(5R,9R,E)-5-((5-Chloro-2-hydroxy-3-methoxybenzylidene)amino)-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2(1H)-one CAS 180694-97-7
| CAS No. | 180694-97-7 |
| Molecular Formula | C23H23ClN2O3 |
| Molecular Weight | 410.89 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 (5R,9R,E)-5-((5-Chloro-2-hydroxy-3-methoxybenzylidene)amino)-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2(1H)-one.
(5R,9R,E)-5-((5-Chloro-2-hydroxy-3-methoxybenzylidene)amino)-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2(1H)-one (CAS 180694-97-7) is a high-purity analytical reference standard with the molecular formula C23H23ClN2O3 and a molecular weight of 410.89 g/mol.
Based on its molecular formula C23H23ClN2O3, (5R,9R,E)-5-((5-Chloro-2-hydroxy-3-methoxybenzylidene)amino)-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2(1H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 410.89 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).
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 | C23H23ClN2O3 |
| Molecular Weight | 410.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- TC LPA5 4 (CAS 1393814-38-4)
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- Ethyl 6-chloro-2-(morpholinomethyl)-4-phenylquinoline-3-carboxylate (CAS 126334-93-8)
- Solabegron (CAS 252920-94-8)
- 3-Ethyl-6-hydroxyindolin-2-one (CAS 1707563-45-8)
- 1H-Indazole-4-sulfonyl chloride (CAS 858227-51-7)
- 3-Bromoindole-5-carboxylic Acid (CAS 916179-87-8)
- 5-N-(4-fluorophenyl)isoquinoline-5,8-diamine (CAS 1153123-20-6)
- Moxifloxacin EP Impurity F HCl (CAS 1350716-67-4)
- (2-(Benzyloxy)phenyl)methanol (CAS 3381-87-1)
- Procaine Impurity 25 (CAS CATO-C4X-262325)
- (4-Methyl-1,2,3-thiadiazol-5-yl)(4-(thiophen-2-yl)piperidin-1-yl)methanone (CAS 1396717-27-3)
- Norepinephrine Impurity 47 (CAS 926-61-4)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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