Exact Mass: 142.026

Exact Mass Matches: 142.026

Found 79 metabolites which its exact mass value is equals to given mass value 142.026, within given mass tolerance error 0.001 dalton. Try search metabolite list with more accurate mass tolerance error 0.0002 dalton.

cis,cis-Muconic acid

(2Z,4Z)-HEXA-2,4-dienedioIC ACID

C6H6O4 (142.0266)


cis-cis-Muconic acid is a presumptive metabolite of benzene. Muconic acid was first isolated from the urine of rabbits and dogs in 1909 (M. Jaffe, Z Physiol Chem 62:58-67). It was originally thought that if muconic acid was formed by the opening of the benzene ring in vivo then the cis-cis isomer should be the initial (and primary) product. However subsequent studies conducted in the 1950s proved that trans-trans-muconic acid is a true metabolite of benzene in mammals (Parke DV, Williams RT. Biochem J 51:339-348 (1952)). Furthermore, dosing rabbits with phenol or catechol also resulted in the urinary excretion of trans-trans-muconic acid. The oxidative ring opening of benzene first gives rise to cis-cis-muconaldehyde, which then isomerizes to cis-trans- and trans-trans-muconaldehyde; the latter is oxidized in vivo to trans-trans-muconic acid. Isomerization of the trans-trans form may take place in vivo to yield small amounts if the cis-cis and cis-trans form of muconic acid. cis-cis-Muconic acid may also be generated from microbial fermentation of benzoic acid. Certain strains of arthobacter are particularly efficient at this process. cis-cis-Muconic acid can also be found in Pseudomonas and Escherichia coli (https://link.springer.com/article/10.1007/BF00250491) (PMID:26360870). Cis-cis-muconic acid is a presumptive metabolite of benzene. Muconic acid was first isolated from the urine of rabbits and dogs in 1909 ( M. Jaffe, Z Physiol Chem 62:58-67). It was originally thought that if muconic acid were formed by opening of the benzene ring in vivo then the cis-cis isomer should be the initial (and primary) product. However subsequent studies conducted in the 1950s proved that trans-trans-muconic acid is a true metabolite of benzene in mammals (Parke DV, Williams RT. Biochem J 51:339-348 (1952)). Furthermore, dosing rabbits with phenol or catechol also resulted in the urinary excretion of trans-trans-muconic acid. The oxidative ring opening of benzene first gives rise to cis-cis-muconaldehyde, which then isomerizes to cis-trans- and trans-trans-muconaldehyde; the latter is oxidized in vivo to trans-trans-muconic acid. Isomerization of the trans-trans form may take place in vivo to yield small amounts if the cis-cis and cis-trans form of muconic acid. Cis-cis muconic acid may also be generated from microbial fermentation of benzoic acid. Certain strains of arthobacter are particularly efficient at this process. [HMDB] KEIO_ID M105 cis,cis-Muconic acid, a metabolic intermediate of Klebsiella pneumonia, can be converted to adipic acid and terephthalic acid, which are important monomers of synthetic polymers. cis,cis-Muconic acid is also a biochemical material that can be used for the production of various plastics and polymers and is particularly gaining attention as an adipic acid precursor for the synthesis of nylon-6,6[1][2].

   

Kojic acid

5-((3-Aminopropyl)phosphinooxy)-2-(hydroxymethyl)-4H-pyran-4-one

C6H6O4 (142.0266)


Kojic acid is a synthetic intermediate for production of food additives. It has been found to be a metabolite in Aspergillus (Hugo Vanden Bossche, D.W.R. Mackenzie and G. Cauwenbergh. Aspergillus and Aspergillosis, 1987). Synthetic intermed. for prodn. of food additives Kojic acid is a natural substance produced by Aspergillus oryzae, also used as an anti-oxidant and radio-protective agent[1]. Kojic acid is a natural substance produced by Aspergillus oryzae, also used as an anti-oxidant and radio-protective agent[1].

