1-[(9H-fluoren-9-ylmethoxy)carbonyl]-4-hydroxy-2-methylpyrrolidine-2-carboxylic acid CAS 2044712-65-2
| CAS No. | 2044712-65-2 |
| Molecular Formula | C21H21NO5 |
| Molecular Weight | 367.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-[(9H-fluoren-9-ylmethoxy)carbonyl]-4-hydroxy-2-methylpyrrolidine-2-carboxylic acid 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.
1-[(9H-fluoren-9-ylmethoxy)carbonyl]-4-hydroxy-2-methylpyrrolidine-2-carboxylic acid (CAS 2044712-65-2) is a high-purity analytical reference standard with the molecular formula C21H21NO5 and a molecular weight of 367.40 g/mol.
Structurally, 1-[(9H-fluoren-9-ylmethoxy)carbonyl]-4-hydroxy-2-methylpyrrolidine-2-carboxylic acid (C21H21NO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 367.40 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C21H21NO5 |
| Molecular Weight | 367.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related H Standards
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxohexanoic acid (CAS 1692075-71-0)
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(oxolan-3-yl)acetic acid (CAS 1695476-98-2)
- 3-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)oxolane-3-carboxylic acid (CAS 1695959-63-7)
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxohexanoic acid (CAS 1696292-17-7)
- 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methoxycyclobutane-1-carboxylic acid (CAS 1696791-50-0)
- 1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-hydroxypiperidine-3-carboxylic acid (CAS 1849869-52-8)
- 1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-hydroxypiperidine-4-carboxylic acid (CAS 1854926-85-4)
- 1-((9H-fluoren-9-yl)methyl) 2-methyl (2S,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate (CAS 191793-75-6)
Recommended Standards
- 1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-3-methoxypyrrolidine-3-carboxylic acid (CAS 2137688-95-8)
- 1-Ethyl-2-imino-5-oxo-N-((tetrahydrofuran-2-yl)methyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 510761-97-4)
- 1-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxycyclopentane-1-carboxylic acid (CAS 369403-17-8)
- 2-((3-(Benzylsulfonyl)-5-nitrophenyl)thio)acetic acid (CAS 883291-52-9)
- cis-1,2,3,4,4a,5,6,7,8,8a-decahydro-1,5-naphthyridine (CAS 13623-83-1)
- 5-Benzyl-2-methyldihydro-1H-pyrrolo[3,4-c]pyridine-1,3,4,6(2H,3aH,5H)-tetraone (CAS 86818-75-9)
- 1-Chloro-2,3-diethoxy-5-nitrobenzene (CAS 91748-11-7)
- 6-(4-Ethylphenyl)pyridazin-3-ol (CAS 55901-96-7)
- (2R,3S,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(2-(((dimethylamino)methylene)amino)-4-oxo-1,4-dihydro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite (CAS 121767-97-3)
- (R)-4-Chloro-7-methyl-5,6,7,8-tetrahydroquinazoline (CAS 1256955-44-8)
- 1-(6-Amino-5-fluoro-2-methylpyridin-3-yl)-2-bromoethan-1-one (CAS 2920209-92-1)
- Tert-butyl (r)-3-(2-amino-5-fluorophenoxy)pyrrolidine-1-carboxylate (CAS 1609963-21-4)
- Methyl 6-formyl-5-nitronicotinate (CAS 2259312-02-0)
- Peptide Impurity 70 TFA Salt (CAS CATO-CPTD788570)
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