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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

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

Certificates of Analysis (COA)

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Oivind Midttun et al.
Clinical chemistry, 51(7), 1206-1216 (2005-06-25)
Homocysteine, a risk factor of cardiovascular disease, cognitive disorders, and pregnancy complications, exists at a point of metabolic convergence of several B vitamins, including vitamins B(6) and B(2) (riboflavin). Measurement of the various forms of these vitamins may be useful
Antitumour Effects of 4?Pyridoxate Diammine Hydroxy Platinum, a Novel Cisplatin Derivative, Against Malignant Gliomas In?vitro and In?vivo: A Comparison with Cisplatin.
Tokunaga Y, et al.
Pharmacy and Pharmacology Communications, 3(7), 353-356 (1997)
Arve Ulvik et al.
The American journal of clinical nutrition, 95(5), 1072-1078 (2012-04-12)
A negative association between systemic markers of inflammation and plasma vitamin B-6 has been observed in population-based and patient cohorts; however, vitamin B-6 (pyridoxine) treatment has mostly failed to improve inflammatory indexes. We aimed to assess the effect of pyridoxine
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
D Majchrzak et al.
Annals of nutrition & metabolism, 50(6), 485-491 (2006-09-22)
A vegetarian diet is considered to promote health and longevity and reduce the risk of cardiovascular diseases and cancer. However, a vegetarian diet may be deficient in some nutrients. Exclusion of animal products in vegetarian diets may affect the status
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