   

hydroxymuconic semialdehyde

2-hydroxy-6-oxohexa-2,4-dienoic acid

C6H6O4 (142.0266)


   

3-Oxoadipate enol-lactone

5-oxo-4,5-dihydro-2-furylacetic acid

C6H6O4 (142.0266)


   

1,2,3,5-Benzenetetrol

1,2,3,5-Tetrahydroxybenzene

C6H6O4 (142.0266)


   

Muconolactone

4-Carboxymethyl-4-hydroxyisocrotonolactone

C6H6O4 (142.0266)


   

4-Hydroxymuconic semialdehyde

cis,cis-4-Hydroxymuconic semialdehyde; 4-Hydroxymuconic semialdehyde

C6H6O4 (142.0266)


   

Sumiki's acid

5-(Hydroxymethyl)-2-furancarboxylic acid

C6H6O4 (142.0266)


Sumikis acid is a naturally occurring human metabolite (PMID:949837). Sumikis acid was first identified in the urine of a leukemic patient who was excreting an abnormal amount of its glycine derivative (PMID:5043270). Sumikis acid was found to be excreted by normal subjects after a phenylalanine loading, while heterozygotes for phenylketonuria dont excrete it (instead, they excrete 2-hydroxybenzeneacetic acid) (PMID:4708049). Patients receiving furan-containing sugar solutions i.v. convert 50\\\\% of the 5-hydroxymethyl-2-furfural into Sumikis acid (PMID:4202014). Sumikis acid has been found to be a byproduct of the fungus Aspergillus and probably other species of fungi and yeast as well. Sumikis acid is a naturally occurring human metabolite. (PMID: 949837) Sumikis acid was first identified in the urine of a leukemic patient who was excreting an abnormal amount of its glycine derivative. (PMID: 5043270) 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally. 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally.

   

2-(dihydroxymethyl)-5-formylfuran

2-(dihydroxymethyl)-5-formylfuran

C6H6O4 (142.0266)


   

kojic acid

4H-Pyran-4-one, 5-hydroxy-2-(hydroxymethyl)-

C6H6O4 (142.0266)


A pyranone that is 4H-pyran substituted by a hydroxy group at position 5, a hydroxymethyl group at position 2 and an oxo group at position 4. It has been isolated from the fungus Aspergillus oryzae. D020011 - Protective Agents > D000975 - Antioxidants CONFIDENCE Reference Standard (Level 1) relative retention time with respect to 9-anthracene Carboxylic Acid is 0.107 Kojic acid is a natural substance produced by Aspergillus oryzae, also used as an anti-oxidant and radio-protective agent[1]. Kojic acid is a natural substance produced by Aspergillus oryzae, also used as an anti-oxidant and radio-protective agent[1].

   

(e,e)-Muconate

1,3-Butadiene-1,4-dicarboxylic acid

C6H6O4 (142.0266)


trans-trans-Muconic acid is a urinary metabolite of benzene and has been used as a biomarker of exposure to benzene in human.

   

(+)-Muconolactone

(S)-5-Oxo-2,5-dihydrofuran-2-acetate

C6H6O4 (142.0266)


   

trans-trans-Muconic acid

trans,trans-Buta-1,3-diene-1,4-dicarboxylic acid

C6H6O4 (142.0266)


trans,trans-Muconic acid is a urinary metabolite of benzene and has been used as a biomarker of exposure to benzene in humans exposed to levels as low as 1 ppm. However, muconic acid may also be derived from sorbic acid and its salts. Dietary supplementation with 500 mg sorbic acid significantly increases the urinary trans,trans-muconic acid excretion. Under study conditions, 0.12\\\\% of the sorbic acid dose is excreted in urine as trans,trans-muconic acid thereby indicating that a typical dietary intake of 6-30 mg/day of sorbic acid accounts for 10-50\\\\% of the background of trans,trans-muconic acid excretion in nonsmokers, and for 5-25\\\\% in smokers (PMID: 8021961, 1487326, 9137998, Int Arch Occup Environ Health. 1997;69(4):247-51.). trans,trans-Muconic acid has been found to be a metabolite in Escherichia coli and Pseudomonas putida (PMID: 26360870). cis,cis-Muconic acid, a metabolic intermediate of Klebsiella pneumonia, can be converted to adipic acid and terephthalic acid, which are important monomers of synthetic polymers. cis,cis-Muconic acid is also a biochemical material that can be used for the production of various plastics and polymers and is particularly gaining attention as an adipic acid precursor for the synthesis of nylon-6,6[1][2]. trans-trans-Muconic acid is a urinary metabolite of benzene and has been used as a biomarker of exposure to benzene in human.

