27378-49-0 L-Ornithine homopolymer hydrobromide CAS 27378-49-0
| CAS No. | 27378-49-0 |
| Molecular Formula | C5H12N2O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 27378-49-0 L-Ornithine homopolymer hydrobromide.
27378-49-0 L-Ornithine homopolymer hydrobromide (CAS 27378-49-0) is a high-purity analytical reference standard with the molecular formula C5H12N2O2HBr and a molecular weight of 213.07 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, 27378-49-0 L-Ornithine homopolymer hydrobromide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 213.07 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H12N2O2 HBr |
| Molecular Weight | 213.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related L Standards
- DL-Ornithine hydrochloride (CAS 1069-31-4)
- L-Ornithine L-Aspartate Impurity 6 (CAS 1174925-92-8)
- L-Ornithine L-Aspartate Impurity 22 TFA Salt (CAS 1174925-92-8 (free base))
- Ornithine, N5- [imino(nitroamino)methyl]-, methyl ester, monohydrochloride (CAS 127788-67-4)
- L-Ornithine-<SUP>13</SUP>C<SC><SUB>5</SUB></SC>,<SUP>15</SUP>N<SUB>2</SUB> Hydrochloric acid Salt (CAS 1346617-00-2)
- L-Ornithine L-Aspartate Impurity 8 (CAS 14169-16-5)
- D-Ornithine monohydrochloride (CAS 16682-12-5)
- L-Ornithine Dimer (CAS 195868-13-4)
Recommended Standards
- 3-Acetamido-1h-pyrazole-5-carboxylic acid (CAS 911431-05-5)
- Tert-butyl3-methylpyrrolidine-1-carboxylate (CAS 1256818-37-7)
- Meleagrin (CAS 71751-77-4)
- 1-amino-1H-pyrrole-2-carboxamide hydrochloride (CAS 1630906-75-0)
- N-(2-Amino-2-oxoethyl)-2-(pyrazine-2-carboxamido)oxazole-4-carboxamide (CAS 1396882-38-4)
- 1-(2-Methylpyridin-3-yl)cyclopropane-1-carboxylic acid (CAS 1060806-17-8)
- potassium 4-ethyl-5-(2-phenylethyl)-4H-1,2,4-triazole-3-sulfonate (CAS 1864054-14-7)
- 4-Oxo-4,5,6,7-tetrahydro-1H-indole-2-carbonitrile (CAS 161468-22-0)
- Methyl 5-thioxo-4,5-dihydropyrazine-2-carboxylate (CAS 147032-26-6)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
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