4-Pyridoxic acid (Compound)

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ID	157
Name	4-Pyridoxic acid
Synonyms	Pyridoxic acid; Pyridoxate
Structure	MOL SDF PDB SMILES InChI Structure for EE000157 (4-Pyridoxic acid) 3D Structure for EE000157 (4-Pyridoxic acid) 4-Pyridoxic acid.mol Mrv1652303182019222D 13 13 0 0 0 0 999 V2000 -0.3582 1.0316 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.3574 0.2066 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.3574 -0.2052 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.0715 0.2080 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.7864 -0.2038 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 0.3582 -1.0302 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.3558 -1.4434 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 -1.0707 -1.0316 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.7848 -1.4448 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.0715 -0.2066 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.7864 0.2052 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 -1.0731 1.4434 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 0.3558 1.4448 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 2 3 1 0 0 0 0 3 4 1 0 0 0 0 4 5 1 0 0 0 0 3 6 2 0 0 0 0 6 7 1 0 0 0 0 7 8 2 0 0 0 0 8 9 1 0 0 0 0 8 10 1 0 0 0 0 10 11 1 0 0 0 0 2 10 2 0 0 0 0 1 12 2 0 0 0 0 1 13 1 0 0 0 0 M END > <DATABASE_ID> EE000157 > <DATABASE_NAME> test > <SMILES> CC1=NC=C(CO)C(C(O)=O)=C1O > <INCHI_IDENTIFIER> 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) > <INCHI_KEY> HXACOUQIXZGNBF-UHFFFAOYSA-N > <FORMULA> C8H9NO4 > <MOLECULAR_WEIGHT> 183.1614 > <EXACT_MASS> 183.053157781 > <JCHEM_ACCEPTOR_COUNT> 5 > <JCHEM_ATOM_COUNT> 22 > <JCHEM_AVERAGE_POLARIZABILITY> 17.185817118123126 > <JCHEM_BIOAVAILABILITY> 1 > <JCHEM_DONOR_COUNT> 3 > <JCHEM_FORMAL_CHARGE> 0 > <JCHEM_GHOSE_FILTER> 0 > <JCHEM_IUPAC> 3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carboxylic acid > <ALOGPS_LOGP> -0.08 > <JCHEM_LOGP> -0.7503333510578963 > <ALOGPS_LOGS> -1.32 > <JCHEM_MDDR_LIKE_RULE> 0 > <JCHEM_NUMBER_OF_RINGS> 1 > <JCHEM_PHYSIOLOGICAL_CHARGE> -1 > <JCHEM_PKA> 11.91317833557911 > <JCHEM_PKA_STRONGEST_ACIDIC> 2.5470192618835608 > <JCHEM_PKA_STRONGEST_BASIC> 4.090673374822506 > <JCHEM_POLAR_SURFACE_AREA> 90.65000000000002 > <JCHEM_REFRACTIVITY> 44.5456 > <JCHEM_ROTATABLE_BOND_COUNT> 2 > <JCHEM_RULE_OF_FIVE> 1 > <ALOGPS_SOLUBILITY> 8.71e+00 g/l > <JCHEM_TRADITIONAL_IUPAC> pyridoxic acid > <JCHEM_VEBER_RULE> 0 $$$$
Description	Metabolite of vitamin B6. Usually measured in urine.
Classification	Compounds > Chemical entities > Organic compounds > Organoheterocyclic compounds > Pyridines and derivatives > Pyridinecarboxylic acids and derivatives > Pyridinecarboxylic acids
CAS number	82-82-6
PubChem ID	6723
ChEBI ID	17405
FooDB ID	FDB021874
HMDB ID	HMDB0000017

Chemical data

MolDBi data

IUPAC Name	3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carboxylic acid
Traditional IUPAC Name	pyridoxic acid
Formula	C8H9NO4
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)
InChI Key	HXACOUQIXZGNBF-UHFFFAOYSA-N
Molecular weight	183.1614
Exact mass	183.053157781
SMILES	CC1=NC=C(CO)C(C(O)=O)=C1O

ClassyFire Taxonomy

Description	belongs to the class of organic compounds known as pyridinecarboxylic acids. Pyridinecarboxylic acids are compounds containing a pyridine ring bearing a carboxylic acid group.
Kingdom	Organic compounds
Super Class	Organoheterocyclic compounds
Class	Pyridines and derivatives
Sub Class	Pyridinecarboxylic acids and derivatives
Direct Parent	Pyridinecarboxylic acids
Alternative Parents	Methylpyridines Hydroxypyridines Vinylogous acids Heteroaromatic compounds Monocarboxylic acids and derivatives Carboxylic acids Azacyclic compounds Primary alcohols Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives Aromatic alcohols

