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You are here:Home » Biochemicals » Biochem-Amino Acids, Derivatives » L-Arginine Free Base

L-Arginine Free Base


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Substrate of nitric oxide synthase, which is converted to citrulline and nitric oxide (NO). Induces insulin release by a nitric oxide-dependent mechanism.
Catalog #A3550
AppearanceWhite, crystalline powder
Identity (IR)Conforms to reference
Specific Rotation (20ºC)+26.9° to +27.9°
Specific Rotation (25ºC)+26.3° to +27.7°
Loss on Drying 0.5%
Residue On Ignition 0.10%
Heavy Metals (Pb) 0.0005%
Ammonium 0.02%
Chloride 0.02%
Iron 0.001%
Sulfate 0.02%
Arsenic 0.0001%
Foreign Amino Acids 0.40%
Endotoxin 0.5EU/mg
CAS Number74-79-3
Molecular FormulaC6H14N4O2
Molecular Weight174.20
FormWhite, crystalline powder
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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