L(+)-Arginine, CAS No. 74-79-3

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74-79-3

Catalog No. EBD2198000

CAS 74-79-3

Name L(+)-Arginine

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Basic Information

Synonyms: L(+)-Arginine H-Arg-OH L-Argininebase Arg L-2-Amino-5-guanidinopentanoicacid L(+)Arginine (2S)-5-{[amino(iminio)methyl]amino}-2-ammoniopentanoate Arginine (S)-2-amino-5-guanidino-pentanoicacid L-Arginine (S)-2-Amino-5-guanidinopentanoicacid (s)-(+)-arginine

Molecular Formula: C6H14N4O2

Molecular Weight: 174.2

MDL Number: MFCD00002635

Categories: Medicinal Chemistry > Biochemicals and Life Science Reagents > Amino Acids and Derivatives

Product Description:

L(+)-Arginine is a basic, proteinogenic amino acid with the chemical formula C6H14N4O2. It features a guanidino group in its side chain, which is responsible for its strong basicity and key biological functions. As a natural metabolite, it is a fundamental building block for protein synthesis and a precursor to nitric oxide (NO), urea, and creatine. Its primary application is in the pharmaceutical and nutraceutical industries. In medicine, L-Arginine is used as an active pharmaceutical ingredient (API) or nutritional supplement to support cardiovascular health by promoting vasodilation via NO production, and it plays a role in immune function and wound healing. It is also widely utilized in cell culture media as an essential nutrient for cell growth. Furthermore, L-Arginine is a common ingredient in functional foods and sports nutrition products, classified as a nutritional fortifier. It is also employed as a chiral building block in organic synthesis for the preparation of peptides and other complex molecules. Due to its high purity and well-defined biological activity, it is a standard reference material in biochemical research.

Physical Properties

Melting Point: 222 °C (dec.)(lit.)

Boiling Point: 409.14 °C at 760 mmHg

Flash Point: 201.241 °C

Density: 1.467 g/cm3

Solubility: H2O: 100 mg/mL

Refractivity: 27 ° (C=8, 6mol/L HCl)

Storage: Store at 0-5

Analytical Data

Appearance: white crystalline powder