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P9630

Sigma-Aldrich

4-Pyridoxic acid

≥98%

Synonym(s):

2-Methyl-3-hydroxy-4-carboxy-5-hydroxymethylpyridine, 3-Hydroxy-5-(hydroxymethyl)-2-methyl-4-pyridinecarboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C8H9NO4
CAS Number:
82-82-6
Molecular Weight:
183.16
EC Number:
201-440-8
MDL number:
MFCD00006334
UNSPSC Code:
12352100
PubChem Substance ID:
57654574
NACRES:
NA.22

Quality Level

200

Assay

≥98%

form

powder

mp

258-261 °C (dec.) (lit.)

storage temp.

−20°C

SMILES string

Cc1ncc(CO)c(C(O)=O)c1O

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

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Application

4-Pyridoxic acid is a catabolite of vitamin B6. It has been used as a standard in the clinical spectrometric analysis of metabolites.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000398383
0000393426
0000372009
0000344241
0000372009

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Magdalena Jankowska et al.
Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation, 23(1), 57-64 (2012-03-27)
The study aimed to determine vitamin B6 status in elderly (age ≥ 60 years) and younger (age <60 years) recipients of allogeneic kidney graft and to investigate associations between vitamin B6 status and immunity markers. A retrospective observational study. The
Elisabeth Fabian et al.
Annals of nutrition & metabolism, 52(1), 29-36 (2008-01-31)
In vitro studies indicate that yoghurt bacteria are able to generate several water-soluble vitamins and therefore yoghurt could be a good source of these micronutrients. However, whether lactobacilli or other viable bacteria release the synthesized vitamins or utilize vitamins from
Chelation of by vitamin B 6 complex derivatives: Synthesis and characterization of [UO 2 (β-pyracinide) 2 (H2O)] and [UO2 (Pyr 2 en) DMSO] Cl2 {Pyr 2 en= N, N′-ethylenebis (pyridoxylideneiminato)}. A useful modeling of assimilation of uranium by living beings.
Back D F, et al.
Journal of Inorganic Biochemistry, 100(10), 1698-1704 (2006)
Ronita L Cromwell et al.
Medicine and science in sports and exercise, 50(9), 1909-1919 (2018-03-24)
The purpose of this article was to provide an overview of the National Aeronautics and Space Administration (NASA) 70-day Bed Rest Study. The integrated complement of investigations and the standardized bed rest environment that served as the platform for this
Øivind Midttun et al.
The American journal of clinical nutrition, 86(1), 131-138 (2007-07-10)
Vitamin B-6 exists in different forms; one of those forms, pyridoxal 5'-phosphate (PLP), serves a cofactor in many enzyme reactions, including the transsulfuration pathway, in which homocysteine is converted to cystathionine and then to cysteine. Data on the relations between
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