Ascorbic Acid

Pharmaceutical Secondary Standard; Certified Reference Material

L-Ascorbic acid, Antiscorbutic factor, Vitamin C, L-Threoascorbic acid
Empirical Formula (Hill Notation):
Número de CAS:
Peso molecular:
Beilstein/REAXYS Number:
EC Number:
MDL number:
PubChem Substance ID:
E Number:

Quality Level


certified reference material
pharmaceutical secondary standard




current certificate can be downloaded


HPLC: suitable
gas chromatography (GC): suitable


190-194 °C (dec.)



pharmacopeia traceability

traceable to BP 461
traceable to PhEur A1300000
traceable to USP 1043003

SMILES string




InChI key


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General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. Ascorbic acid is a powerful antioxidant and is widely used in pharmaceutical formulations. It has proven to have a beneficial effect on age-related diseases such as cancer, atherosclerosis, ocular, neurodegenerative diseases, etc. It is mainly involved in the formation and maintenance of collagen. The prolonged deficiency of ascorbic acid in diet may result in scurvy.


Ascorbic Acid may be used as a pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations using hydrophilic interaction chromatography.

Biochem/physiol Actions

Ascorbic Acid, also known as Vitamin C, is a six-carbon lactone produced by plants and some animal species but not by humans and other primates. Ascorbic acid functions as an enzymatic cofactor for multiple enzymes, serving as an electron donor for monooxygenases and dioxygenases. Ascorbic acid also functions as a powerful antioxidant, particularly in regards to reactive oxygen species.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.


To see an example of a Certificate of Analysis for this material enter LRAC2886 in the slot below. This is an example certificate only and may not be the lot that you receive.


11 - Combustible Solids

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Certificado de Análisis

Certificado de origen

Simultaneous differential pulse voltammetric determination of ascorbic acid and caffeine in pharmaceutical formulations using a boron?doped diamond electrode
Lourencao CB, et al.
Electroanalysis, 22(15), 1717-1723 (2010)
L-ascorbic acid determination in pharmaceutical formulations using a biosensor based on carbon paste modified with crude extract of Zucchini (Cucurbita pepo)
Fatibello-Filho and Vieira CI
Journal of the Brazilian Chemical Society, 11(4), 412-418 (2000)
Method development and validation for optimised separation of salicylic, acetyl salicylic and ascorbic acid in pharmaceutical formulations by hydrophilic interaction chromatography and response surface methodology
Hatambeygi N, et al.
Journal of Chromatography A, 1218(35), 5995-6003 (2011)
Noriko Umegaki-Arao et al.
Science translational medicine, 6(264), 264ra164-264ra164 (2014-11-28)
Revertant mosaicism is a naturally occurring phenomenon involving spontaneous correction of a pathogenic gene mutation in a somatic cell. It has been observed in several genetic diseases, including epidermolysis bullosa (EB), a group of inherited skin disorders characterized by blistering...
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...
Separation of (L)-Dehydroascorbic acid; L-Ascorbic acid 20 μg/mL
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Separation of Pyridoxine; Nicotinamide; Nicotinic acid; Folic acid; (−)-Riboflavin, meets USP testing specifications; L-Ascorbic acid
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