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Merck
CN

O2250

Sigma-Aldrich

DL-Ornithine monohydrochloride

~99%

Synonym(s):

(±)-2,5-Diaminopentanoic acid monohydrochloride

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About This Item

Linear Formula:
NH2(CH2)3CH(CO2H)(NH2) · HCl
CAS Number:
Molecular Weight:
168.62
Beilstein:
4153338
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
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Assay

~99%

form

crystalline powder

impurities

ammonia, essentially free

color

white

mp

~233 °C (dec.)

application(s)

detection

SMILES string

Cl.NCCCC(N)C(O)=O

InChI

1S/C5H12N2O2.ClH/c6-3-1-2-4(7)5(8)9;/h4H,1-3,6-7H2,(H,8,9);1H

InChI key

GGTYBZJRPHEQDG-UHFFFAOYSA-N

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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Sherry Dadsetan et al.
Biochemical pharmacology, 85(1), 115-123 (2012-10-30)
Combined administration of ornithine and phenylacetate (OP) is proposed as a novel treatment of hyperammonemia and hepatic encephalopathy. Ornithine is believed to increase ammonia fixation into glutamine in muscle tissue and glutamine is subsequently thought to react with phenylacetate forming
Juan C Marini et al.
American journal of physiology. Endocrinology and metabolism, 303(11), E1348-E1353 (2012-10-18)
Citrulline is an amino acid synthesized in the gut and utilized for the synthesis of the conditionally essential amino acid arginine. Recently, the origin of the ornithine utilized for citrulline synthesis has become a matter of discussion. Multiple physiological factors
Edward L D'Antonio et al.
Archives of biochemistry and biophysics, 535(2), 163-176 (2013-04-16)
Arginase from parasitic protozoa belonging to the genus Leishmania is a potential drug target for the treatment of leishmaniasis because this binuclear manganese metalloenzyme catalyzes the first committed step in the biosynthesis of polyamines that enable cell growth and survival.
Kazuyo Tujioka et al.
Journal of nutritional science and vitaminology, 58(4), 297-302 (2012-11-08)
The purpose of this study was to determine whether ornithine affects the rate of tissue protein synthesis in male rats. Two experiments were done on five or two groups of young rats (5 wk) given diets containing 0.15, 0.3, 0.5
Isabel Araque et al.
Food microbiology, 33(1), 107-113 (2012-11-06)
The accumulation of citrulline and ornithine in wine or beer as a result of the arginine catabolism of some lactic acid bacteria (LAB) species increases the risk of ethyl carbamate and putrescine formation, respectively. Several LAB species, which are found

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