/06/13)

Pharmacologically active catechol derivatives of formula I I wherein R1 and R2 independently comprise hydrogen, alkyl, acyl, optionally substituted aroyl, lower alkylsulfonyl or alkylcabamoyl or taken together form a lower alkylidene or cycloalkylidene, X comprises an electronegative substituent such as halogen, nitro, cyano, lower alkylsulfonyl, sulfonamido, aldehyde, caboxyl or trifluoromethyl and R3 comprises hydrogen, halogen, hydroxy alkyl, amino, nitro, cyano, trifluoromethyl, lower alkylsulfonyl, sulfonamide, aldehyde, alkyl carbonyl, aralkylidene carbonyl or carboxyl or a group selected from wherein R4 comprises hydrogen, alkyl, cyano, carboxyl or acyl and R5 comprises hydrogen, cyano, carboxyl, alkoxycarbonyl, carboxyalkenyl, nitro, acyl, optionally substituted aroyl or heteroaroyl, hydroxyalkyl or carboxyalkyl or R4 and R5 together form a five to seven membered substituted cycloalkanone ring; -(CO)n(CH2)m-COR wherein n is 0-1 and m is 0-7 and R comprises hydroxy, alkyl, carboxyalkyl, optionally substituted alkene, alkoxy or optionally substituted amino; wherein R8 and R9 independently comprise hydrogen or one of the following optionally substituted groups; alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl, or together form an optionally substituted piperidyl group; -NH-CO-R10 wherein R10 comprises a substituted alkyl group

Synthesis of Some Novel Potent and Selective Catechol O-Methyltransferase Inhibitors

Baeckstroem, Reijo,Honkanen, Erkki,Pippuri, Aino,Kairisalo, Pekka,Pystynen, Jarmo,et al.

, p. 841 - 846 (2007/10/02)

A series of disubstituted catechol derivatives was synthesized and tested as potential COMT inhibitors.The most active compounds were more than 1000 times more potent (IC 50 = 3-6 nM) in vitro than the known COMT inhibitor, 3',4'-dihydroxy-2-methylpropiop

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