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| Physical Characters and Index |
English name: L-Arginine hydrochloride
CAS no. : 1119-34-2
Molecular formula: C6H15ClN4O2
Molecular weight: 210.66
EINECS no. : 214-275-1 |
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| Use and description |
| Arginine is the amino acid with the formula(HN)CN(H₃CH(NH₂)CO₂H. The molecule features a guanidino group appended to a standard amino acid framework. At physiological pH, the carboxylic acid is deprotonated and both the amino and guanidino groups are protonated, resulting in a cation. Only the l-arginine enantiomer is found naturally. Arg residues are common components of proteins. It is encoded by the codons CGU, CGC, CGA, CGG, AGA, and AGG. The guanidine group in arginine is the precursor for the biosynthesis of nitric oxide. Like all amino acids, it is a white, water-soluble solid. |
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