Bepotastine Besilate CAS 190786-44-8
| CAS No. | 190786-44-8 |
| Molecular Formula | C21H25ClN2O3 |
| 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 547.06 g/mol gives Bepotastine Besilate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Bepotastine Besilate (CAS 190786-44-8), molecular formula C21H25ClN2O3C6H6O3S and molecular weight 547.06 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Bepotastine Besilate (C21H25ClN2O3C6H6O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 547.06 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), Bepotastine Besilate 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 | C21H25ClN2O3 C6H6O3S |
| Molecular Weight | 547.06 g/mol |
| Purity | >95% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bepotastine Standards
- Bepotastine Impurity 11 (CAS 1039957-36-2)
- Bepotastine Impurity 28 (CAS 1153149-80-4)
- Bepotastine Impurity 26 (CAS 1154238-49-9)
- Bepotastine (CAS 125602-71-3)
- Bepotastine Impurity 23 (CAS 1415692-17-9)
- Bepotastine Impurity 24 (CAS 1807607-93-7)
- Bepotastine Ethyl Ester (CAS 190730-39-3)
- Bepotastine Impurity 14 (CAS 207726-35-0)
Recommended Standards
- O-Isopentylhydroxylamine hydrochloride (CAS 51951-35-0)
- 8-Methoxy-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 1781048-50-7)
- 2-(1,3-Dioxaindan-5-yl)-2-ethylbutanoic acid (CAS 1179291-42-9)
- 4-(Aminomethyl)-2-cyano-5-methylbenzene-1-sulfonyl chloride (CAS 1805517-57-0)
- 2-(Thiophen-3-ylthio)acetic acid (CAS 6267-14-7)
- Methyl 2-(trifluoromethyl)quinoline-6-carboxylate (CAS 1154743-11-9)
- 1-Chloro-3-ethynyl-2,4-difluorobenzene (CAS 2205121-61-3)
- 2-((2-Chloro-6-oxo-7,8,9,10-tetrahydro-6h-benzo[c]chromen-3-yl)oxy)acetic acid (CAS 326878-33-5)
- 1-(3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)ethan-1-one (CAS 478065-94-0)
- Semaglutide impurity 29 (CAS 110990-08-4)
Why CATO?
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