(3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] CAS 188780-28-1
| CAS No. | 188780-28-1 |
| Molecular Formula | C29H24N2O2 |
| Molecular Weight | 432.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 432.51 g/mol gives (3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] (CAS 188780-28-1), a certified reference material (molecular formula C29H24N2O2, MW 432.51 g/mol) for analytical method development and quality control.
Structurally, (3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] (C29H24N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 432.51 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (3aS,3a'S,8aR,8a'R)-2,2'-(1,3-Dihydro-2H-inden-2-ylidene)bis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] 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 | C29H24N2O2 |
| Molecular Weight | 432.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Nitrogen Atoms | 2 |
Recommended Standards
- ER 50891 (CAS 187400-85-7)
- (2Z)-7-(4-Methoxyphenoxy)-2-[(4-methylphenyl)methylidene]-3-phenyl-2,3-dihydro-1H-inden-1-one (CAS 337921-54-7)
- 6-Benzyl 1-(tert-butyl) 4a-ethyl tetrahydro-1H-pyrrolo[3,4-b]pyridine-1,4a,6(2H,5H)-tricarboxylate (CAS 1823978-57-9)
- (3,5-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)phenyl)methanol (CAS 206049-37-8)
- 4-(Hydrazinecarbonyl)-N-(p-tolyl)-1H-imidazole-5-carboxamide (CAS 89562-41-4)
- 4-Hydroxy-1-(2-methoxyethyl)-6-methylpyridin-2(1H)-one (CAS 690642-41-2)
- 1,2-Ethanediamine, N1-[[[2-(trimethoxysilyl)ethyl]phenyl]methyl]- (CAS 74113-77-2)
- (4S,5S)-4,5-bis(fluoromethyl)-2,2-dimethyl-1,3-dioxolane (CAS 84409-70-1)
- 1,2-Dibromo-2-chloro-1,1,3,3,3-pentafluoropropane (CAS 661-93-8)
- Ethyl 2-(4-(2,5-dioxopiperazin-1-yl)phenyl)acetate (CAS 1956336-09-6)
- 4-[(1Z)-2-(4-Chlorophenyl)vinyl]pyridine (CAS 5847-63-2)
- 5-(4-Methoxyphenyl)imidazo[1,5-a]pyrazine-3-carboxylic acid (CAS 1206969-05-2)
- [5-chloro-2-(morpholin-4-yl)phenyl]methanamine (CAS 1250339-07-1)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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