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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
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
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
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)
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