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57803

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L-acide ascorbique

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Synonyme(s) :

Acide L-thréoascorbique, Facteur anti-scorbut, Vitamine C

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About This Item

Formule empirique (notation de Hill):
C6H8O6
Numéro CAS:
Poids moléculaire :
176.12
Numéro Beilstein :
84272
Numéro CE :
Numéro MDL:
Code UNSPSC :
41116107
ID de substance PubChem :
Nomenclature NACRES :
NA.24

Qualité

certified reference material
TraceCERT®

Niveau de qualité

Gamme de produits

TraceCERT®

Forme

solid

Durée de conservation

limited shelf life, expiry date on the label

Fabricant/nom de marque

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Technique(s)

HPLC: suitable
gas chromatography (GC): suitable

Pf

190-194 °C (dec.)

Application(s)

food and beverages

Format

neat

Température de stockage

20-25°C

Chaîne SMILES 

OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O

InChI

1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5+/m0/s1

Clé InChI

CIWBSHSKHKDKBQ-JLAZNSOCSA-N

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Description générale

L-Ascorbic acid is the primary dietary source of vitamin C.It is mainly used in the prevention of scurvy.In animals, it is produced by the reduction of dehydroascorbic acid.
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food.

Application

L-Ascorbic acid may be used a certified reference standard for the quantification of the analyte in fruits and vegetables using high-performance liquid chromatography technique.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Informations légales

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

An improved sample preparation method for quantification of ascorbic acid and dehydroascorbic acid by HPLC
Chebrolu KK, et al.
Food Sci. Technol., 47(2), 2012-2012 (2012)
Jeon I
Analyzing Food for Nutrition Labeling and Hazardous Contaminants (1994)
Marc P Bradshaw et al.
Critical reviews in food science and nutrition, 51(6), 479-498 (2011-09-21)
Extensive reviews of research are available on the use of ascorbic acid, and its consequent degradation pathways, in physiological conditions or food matrices. However, very little information can be found for wine-related systems. This review highlights the relevant chemistry and
Christopher Grunseich et al.
Neurobiology of disease, 70, 12-20 (2014-06-14)
Spinal and bulbar muscular atrophy (SBMA, Kennedy's disease) is a motor neuron disease caused by polyglutamine repeat expansion in the androgen receptor. Although degeneration occurs in the spinal cord and muscle, the exact mechanism is not clear. Induced pluripotent stem
Ryan Mitchell et al.
Stem cells (Dayton, Ohio), 32(8), 2178-2187 (2014-04-18)
Here we characterize the molecular and biological requirements for OCT4 plasticity induction in human skin derived fibroblasts (hFibs) that allows direct conversion of cell fate without iPSC formation. Our results indicate that adult hFibs not only require OCT4 but also

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