Oxazole, 2,2′-(tellurodi-2,1-phenylene)bis[4,5-dihydro-4,4-dimethyl- CAS 287111-52-8
| CAS No. | 287111-52-8 |
| Molecular Formula | C22H24N2O2Te |
| Molecular Weight | 476.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Oxazole, 2,2′-(tellurodi-2,1-phenylene)bis[4,5-dihydro-4,4-dimethyl- 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.
CATO supplies Oxazole, 2,2′-(tellurodi-2,1-phenylene)bis[4,5-dihydro-4,4-dimethyl- (CAS 287111-52-8), a certified reference material (molecular formula C22H24N2O2Te, MW 476.04 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, Oxazole, 2,2′-(tellurodi-2,1-phenylene)bis[4,5-dihydro-4,4-dimethyl- is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 476.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H24N2O2Te |
| Molecular Weight | 476.04 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Oxazole Standards
- Oxazole, 2,2′-[[5-[[(4S)-4,5-dihydro-4-phenyl-2-oxazolyl]methyl]-2,4,6-trimethyl-1,3-phenylene]bis(methylene)]bis[4,5-dihydro-4-methyl-, (4R,4′R)- (CAS 774577-28-5)
- Oxazole, 2,2′-[1,1′-biphenyl]-2,2′-diylbis[4,5-dihydro-4-(phenylmethyl)-, (4S,4′S)- (CAS 282732-58-5)
- Oxazole, 2,2′-(methylenedi-2,1-phenylene)bis[4,5-dihydro-4-(phenylmethyl)-, (4S,4′S)- (CAS 852043-76-6)
- Oxazole, 2,2′-[(1R)-6,6′-dimethyl[1,1′-biphenyl]-2,2′-diyl]bis[4,5-dihydro-4-(phenylmethyl)-, (4S,4′S)- (CAS 302342-93-4)
- Oxazole, 2,2′-[(1S)-6,6′-dimethyl[1,1′-biphenyl]-2,2′-diyl]bis[4,5-dihydro-4-(phenylmethyl)-, (4S,4′S)- (CAS 302342-92-3)
- Oxazole, 2,2′-(1-methylethylidene)bis[4,5-dihydro-4-tricyclo[3.3.1.13,7]dec-1-yl-, (4R,4′R)- (CAS 497108-05-1)
- Oxazole, 2,2′-(1R)-[1,1′-binaphthalene]-2,2′-diylbis[4,5-dihydro-4,4-dimethyl- (CAS 93530-99-5)
- Oxazole, 2,2′-(diselenodi-2,1-phenylene)bis[4-ethyl-4,5-dihydro- (CAS 870639-90-0)
Recommended Standards
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-5-[(2,4-diphenyl-1,3-thiazol-5-yl)methyl]-1,3,4-oxadiazole (CAS 338401-66-4)
- SR 144528 (CAS 192703-06-3)
- 2-Chloro-1-[1-[(3,4-diethoxyphenyl)methyl]-6,7-diethoxy-3,4-dihydro-2(1H)-isoquinolinyl]ethanone (CAS 730949-62-9)
- Zoledronic Acid EP Impurity B (CAS 1632236-60-2)
- 3-Amino-6-formylpyrazine-2-carbonitrile (CAS 64440-74-0)
- 5-(Chloromethyl)-3-cyclohexyl-1,3-oxazolidin-2-one (CAS 26384-66-7)
- Moexipril Cyclohexyl Analogue Hydrochloride (CAS 1356019-89-0)
- 1-(4-Bromo-2,6-difluorophenyl)-N-methylmethanamine (CAS 1538138-29-2)
- 2-(2-Methoxypyridin-3-yl)acetonitrile (CAS 351410-37-2)
- 6-{morpholin-4-yl[4-(trifluoromethyl)phenyl]methyl}-1,3-dioxaindan-5-ol (CAS 289657-30-3)
- 2-Chloro-3-(triethylsilyl)pyridine (CAS 123506-74-1)
- (4aR,7aS)-Octahydrofuro[3,4-b]pyridine (CAS 1808575-96-3)
- 3-Bromo-4-hydrazinylpyridine (CAS 1202941-04-5)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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