(11bS)-4-Phenoxy-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin CAS 256441-54-0
| CAS No. | 256441-54-0 |
| Molecular Formula | C26H17O3P |
| Molecular Weight | 408.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (11bS)-4-Phenoxy-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (C26H17O3P) contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.5, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 408.39 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).
CATO supplies (11bS)-4-Phenoxy-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 256441-54-0), a certified reference material (molecular formula C26H17O3P, MW 408.39 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (11bS)-4-Phenoxy-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin 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 | C26H17O3P |
| Molecular Weight | 408.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related bS Standards
- (11bR)-4-Phenoxy-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 188055-47-2)
- 2-Phenoxy-5-(1-tosylpiperidin-2-yl)pyridine (CAS 1352531-55-5)
- 2-Phenoxy-4,6-bis(trichloromethyl)-1,3,5-triazine (CAS 1374651-41-8)
- 1-Phenoxy-3-(triphenyl-$l^{5}-phosphanylidene)propan-2-one (CAS 33502-03-3)
- 4-Phenoxy-N-[3-(2-phenoxyethoxy)benzyl]aniline (CAS 1040687-81-7)
- 2-Phenoxy-N-(2-(phenylsulfonyl)-2-(thiophen-2-yl)ethyl)acetamide (CAS 896332-63-1)
- 2-Phenoxy-1-(4-(4-(thiophen-3-yl)thiazol-2-yl)piperazin-1-yl)propan-1-one (CAS 1448074-93-8)
- 2-Phenoxy-N-(2-(4-(2-phenoxyacetyl)piperazin-1-yl)ethyl)acetamide (CAS 547734-34-9)
Recommended Standards
- 4-((4-(N-(2,6-Dimethoxypyrimidin-4-yl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 329718-25-4)
- Ethyl 2-(2-ethyl-1-oxo-6-(((trifluoromethyl)sulfonyl)oxy)-1,2,3,4-tetrahydronaphthalen-2-yl)acetate (CAS 1414797-96-8)
- 6-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3-oxobutan-2-yl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625376-57-0)
- 6-Pentafluorosulfanyl-2,4-diphenylquinazoline (CAS 1394319-80-2)
- 2-Bromo-4-(2,5-dimethylphenyl)-1-butene (CAS 951891-87-5)
- 4,6-Dichloro-2-(ethylthio)-5-methoxypyrimidine (CAS 639855-35-9)
- 1-(4-Fluoro-3-propoxyphenyl)ethanone (CAS 1378521-10-8)
- 4-(Phenoxymethyl)benzonitrile (CAS 57928-75-3)
- 6,8-Difluoro-1,2,3,4-tetrahydroisoquinoline (CAS 874942-09-3)
- 1-(4-Bromophenyl)-3-(furan-2-ylmethyl)urea (CAS 6297-91-2)
- tert-Butyl 4-oxo-2-oxa-8-azaspiro[4.5]decane-8-carboxylate (CAS 1801766-68-6)
- 5-Bromo-1,6-naphthyridin-2-amine (CAS 1330751-53-5)
- 5-((4-Cyanophenyl)amino)-5-oxopentanoic acid (CAS 138109-34-9)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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