Exact Mass: 303.1682
Exact Mass Matches: 303.1682
Found 87 metabolites which its exact mass value is equals to given mass value 303.1682,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
SCHEMBL4290912
D006133 - Growth Substances > D010937 - Plant Growth Regulators > D007210 - Indoleacetic Acids
Valyltryptophan
Valyltryptophan is a dipeptide composed of valine and tryptophan. It is an incomplete breakdown product of protein digestion or protein catabolism. Dipeptides are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond. Some dipeptides are known to have physiological or cell-signalling effects although most are simply short-lived intermediates on their way to specific amino acid degradation pathways following further proteolysis. C78274 - Agent Affecting Cardiovascular System > C270 - Antihypertensive Agent C471 - Enzyme Inhibitor > C783 - Protease Inhibitor > C247 - ACE Inhibitor Dipeptide 2 (N-Valyltryptophan; Val-Trp) is a bioactive peptide with anti-aging effect and has been reported used as a cosmetic ingredient[1].
Tryptophyl-Valine
Tryptophyl-Valine is a dipeptide composed of tryptophan and valine. It is an incomplete breakdown product of protein digestion or protein catabolism. Some dipeptides are known to have physiological or cell-signaling effects although most are simply short-lived intermediates on their way to specific amino acid degradation pathways following further proteolysis. This dipeptide has not yet been identified in human tissues or biofluids and so it is classified as an Expected metabolite.
Pimelylcarnitine
Pimelylcarnitine is an acylcarnitine. More specifically, it is an pimelic acid ester of carnitine. Acylcarnitines were first discovered more than 70 year ago (PMID: 13825279). It is believed that there are more than 1000 types of acylcarnitines in the human body. The general role of acylcarnitines is to transport acyl-groups (organic acids and fatty acids) from the cytoplasm into the mitochondria so that they can be broken down to produce energy. This process is known as beta-oxidation. According to a recent review [Dambrova et al. 2021, Physiological Reviews], acylcarnitines (ACs) can be classified into 9 different categories depending on the type and size of their acyl-group: 1) short-chain ACs; 2) medium-chain ACs; 3) long-chain ACs; 4) very long-chain ACs; 5) hydroxy ACs; 6) branched chain ACs; 7) unsaturated ACs; 8) dicarboxylic ACs and 9) miscellaneous ACs. Short-chain ACs have acyl-groups with two to five carbons (C2-C5), medium-chain ACs have acyl-groups with six to thirteen carbons (C6-C13), long-chain ACs have acyl-groups with fourteen to twenty once carbons (C14-C21) and very long-chain ACs have acyl groups with more than 22 carbons. Pimelylcarnitine is therefore classified as a medium chain AC. As a medium-chain acylcarnitine pimelylcarnitine is somewhat less abundant than short-chain acylcarnitines. These are formed either through esterification with L-carnitine or through the peroxisomal metabolism of longer chain acylcarnitines (PMID: 30540494). Many medium-chain acylcarnitines can serve as useful markers for inherited disorders of fatty acid metabolism. Carnitine octanoyltransferase (CrOT, EC:2.3.1.137) is responsible for the synthesis of all medium-chain (MCAC, C5-C12) and medium-length branched-chain acylcarnitines in peroxisomes (PMID: 10486279). The study of acylcarnitines is an active area of research and it is likely that many novel acylcarnitines will be discovered in the coming years. It is also likely that many novel roles in health and disease will be uncovered. An excellent review of the current state of knowledge for acylcarnitines is available at [Dambrova et al. 2021, Physiological Reviews].
