2-Phenyl-5-propyl-3-(pyridin-4-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione CAS 1005127-75-2
| CAS No. | 1005127-75-2 |
| Molecular Formula | C19H19N3O3 |
| Molecular Weight | 337.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Phenyl-5-propyl-3-(pyridin-4-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione (CAS 1005127-75-2), molecular formula C19H19N3O3 and molecular weight 337.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H19N3O3, 2-Phenyl-5-propyl-3-(pyridin-4-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 337.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Phenyl-5-propyl-3-(pyridin-4-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione 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.
Physical & Chemical Properties
| Molecular Formula | C19H19N3O3 |
| Molecular Weight | 337.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1988 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Methyl 1-(3-isopropoxybenzoyl)-1H-indole-3-carboxylate (CAS 1003527-44-3)
- Methyl 3-cyclopropyl-1-(4-methoxyphenyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011397-04-8)
- Z-Asp(OtBu)-OMe (CAS 63327-57-1)
- 1-Boc-4-(3-methoxy-4-nitrophenyl)piperazine (CAS 1017782-79-4)
- alpha-(Aminomethyl)-2,6-difluorobenzeneacetic acid ethyl ester (CAS 1263095-27-7)
- 2,3-Dihydro-2-(3-nitrophenyl)-4H-1,3-benzoxazin-4-one (CAS 293326-06-4)
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(4-(trifluoromethyl)phenyl)methanone (CAS 898763-59-2)
- 1628318-10-4 tert-Butyl 5-(bromomethyl)-2-cyano-1H-indole-1-carboxylate (CAS 1628318-10-4)
- H-Asp-Arg-Val-Tyr-Ile-His-Pro-Phe-His-Leu-Leu-Tyr-Tyr-Ser-OH (CAS 110200-37-8)
- 5-(3-Chloro-4-methoxyphenyl)furfural (CAS 124014-00-2)
- 1-(tert-Butoxycarbonyl)-4-(tert-butyl)piperazine-2-carboxylic acid (CAS 894802-56-3)
- Fmoc-(R)-3-amino-4-(4-iodophenyl)-butyric acid (CAS 269396-73-8)
- 5-Chloro-1,3,4-triphenyl-1H-pyrazole (CAS 32859-09-9)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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