Desonide Bromo Impurity N9 CAS 39672-77-0
| CAS No. | 39672-77-0 |
| Molecular Formula | C24H31BrO6 |
| Molecular Weight | 495.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C24H31BrO6, Desonide Bromo Impurity N9 contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 495.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Desonide Bromo Impurity N9 (CAS 39672-77-0) is a certified pharmaceutical impurity reference standard with the molecular formula C24H31BrO6 and a molecular weight of 495.40 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Desonide Bromo Impurity N9 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C24H31BrO6 |
| Molecular Weight | 495.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Br-containing |
Related Desonide Standards
- Desonide 21-Acetate (CAS 25092-25-5)
- Desonide Impurity 11 (CAS 25092-32-4)
- Desonide Impurity 13 (CAS 5016-80-8)
- Desonide Impurity 10 (CAS CATO-C4X-130110)
- Desonide Impurity 17 (CAS CATO-C4X-130117)
- Desonide Impurity 18 (CAS CATO-C4X-130118)
- Desonide Impurity 16 (CAS CATO-C4X-130116)
- delta-14-Desonide (CAS 131918-67-7)
Recommended Standards
- Betamethasone impurity 67 (CAS 13796-49-1)
- Ethylenediaminetetraacetic Acid Lead(II) Disodium Salt Hydrate (CAS 21135-97-7)
- Betamethasone impurity 52 (CAS 97168-90-6)
- 9-(4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)naphthalen-1-yl)-9H-carbazole (CAS 2376616-77-0)
- Sacubitril Impurity 33 (CAS CATO-C4X-280933)
- Fasudil Impurity 40 (CAS 27308-78-7)
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- 4-Amino-5-cyano-2-(difluoromethyl)pyridine-3-sulfonyl chloride (CAS 1805272-11-0)
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- Methyl 3-(2-morpholinoacetamido)thiophene-2-carboxylate (CAS 477887-71-1)
- 4-Chloro-2-(cyclohexylamino)benzonitrile (CAS 939816-39-4)
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- [1,1':3',1''-Terphenyl]-4-ylboronic acid (CAS 1191061-81-0)
- Sperm Activating Peptide, Sea Urchin (CAS 140653-27-6)
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