   

5-Hydroxymaltol

3,5-Dihydroxy-2-methyl-4H-pyran-4-one (hydroxymaltol)

C6H6O4 (142.0266)


5-Hydroxymaltol is found in cereals and cereal products. 5-Hydroxymaltol is a constituent of flavour of roast barley Hordeum vulgare. Constituent of flavour of roast barley Hordeum vulgare. 5-Hydroxymaltol is found in barley and cereals and cereal products.

   

1,2,3,4-Benzenetetrol

1,2,3,4-Benzenetetrol

C6H6O4 (142.0266)


   

2,3-Methylenesuccinic acid

dimethylidenebutanedioic acid

C6H6O4 (142.0266)


2,3-Methylenesuccinic acid belongs to the family of Branched Fatty Acids. These are fatty acids containing a branched chain.

   

Cis,trans-muconate

1,3-Butadiene-1,4-dicarboxylic acid

C6H6O4 (142.0266)


Cis,trans-muconate is also known as (e,Z)-Muconate or cis,trans-1,3-Butadiene-1,4-dicarboxylate.  Cis,trans-muconate is considered to be soluble (in water) and acidic condition. It can be found in Pseudomonas and Escherichia (https://link.springer.com/article/10.1007/BF00250491).

   

5-Hydroxy-3-methoxy-4H-pyran-4-one

5-Hydroxy-3-methoxy-4H-pyran-4-one

C6H6O4 (142.0266)


   

NSC693434

NSC693434

C6H6O4 (142.0266)


   

3-hydroxy-5-methoxypyran-4-one

3-hydroxy-5-methoxypyran-4-one

C6H6O4 (142.0266)


   

1-(Furan-2-yl)-2,2-dihydroxyethan-1-one

1-(Furan-2-yl)-2,2-dihydroxyethan-1-one

C6H6O4 (142.0266)


   

2-Hydroxy-2-(hydroxymethyl)cyclopent-4-ene-1,3-dione

2-Hydroxy-2-(hydroxymethyl)cyclopent-4-ene-1,3-dione

C6H6O4 (142.0266)


   

ACMC-20muw3

ACMC-20muw3

C6H6O4 (142.0266)


   

5-(Hydroxymethyl)furan-3-carboxylic acid

5-(Hydroxymethyl)furan-3-carboxylic acid

C6H6O4 (142.0266)


   

2-Hydroxymethyl-3-hydroxy-pyran-4(1H)-one

2-Hydroxymethyl-3-hydroxy-pyran-4(1H)-one

C6H6O4 (142.0266)


   

2-hydroxy-6-(hydroxymethyl)-4h-pyran-4-one

2-hydroxy-6-(hydroxymethyl)-4h-pyran-4-one

C6H6O4 (142.0266)


   

cis,cis-Muconic acid

cis,cis-Muconic acid

C6H6O4 (142.0266)


The cis,cis-isomer of muconic acid. It is produced during the degradation of chlorobenzene by bacteria like Bacillus. cis,cis-Muconic acid, a metabolic intermediate of Klebsiella pneumonia, can be converted to adipic acid and terephthalic acid, which are important monomers of synthetic polymers. cis,cis-Muconic acid is also a biochemical material that can be used for the production of various plastics and polymers and is particularly gaining attention as an adipic acid precursor for the synthesis of nylon-6,6[1][2].

   

trans-trans-muconic acid

trans-trans-muconic acid

C6H6O4 (142.0266)


trans,trans-Muconic acid is a urinary metabolite of benzene and has been used as a biomarker of exposure to benzene in humans exposed to levels as low as 1 ppm. However, muconic acid is known that may also be derived from sorbic acid and its salts. Dietary supplementation with 500 mg sorbic acid significantly increases the urinary trans,trans-Muconic acid excretion. Under study conditions 0.12\\\% of the sorbic acid dose is excreted in urine as trans, trans muconic acid thereby indicating that a typical dietary intake of 6 - 30 mg/day of sorbic acid accounts for 10 -50\\\% of the background of trans, trans muconic acid excretion in nonsmokers, and for 5 - 25\\\% in smokers. (PMID 8021961, 1487326, 9137998, Int Arch Occup Environ Health. 1997;69(4):247-51.) [HMDB] trans-trans-Muconic acid is a urinary metabolite of benzene and has been used as a biomarker of exposure to benzene in human.

   

5-Hydroxymethyl-2-furancarboxylic acid

5-Hydroxymethyl-2-furancarboxylic acid

C6H6O4 (142.0266)


5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally. 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally.

