Endogenous Metabolite (EM) Information
EM ID
EM00075
EM Name
Pyridoxic acid
Synonyms
4-Pyridoxic acid; Pyridoxic acid; 4-Pyridoxylic acid; 4-Pyridoxinic acid; 4-Pyridoxinsaeure; 4-Pyridoxinecarboxylic acid; 4-Pyridoxate; 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinic acid; 2-Methyl-3-hydroxy-4-carboxy-5-hydroxymethylpyridine; 4-Pyridoxinate; 4-Pyridoxylate; 3-Hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridinecarboxylic acid; 4-Pyridoxinsaeure [German]; 4-Pyridinecarboxylic acid, 3-hydroxy-5-(hydroxymethyl)-2-methyl-; NSC 41814; UNII-5K18793O8D; 4-Pyridoxinecarboxylate
Structure
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3D MOL 2D MOL
Formula
C8H9NO4
Canonical SMILES
CC1=NC=C(C(=C1O)C(=O)O)CO
InChI
InChI=1S/C8H9NO4/c1-4-7(11)6(8(12)13)5(3-10)2-9-4/h2,10-11H,3H2,1H3,(H,12,13)
InChIKey
HXACOUQIXZGNBF-UHFFFAOYSA-N
CAS Number
CAS 82-82-6
Pharmaceutical Properties Molecular Weight 183.16 Topological Polar Surface Area 90.6
Heavy Atom Count 13 Rotatable Bond Count 2
Hydrogen Bond Donor Count 3 Hydrogen Bond Acceptor Count 5
XLogP
0.1
PubChem CID
6723
ChEBI ID
CHEBI:17405
DT(s) "handling" This EM MRP6 Transporter Info Multidrug resistance-associated protein 6 [1]
MRP6 Transporter Info Multidrug resistance-associated protein 6 [1]
OAT1 Transporter Info Organic anion transporter 1 [2]
OAT3 Transporter Info Organic anion transporter 3 [3]
OAT4 Transporter Info Organic anion transporter 4 [4]
References
1 Untargeted Metabolomics Analysis of ABCC6-Deficient Mice Discloses an Altered Metabolic Liver Profile. J Proteome Res. 2016 Dec 2;15(12):4591-4600.
2 Untargeted metabolomics identifies enterobiome metabolites and putative uremic toxins as substrates of organic anion transporter 1 (Oat1). J Proteome Res. 2011 Jun 3;10(6):2842-51.
3 The drug transporter OAT3 (SLC22A8) and endogenous metabolite communication via the gut-liver-kidney axis. J Biol Chem. 2017 Sep 22;292(38):15789-15803.
4 Discovery and Validation of Pyridoxic Acid and Homovanillic Acid as Novel Endogenous Plasma Biomarkers of Organic Anion Transporter (OAT) 1 and OAT3 in Cynomolgus Monkeys. Drug Metab Dispos. 2018 Feb;46(2):178-188.

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