Boc-(+/-)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid CAS 959577-53-8
| CAS No. | 959577-53-8 |
| Molecular Formula | C17H23NO4 |
| Molecular Weight | 305.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 305.37 g/mol gives Boc-(+/-)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Boc-(+/-)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid (CAS 959577-53-8), molecular formula C17H23NO4 and molecular weight 305.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Boc-(+/-)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 305.37 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C17H23NO4 |
| Molecular Weight | 305.37 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Benzyl n-{1-[(z)-n'-hydroxycarbamimidoyl]cycloheptyl}carbamate (CAS 946386-27-2)
- Boc-(R)-α-benzylproline (CAS 706806-60-2)
- Benzyl 3-(2-ethoxy-2-oxoethyl)piperidine-1-carboxylate (CAS 953079-96-4)
- Boc-(S)-α-benzyl-Pro-OH (CAS 706806-61-3)
- 3-Bromo-2-methylisonicotinic acid (CAS 1211583-71-9)
- 2,2-Dimethyl-2,3-dihydrobenzofuran-6-carboxylic Acid (CAS 123656-36-0)
- 5-Bromo-3-hydroxypicolinic acid (CAS 1160994-90-0)
- 2,4-Bis-(1-phenylethyl)phenol (CAS 2769-94-0)
- 3-amino-2-(cyclopropylmethyl)propanoic acid hydrochloride (CAS 1955492-76-8)
- 1-(Butan-2-yl)-1h-pyrazole-4-carbaldehyde (CAS 1170169-27-3)
- 3-Bromo-4,6-dichloro-2,5-dimethylpyridine (CAS 1256254-36-0)
- 5-Cyclopropyl-3-(piperidin-4-ylmethyl)-1,2,4-oxadiazole (CAS 1210470-78-2)
- N-((1-(Diphenylphosphino)-1H-pyrrol-2-yl)methylene)aniline (CAS 918629-90-0)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
Why CATO?
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