2,2-dimethylpentanedioylcarnitine
2,2-dimethylpentanedioylcarnitine is an acylcarnitine. More specifically, it is an 2,2-dimethylpentanedioic acid ester of carnitine. Acylcarnitines were first discovered more than 70 year ago (PMID: 13825279). It is believed that there are more than 1000 types of acylcarnitines in the human body. The general role of acylcarnitines is to transport acyl-groups (organic acids and fatty acids) from the cytoplasm into the mitochondria so that they can be broken down to produce energy. This process is known as beta-oxidation. According to a recent review [Dambrova et al. 2021, Physiological Reviews], acylcarnitines (ACs) can be classified into 9 different categories depending on the type and size of their acyl-group: 1) short-chain ACs; 2) medium-chain ACs; 3) long-chain ACs; 4) very long-chain ACs; 5) hydroxy ACs; 6) branched chain ACs; 7) unsaturated ACs; 8) dicarboxylic ACs and 9) miscellaneous ACs. Short-chain ACs have acyl-groups with two to five carbons (C2-C5), medium-chain ACs have acyl-groups with six to thirteen carbons (C6-C13), long-chain ACs have acyl-groups with fourteen to twenty once carbons (C14-C21) and very long-chain ACs have acyl groups with more than 22 carbons. 2,2-dimethylpentanedioylcarnitine is therefore classified as a medium chain AC. As a medium-chain acylcarnitine 2,2-dimethylpentanedioylcarnitine is somewhat less abundant than short-chain acylcarnitines. These are formed either through esterification with L-carnitine or through the peroxisomal metabolism of longer chain acylcarnitines (PMID: 30540494). Many medium-chain acylcarnitines can serve as useful markers for inherited disorders of fatty acid metabolism. Carnitine octanoyltransferase (CrOT, EC:2.3.1.137) is responsible for the synthesis of all medium-chain (MCAC, C5-C12) and medium-length branched-chain acylcarnitines in peroxisomes (PMID: 10486279). The study of acylcarnitines is an active area of research and it is likely that many novel acylcarnitines will be discovered in the coming years. It is also likely that many novel roles in health and disease will be uncovered. An excellent review of the current state of knowledge for acylcarnitines is available at [Dambrova et al. 2021, Physiological Reviews].
2-Ethylpentanedioylcarnitine
2-Ethylpentanedioylcarnitine is an acylcarnitine. More specifically, it is an 2-ethylpentanedioic acid ester of carnitine. Acylcarnitines were first discovered more than 70 year ago (PMID: 13825279). It is believed that there are more than 1000 types of acylcarnitines in the human body. The general role of acylcarnitines is to transport acyl-groups (organic acids and fatty acids) from the cytoplasm into the mitochondria so that they can be broken down to produce energy. This process is known as beta-oxidation. According to a recent review [Dambrova et al. 2021, Physiological Reviews], acylcarnitines (ACs) can be classified into 9 different categories depending on the type and size of their acyl-group: 1) short-chain ACs; 2) medium-chain ACs; 3) long-chain ACs; 4) very long-chain ACs; 5) hydroxy ACs; 6) branched chain ACs; 7) unsaturated ACs; 8) dicarboxylic ACs and 9) miscellaneous ACs. Short-chain ACs have acyl-groups with two to five carbons (C2-C5), medium-chain ACs have acyl-groups with six to thirteen carbons (C6-C13), long-chain ACs have acyl-groups with fourteen to twenty once carbons (C14-C21) and very long-chain ACs have acyl groups with more than 22 carbons. 2-Ethylpentanedioylcarnitine is therefore classified as a medium chain AC. As a medium-chain acylcarnitine 2-Ethylpentanedioylcarnitine is somewhat less abundant than short-chain acylcarnitines. These are formed either through esterification with L-carnitine or through the peroxisomal metabolism of longer chain acylcarnitines (PMID: 30540494). Many medium-chain acylcarnitines can serve as useful markers for inherited disorders of fatty acid metabolism. Carnitine octanoyltransferase (CrOT, EC:2.3.1.137) is responsible for the synthesis of all medium-chain (MCAC, C5-C12) and medium-length branched-chain acylcarnitines in peroxisomes (PMID: 10486279). The study of acylcarnitines is an active area of research and it is likely that many novel acylcarnitines will be discovered in the coming years. It is also likely that many novel roles in health and disease will be uncovered. An excellent review of the current state of knowledge for acylcarnitines is available at [Dambrova et al. 2021, Physiological Reviews].
Aptiganel
D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018691 - Excitatory Amino Acid Antagonists D002491 - Central Nervous System Agents > D018696 - Neuroprotective Agents C26170 - Protective Agent > C1509 - Neuroprotective Agent D020011 - Protective Agents
Zolmitriptan N-Oxide
(E)-N-methyl-N-(1-naphthylmethyl)-3-(4-hydroxyphenyl)-2-propen-1-amine
(-)-suaveoline|(6S,13S)-4-ethyl-6,7,12,13-tetrahydro-7-methyl-6,13-imino-5H-pyrido[3,4:5,6]cyclooct[1,2-b]indole|4-ethyl-7-methyl-6,7,12,13-tetrahydro-5H-6,13-epiazano-pyrido[3,4:5,6]cycloocta[1,2-b]indole|Suaveolin|suaveoline|Suaveoline +
2-[(3-isopropoy-O-beta-D-glucopyranosyl)oxy]-2-methylbutanenitrile
(E)-N-methyl-N-(1-naphthylmethyl)-3-(3-hydroxyphenyl)-2-propen-1-amine
Val Trp
Dipeptide 2 (N-Valyltryptophan; Val-Trp) is a bioactive peptide with anti-aging effect and has been reported used as a cosmetic ingredient[1].
