(3R,4S)-4-(4-methoxyphenyl)-2-oxo-1-azaspiro[4.4]Nonane-3-carboxylic acid CAS 1784747-97-2
| CAS No. | 1784747-97-2 |
| Molecular Formula | C16H19NO4 |
| Molecular Weight | 289.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (3R,4S)-4-(4-methoxyphenyl)-2-oxo-1-azaspiro[4.4]Nonane-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 289.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(3R,4S)-4-(4-methoxyphenyl)-2-oxo-1-azaspiro[4.4]Nonane-3-carboxylic acid (CAS 1784747-97-2) is a high-purity analytical reference standard with the molecular formula C16H19NO4 and a molecular weight of 289.33 g/mol.
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.
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 | C16H19NO4 |
| Molecular Weight | 289.33 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ethyl 4-(4,6-diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)benzoate (CAS 17740-29-3)
- 3-Benzyl 6-methyl 3-azabicyclo[3.1.1]Heptane-3,6-dicarboxylate (CAS 1803567-46-5)
- N-2-Naphthyl-3-oxo-3-phenylpropanamide (CAS 17738-45-3)
- tert-butyl 3-[(2-cyanopyridin-4-yl)oxy]pyrrolidine-1-carboxylate (CAS 1803591-76-5)
- (R)-3-Hydroxypentanoic acid (CAS 53538-53-7)
- 4-Fluoro-6-methylpyrimidine (CAS 51421-88-6)
- 3-Chloro-1H-pyrazol-4-amine (CAS 103286-54-0)
- Ethyl 4-Allylpyridine-2-carboxylate (CAS 1255305-66-8)
- Ethyl 2-Acetyl-5-hexenoate (CAS 42185-42-2)
- 3-Methoxy-1-methyl-N-(5-phenyl-1,3,4-oxadiazol-2-yl)-1H-pyrazole-4-carboxamide (CAS 1203082-11-4)
- 6-(2-Chloropropanoyl)-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 293741-63-6)
- Dronedarone Impurity 23 (CAS CATO-C4X-109223)
- 4-(Chloromethyl)-2-(difluoromethyl)benzo[d]oxazole (CAS 1807100-63-5)
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