(R)-2-amino-4-bromopent-4-enoic acid CAS 264903-49-3
| CAS No. | 264903-49-3 |
| Molecular Formula | C5H8BrNO2 |
| Molecular Weight | 194.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 194.03 g/mol gives (R)-2-amino-4-bromopent-4-enoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(R)-2-amino-4-bromopent-4-enoic acid (CAS 264903-49-3), molecular formula C5H8BrNO2 and molecular weight 194.03 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (R)-2-amino-4-bromopent-4-enoic acid (C5H8BrNO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 194.03 g/mol, it falls into the medium-molecular-weight range. 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 | C5H8BrNO2 |
| Molecular Weight | 194.03 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related R Standards
- (S)-2-Amino-4-bromopent-4-enoic acid (CAS 151144-96-6)
- 3-amino-6-bromo-1H-pyrazin-2-one (CAS 21943-14-6)
- 2-Amino-4,6-dichloro-5-methoxypyrimidine (CAS 13428-25-6)
- (2-Amino-4,6-dichloropyrimidin-5-yl)methanol (CAS 850554-81-3)
- 3-Amino-5,6-dichloro-2-pyrazinemethanol (CAS 95037-20-0)
- 6-Amino-4,5-dichloro-2-methylpyridazin-3(2H)-one (CAS 25717-64-0)
- (3-((2-Amino-2-oxoethyl)amino)phenyl)boronic acid (CAS 276251-84-4)
- 3-Amino-5-(methylcarbamoyl)phenylboronic acid (CAS 2096335-54-3)
Recommended Standards
- (3,6-Dichloro-2-fluorophenyl)methanamine (CAS 916420-66-1)
- 1,1,1,4,4,4-Hexafluorobutane-2,3-dione (CAS 685-24-5)
- (2,4-Dichloro-5-fluorophenyl)methanamine (CAS 939980-28-6)
- 2-(Bromomethyl)morpholin-3-one (CAS 2138232-60-5)
- 3-((3-Fluorophenyl)sulfonamido)propanoic acid (CAS 690646-10-7)
- Ethyl(3,3,3-trifluoropropyl)amine (CAS 1094291-87-8)
- 2-[3-(methoxymethoxy)-1-naphthyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2378262-52-1)
- Raltegravir Diketo Ethoxy Impurity (CAS 1193687-88-5)
- Glycerol Impurity 38 (CAS CATO-C4X-217138)
- Ethyl Phenyl(2,4,6-trimethylbenzoyl)phosphinate (CAS 84434-11-7)
- 3-Chloro-5-methyl-2,5-dihydropyrazolo[3,4-e][1,2,4]thiadiazine 1,1-dioxide (CAS 1707610-22-7)
- 4-(3-Bromopropyl)oxane (CAS 1050496-70-2)
- Rifamycin Impurity 4 (CAS CATO-C4X-20044)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com