TRP-Val
A dipeptide formed from L-tryptophan and L-valine residues.
Val-TRP
C78274 - Agent Affecting Cardiovascular System > C270 - Antihypertensive Agent C471 - Enzyme Inhibitor > C783 - Protease Inhibitor > C247 - ACE Inhibitor Dipeptide 2 (N-Valyltryptophan; Val-Trp) is a bioactive peptide with anti-aging effect and has been reported used as a cosmetic ingredient[1].
(2E)-N-(2,4-DIMETHYLPHENYL)-2-(HYDROXYIMINO)ACETAMIDE
tert-Butyl 4-(5H-pyrrolo[3,2-d]pyrimidin-4-yl)piperazine-1-carboxylate
Butoxamine hydrochloride
Butaxamine (Butoxamin) hydrochloride is a specific β2-adrenergic receptor blocker. Butaxamine hydrochloride inhibits the decreases in urine volume in ethanol-anesthetized, water-diuretic rats[1].
7-((1-METHYLPIPERIDIN-4-YL)METHOXY)-6-METHOXYQUINAZOLIN-4(3H)-ONE
Benzyl 4-(2-oxoimidazolidin-1-yl)piperidine-1-carboxylate
tert-butyl 4-(1,3-benzoxazol-2-yl)piperazine-1-carboxylate
4-[1-Methyl-5-(4-morpholinyl)-1H-benzimidazol-2-yl]butanoic acid
Aditoprim
C471 - Enzyme Inhibitor > C2153 - Dihydrofolate Reductase Inhibitor D004791 - Enzyme Inhibitors > D005493 - Folic Acid Antagonists C254 - Anti-Infective Agent > C52588 - Antibacterial Agent
5-tert-Butyl-4-diethylaminomethyl-2-methyl-furan-3-carboxylic acid hydrochloride
N,N-dimethyl-2-[5-[(2-oxo-1,3-oxazolidin-4-yl)methyl]-1H-indol-3-yl]ethanamine Oxide
(1-Tert-butyl-5-phenyl-1h-pyrrol-3-yl)(phenyl)methanone
(3Z,5Z)-3,5-bis[(4-methylphenyl)methylidene]piperidin-4-one
5-(3-Methylbutyl)-5-(2-pyridin-4-ylethyl)-1,3-diazinane-2,4,6-trione
O-pimelylcarnitine
An O-acylcarnitine in which the acyl group specified is pimelyl.
3-(1-methyl-2-oxoimidazo[4,5-b]pyridin-3-yl)-N-propan-2-ylpyrrolidine-1-carboxamide
(4S)-4-(6-carboxyhexanoyloxy)-4-(trimethylazaniumyl)butanoate
[(2R,3R,6S)-3-amino-6-[2-[4-(2-pyridinyl)-1-triazolyl]ethyl]-2-oxanyl]methanol
[(2R,3R,6R)-3-amino-6-[2-[4-(2-pyridinyl)-1-triazolyl]ethyl]-2-oxanyl]methanol
[(2R,3S,6S)-3-amino-6-[2-[4-(2-pyridinyl)-1-triazolyl]ethyl]-2-oxanyl]methanol
[(2S,3S,6R)-3-amino-6-[2-[4-(2-pyridinyl)-1-triazolyl]ethyl]-2-oxanyl]methanol
2-amino-3-methyl-4H-imidazol-5-one;2-(6-methoxy-1H-indol-3-yl)ethanamine
2-(2-Hydroxyethoxy)-N-(2-(dimethylamino)ethyl)-4-qutnolinecarboxamide
N(6)-[(indol-3-yl)acetyl]-L-lysine
D006133 - Growth Substances > D010937 - Plant Growth Regulators > D007210 - Indoleacetic Acids
Aptiganel
D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018691 - Excitatory Amino Acid Antagonists D002491 - Central Nervous System Agents > D018696 - Neuroprotective Agents C26170 - Protective Agent > C1509 - Neuroprotective Agent D020011 - Protective Agents
O-pimelyl-L-carnitine
An O-acyl-L-carnitine that is L-carnitine having a pimelyl group as the acyl substituent.
N(6)-[(indol-3-yl)acetyl]-L-lysine zwitterion
Zwitterionic form of N(6)-[(indol-3-yl)acetyl]-L-lysine arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3.
