L-Arginine hydrochloride, white crystalline powder

Supplier: MP Biomedicals
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Synonyms: H-L-Arg-OH.HCl, (S)-2-Amino-5-guanidinopentanoic acid hydrochloride, (S)-(+)-Arginine HCl, H-Arg-OH·HCl, L-Arginine, hydrochloride, (S)-(+)-Arginine hydrochloride, H-Arg-OH.HCl, L-Arg, L(+)-Arginine monohydrochloride, L(+)-Arginine hydrochloride

0210074380 0210074390 0210074391
ICNA0210074380EA 44.1 GBP
ICNA0210074380 ICNA0210074390 ICNA0210074391
L-Arginine hydrochloride, white crystalline powder
L-Arginine hydrochloride

L-arginine is an amino acid that is necessary for the production of protein, also helps rid the body of ammonia (a waste product) and stimulates the release of insulin. In addition, L-arginine is used to make nitric oxide (a compound that relaxes the blood vessels).


  • L-arginine - an amino acid


Substrate of nitric oxide synthase, which is converted to citrulline and nitric oxide (NO). Induces insulin release by a nitric oxide-dependent mechanism.


Substrate of nitric oxide synthase, which is converted to citrulline and nitric oxide (NO). Induces insulin release by a nitric oxide-dependent mechanism.


Soluble in water (50 mg/mL); slightly soluble in hot alcohol; insoluble in ether.


Caution: Research Use Only (RUO).

Formula: C₆H₁₅ClN₄O₂
MW: 210.66 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00064550
CAS Number: 1119-34-2

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Specification Test Results

Identity Test Passes
FTIR Conforms to Standard
Optical Rotation (c=8, 2 N HCl) +21.0° to +23°
Loss on Drying ≤0.5%
Melting Point 220 - 230 °C

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