Benzyl (1S,4S)-3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate hydrobromide CAS 159909-28-1
| CAS No. | 159909-28-1 |
| Molecular Formula | C5H9NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 180.04 g/mol gives Benzyl (1S,4S)-3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate hydrobromide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Benzyl (1S,4S)-3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate hydrobromide (CAS 159909-28-1), molecular formula C5H9NOHBr and molecular weight 180.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Benzyl (1S,4S)-3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate hydrobromide (C5H9NOHBr) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 180.04 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Benzyl (1S,4S)-3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate hydrobromide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H9NO HBr |
| Molecular Weight | 180.04 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 |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 5-Chloro-1,4-dimethyl-1H-pyrazole (CAS 127842-11-9)
- 5-Allyl-2-ethoxy-1,3-difluorobenzene (CAS 1379291-66-3)
- (3-(1-Methyl-1H-pyrazol-3-yl)phenyl)methanamine (CAS 910037-10-4)
- 3-Bromo-2-(trifluoromethyl)pyridine-4-acetonitrile (CAS 1227496-93-6)
- Tri-n-butyltin Deuteride (CAS 6180-99-0)
- (6-Chloro-4-ethoxypyridin-3-yl)methanamine hydrochloride (CAS 1432754-50-1)
- 2-Methoxy-3-methyl-pyridin-5-ol (CAS 1216253-16-5)
- 5-(1,1-Difluoroethyl)-1H-imidazole (CAS 2229580-72-5)
- rac-(1R,2R)-2-(3-methylthiophen-2-yl)cyclopropane-1-carboxylic acid (CAS 2059917-57-4)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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