   

Kojic acid_major

Kojic acid_major

C6H6O4 (142.0266)


   

5-(hydroxymethyl)- 2-Furancarboxylic acid

5-(hydroxymethyl)- 2-Furancarboxylic acid

C6H6O4 (142.0266)


   

Hydroxymaltol

3,5-Dihydroxy-2-methyl-4H-pyran-4-one (hydroxymaltol)

C6H6O4 (142.0266)


   

FA 6:3;O2

(2E,4Z)-4-hydroxy-6-oxohexa-2,4-dienoic acid

C6H6O4 (142.0266)


cis,cis-Muconic acid, a metabolic intermediate of Klebsiella pneumonia, can be converted to adipic acid and terephthalic acid, which are important monomers of synthetic polymers. cis,cis-Muconic acid is also a biochemical material that can be used for the production of various plastics and polymers and is particularly gaining attention as an adipic acid precursor for the synthesis of nylon-6,6[1][2].

   

trans-3-methylenecyclopropane-1,2-dicarboxylic acid

trans-3-methylenecyclopropane-1,2-dicarboxylic acid

C6H6O4 (142.0266)


   

2-Furancarboxylicacid,5-methoxy-(9CI)

2-Furancarboxylicacid,5-methoxy-(9CI)

C6H6O4 (142.0266)


   

Dimethyl acetylenedicarboxylate

Dimethyl acetylenedicarboxylate

C6H6O4 (142.0266)


   

pentaacetyl-5-thioglucose

pentaacetyl-5-thioglucose

C6H6O4 (142.0266)


   

4-Fluoro benzyl mercaptan

4-Fluoro benzyl mercaptan

C7H7FS (142.0252)


   

5-Methylthiophene-2-boronic acid

5-Methylthiophene-2-boronic acid

C5H7BO2S (142.026)


   

3-Fluoro-4-methylbenzenethiol

3-Fluoro-4-methylbenzenethiol

C7H7FS (142.0252)


   

3-methyl-2-thienylboronic acid

3-methyl-2-thienylboronic acid

C5H7BO2S (142.026)


   

(2-methylthiophen-3-yl)boronic acid

(2-methylthiophen-3-yl)boronic acid

C5H7BO2S (142.026)


   

(4-Methyl-3-thienyl)boronic acid

(4-Methyl-3-thienyl)boronic acid

C5H7BO2S (142.026)


   

3-fluorothioanisole

3-fluorothioanisole

C7H7FS (142.0252)


   

2-Fluoro thioanisole

2-Fluoro thioanisole

C7H7FS (142.0252)


   

Dimethyl squarate

Dimethyl squarate

C6H6O4 (142.0266)


   

alpha-hydroxyfuran-2-acetic acid

alpha-hydroxyfuran-2-acetic acid

C6H6O4 (142.0266)


   

5-methoxy-6-methyl-3,4-Pyridinedicarbonitrile

5-methoxy-6-methyl-3,4-Pyridinedicarbonitrile

C6H6O4 (142.0266)


   

4-methyl-2-thienylboronic acid

4-methyl-2-thienylboronic acid

C5H7BO2S (142.026)


   

1-FURAN-2-YL-2,2-DIHYDROXY-ETHANONE

1-FURAN-2-YL-2,2-DIHYDROXY-ETHANONE

C6H6O4 (142.0266)


   

4-Fluoro-2-methylbenzenethiol

4-Fluoro-2-methylbenzenethiol

C7H7FS (142.0252)


   

4-Fluoro thioanisole

4-Fluoro thioanisole

C7H7FS (142.0252)


   

Sumikis acid

InChI=1\C6H6O4\c7-3-4-1-2-5(10-4)6(8)9\h1-2,7H,3H2,(H,8,9

C6H6O4 (142.0266)


5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally. 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally.