Publications with 4-Pyridoxic acid

ID	Title	First author	Authors	Year	Journal	Volume	Issue	Pages	PubMed ID	DOI	Study design	No. of Biomarkers	No. of Intake values	No. of Concentration values	No. of Reproducibility values	No. of Correlation values	No. of Metabolomic associations	No. of Microbiota associations	No. of Cancer associations

Biomarker data

Measurements of 4-Pyridoxic acid in biospecimens

Concentration values

ID	Parent ID	Depth	Subject group	Population	Country	Cohort	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Measurement size	Detected (nb)	Detected (%)	Detected only?	Arithmethic mean	Arithmethic SD	Geometric mean	Geometric SD	Min	Min (detected)	Percentile_05	Percentile_10	Percentile_25	Median	Percentile_75	Percentile_90	Percentile_95	Max	Interquartile range	Mean 95% CI lower	Mean 95% CI upper	GMean 95% CI lower	GMean 95% CI upper	Unit	Converted arithmetic mean	Converted geometric mean	Converted median	Converted unit	Adjustment type	Adjusted on	Regressed on	Expressed as	Publication

Reproducibility values

ID	Excretion ID	Subject group	Population	Country	Cohort	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Arithmetic mean	Geometric mean	Median	Unit	Adjusted on	Reproducibility size	ICC	ICC 95% CI lower	ICC 95% CI upper	CV% WS	CV% BS	VAR WS	VAR BS	Publication

Associations of 4-Pyridoxic acid with exposures

Correlation values

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	Intake Time definition	Intake Assessment method	Intake	Intake detail	Supplement intakes included?	Intake Arithmetic mean	Intake Geometric mean	Intake Median	Intake Unit	Intake Adjusted on	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Biomarker Arithmetic mean	Biomarker Geometric mean	Biomarker Median	Biomarker Unit	Biomarker Adjusted on	Correlation size	Correlation type	Correlation value	Correlation 95% CI lower	Correlation 95% CI upper	Correlation p-value	Significant?	Measurement adjustment	Deattenuated?	Covariates	Publication

Metabolomic associations

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	No. of subjects	Intake Assessment method	Intake	Intervention dose	Biospecimen	Analytical method	Biomarker	Structural identification	Feature selection	Area under curve	Sensitivity	Specificity	PLS-DA VIP	Beta coefficient	Beta coefficient p-value	ANOVA p-value	Publication

Microbiota associations

ID	Biomarker	Experimental evidence	Organism	Biospecimen	Antibiotic	Bacterial source	Substrate	Publication

Associations of 4-Pyridoxic acid with cancer risk

Cancer associations

ID	Excretion ID	Subject group	Population	Country	Cohort	No. of subjects	No. of cases	No. of controls	Biospecimen	Analytical method	Biomarker	Biomarker detail	Cancer	Study design	Publication

Exposure data

Measurements of 4-Pyridoxic acid exposures in populations

Intake values

ID	Parent ID	Depth	Subject group	Population	Country	Cohort	Intake Time definition	Intake assessment tool	Intake food coverage	Intake time coverage	Intake Assessment method	Intake	Intake detail	Food description	Supplement intakes included?	Measurement size	Detected (nb)	Detected (%)	Detected only?	Arithmethic mean	Arithmethic SD	Geometric mean	Geometric SD	Min	Min (detected)	Percentile_05	Percentile_10	Percentile_25	Median	Percentile_75	Percentile_90	Percentile_95	Max	Interquartile range	Mean 95% CI lower	Mean 95% CI upper	GMean 95% CI lower	GMean 95% CI upper	Unit	Converted arithmetic mean	Converted geometric mean	Converted median	Converted unit	Adjustment type	Adjusted on	Regressed on	Expressed as	Publication

Associations of 4-Pyridoxic acid exposures with biomarkers

Correlation values

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	Intake Time definition	Intake Assessment method	Intake	Intake detail	Supplement intakes included?	Intake Arithmetic mean	Intake Geometric mean	Intake Median	Intake Unit	Intake Adjusted on	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Biomarker Arithmetic mean	Biomarker Geometric mean	Biomarker Median	Biomarker Unit	Biomarker Adjusted on	Correlation size	Correlation type	Correlation value	Correlation 95% CI lower	Correlation 95% CI upper	Correlation p-value	Significant?	Measurement adjustment	Deattenuated?	Covariates	Publication