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Merck
CN

P9630

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
NACRES:
NA.22
PubChem Substance ID:
57654574
UNSPSC Code:
12352100
EC Number:
201-440-8
MDL number:
MFCD00006334
Assay:
≥98%
Form:
powder

Key Documents

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Product Name

4-Pyridoxic acid, ≥98%

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

SMILES string

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

assay

≥98%

form

powder

mp

258-261 °C (dec.) (lit.)

storage temp.

−20°C

Quality Level

200

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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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 2

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000497199
0000497199
0000436748
0000436749
0000436749

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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
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
Marwa Fouad Mansour et al.
Electrophoresis, 39(20), 2540-2549 (2018-04-21)
Since no proper method is available in literature for the analysis of pyridoxal-5'-phosphate, a reversed phase liquid chromatographic method was developed and validated for specificity, sensitivity, linearity, precision and accuracy. Nine potential related substances and forced degradation products could be
Fang Wu et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 22(3), 890-897 (2007-10-30)
Histamine, a biogenic amine with important biological functions, is produced from histidine by histidine decarboxylase (HDC), a pyridoxal 5'-phosphate-dependent enzyme. HDC is thus a potential target to attenuate histamine production in certain pathological states. Targeting mammalian HDC with novel inhibitors
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
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