   

Dimethylmaleate

Dimethylmaleate

C6H6O4-2 (142.0266)


   

2-Methyleneglutarate

2-Methyleneglutarate

C6H6O4-2 (142.0266)


   

(S)-5-oxo-2,5-dihydro-2-furylacetic acid

(S)-5-oxo-2,5-dihydro-2-furylacetic acid

C6H6O4 (142.0266)


   

(R)-3-methylitaconate

(R)-3-methylitaconate

C6H6O4-2 (142.0266)


   

3-Methyl-2-pentenedioate

3-Methyl-2-pentenedioate

C6H6O4-2 (142.0266)


   

(2Z,5Z)-6-hydroxy-4-oxohexa-2,5-dienoic acid

(2Z,5Z)-6-hydroxy-4-oxohexa-2,5-dienoic acid

C6H6O4 (142.0266)


   

(2E,5Z)-6-hydroxy-4-oxohexa-2,5-dienoic acid

(2E,5Z)-6-hydroxy-4-oxohexa-2,5-dienoic acid

C6H6O4 (142.0266)


   

Cyclobutane-1,1-dicarboxylate

Cyclobutane-1,1-dicarboxylate

C6H6O4-2 (142.0266)


D019995 - Laboratory Chemicals > D007202 - Indicators and Reagents > D003432 - Cross-Linking Reagents D000970 - Antineoplastic Agents

   

2-Methyl-3-methylidenebutanedioate

2-Methyl-3-methylidenebutanedioate

C6H6O4-2 (142.0266)


   

(R)-5-oxo-2,5-dihydro-2-furylacetic acid

(R)-5-oxo-2,5-dihydro-2-furylacetic acid

C6H6O4 (142.0266)


   

1,2,3,5-Tetrahydroxybenzene

1,2,3,5-Tetrahydroxybenzene

C6H6O4 (142.0266)


   

5-oxo-4,5-dihydro-2-furylacetic acid

5-oxo-4,5-dihydro-2-furylacetic acid

C6H6O4 (142.0266)


The 4,5-dihydro- derivative of 5-oxo-2-furylacetic acid.

   

cis,trans-Muconic acid

cis,trans-Muconic acid

C6H6O4 (142.0266)


   

(2Z,4E)-4-hydroxy-6-oxohexa-2,4-dienoic acid

(2Z,4E)-4-hydroxy-6-oxohexa-2,4-dienoic acid

C6H6O4 (142.0266)


   

trans,trans-Muconic Acid

trans,trans-Muconic Acid

C6H6O4 (142.0266)


The trans,trans-isomer of muconic acid. It is metabolite of benzene in humans and serves as a biomarker of occupational exposure to benzene. trans-trans-Muconic acid is a urinary metabolite of benzene and has been used as a biomarker of exposure to benzene in human.

   

5-Hydroxymaltol

5-Hydroxymaltol

C6H6O4 (142.0266)


   

2,3-Methylenesuccinic acid

2,3-Methylenesuccinic acid

C6H6O4 (142.0266)


   

1,2,3,4-Benzenetetrol

1,2,3,4-Benzenetetrol

C6H6O4 (142.0266)


   

(2E,4Z)-4-hydroxy-6-oxohexa-2,4-dienoic acid

(2E,4Z)-4-hydroxy-6-oxohexa-2,4-dienoic acid

C6H6O4 (142.0266)


   

5-Hydroxymethyl-2-furoic acid

5-Hydroxymethyl-2-furoic acid

C6H6O4 (142.0266)


A member of the class of furoic acids that is 2-furoic acid substituted at position 5 by a hydroxymethyl group. 5-(Hydroxymethyl)-2-furancarboxylic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. https://commonchemistry.cas.org/detail?cas_rn=6338-41-6 (retrieved 2024-07-16) (CAS RN: 6338-41-6). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0). 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally. 5-Hydroxymethyl-2-furancarboxylic acid is the main metabolite of 5-hydroxymethyl-2-furfural (HMF) in the body and eliminated renally.

   

Muconic acid

Muconic acid

C6H6O4 (142.0266)


A hexadienedioic acid with unsaturation at positions 2 and 4.

   

2-hydroxy-3-oxo-6h-pyran-2-carbaldehyde

2-hydroxy-3-oxo-6h-pyran-2-carbaldehyde

C6H6O4 (142.0266)


   

benzene-1,2,3,4-tetrol

benzene-1,2,3,4-tetrol

C6H6O4 (142.0266)


   

5-hydroxy-4-(hydroxymethyl)pyran-2-one

5-hydroxy-4-(hydroxymethyl)pyran-2-one

C6H6O4 (142.0266)


   

3-hydroxy-2-(hydroxymethyl)pyran-4-one

3-hydroxy-2-(hydroxymethyl)pyran-4-one

C6H6O4 (142.0266)


   

5-hydroxy-3-methylfuran-2-carboxylic acid

5-hydroxy-3-methylfuran-2-carboxylic acid

C6H6O4 (142.0266)