Umeclidinium Bromide CAS 869113-09-7
| CAS No. | 869113-09-7 |
| Molecular Formula | C29H34NO2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Umeclidinium Bromide (CAS 869113-09-7) is a high-purity analytical reference standard with the molecular formula C29H34NO2Br and a molecular weight of 508.50 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, Umeclidinium Bromide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 508.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Umeclidinium Bromide 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 | C29H34NO2 Br |
| Molecular Weight | 508.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Umeclidinium Standards
- Umeclidinium Bromide Impurity 25 (CAS 119102-52-2)
- Umeclidinium impurity 26 (CAS 1248400-28-3)
- Umeclidinium Impurity 1 (CAS 1509910-91-1)
- Umeclidinium impurity 22 (CAS 17229-17-3)
- Umeclidinium Impurity 15 (CAS 2230024-91-4(free base))
- Umeclidinium Impurity 19 (CAS 2253743-32-5)
- Umeclidinium Impurity 13 (CAS 2253743-36-9)
- Umeclidinium Impurity 11 (CAS 2253743-38-1)
Recommended Standards
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- 1-(Bromomethyl)-4-chloro-2-fluoro-5-methylbenzene (CAS 1805042-29-8)
- 1-(4-Methylbenzyl)piperidin-3-ol (CAS 414886-29-6)
- 1-(Ethoxy(phenyl)phosphoryl)ethyl butyrate (CAS 866612-48-8)
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- 1,7-naphthyridine-2-carboxylic acid (CAS 316155-87-0)
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