5-(P-tolyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acid CAS 303145-38-2
| CAS No. | 303145-38-2 |
| Molecular Formula | C16H15NO4 |
| Molecular Weight | 285.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-(P-tolyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acid (CAS 303145-38-2), molecular formula C16H15NO4 and molecular weight 285.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(P-tolyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acid (C16H15NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 285.29 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 5-(P-tolyl)-2,3-dihydro-1H-pyrrolizine-6,7-dicarboxylic acid 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 | C16H15NO4 |
| Molecular Weight | 285.29 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-(((Benzyloxy)carbonyl)amino)-2-methylbenzoic acid (CAS 778601-77-7)
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- 4-Isopropoxy-4’-nitrobenzophenone (CAS 221532-00-9)
- 9-((2,5-Dioxopyrrolidin-1-yl)oxy)-9-oxononanoic acid (CAS 2098280-28-3)
- 3-(5-Bromo-1H-benzo[d]imidazol-2-yl)aniline (CAS 221671-54-1)
- 6-Chloro-N,1-diphenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 5414-01-7)
- 1-(Butylsulfanyl)-3-chlorobenzene (CAS 84051-22-9)
- 3-(Methylamino)isonicotinonitrile (CAS 847666-22-2)
- 4-Chloro-5-((3-phenylpropyl)amino)pyridazin-3(2h)-one (CAS 869354-04-1)
- 5-Bromo-2-(1h-pyrazol-1-yl)pyridin-3-amine (CAS 1249484-03-4)
- 2-(Methylamino)-n-(propan-2-yl)acetamide hydrochloride (CAS 1209744-77-3)
- 4-Bromo-3,5-difluoroaniline (CAS 203302-95-8)
- 2-((2-Cyano-4-fluorophenyl)amino)-n-(2-methoxyethyl)acetamide (CAS 1427720-03-3)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
Why CATO?
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