1-Biotinylamino-3,6,9-trioxaundecane-11-bromide CAS 1041766-91-9
| CAS No. | 1041766-91-9 |
| Molecular Formula | C18H32BrN3O5S |
| Molecular Weight | 482.43 g/mol |
| 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 1-Biotinylamino-3,6,9-trioxaundecane-11-bromide.
1-Biotinylamino-3,6,9-trioxaundecane-11-bromide (CAS 1041766-91-9) is a high-purity analytical reference standard with the molecular formula C18H32BrN3O5S and a molecular weight of 482.43 g/mol.
The molecular framework of 1-Biotinylamino-3,6,9-trioxaundecane-11-bromide (C18H32BrN3O5S) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C18H32BrN3O5S |
| Molecular Weight | 482.43 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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