(2S,4S)-Benzyl 2-((((9H-fluoren-9-yl)methoxy)carbonylamino)methyl)-4-hydroxypyrrolidine1-carboxylate CAS 1234908-56-5
| CAS No. | 1234908-56-5 |
| Molecular Formula | C28H28N2O5 |
| Molecular Weight | 472.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 472.53 g/mol gives (2S,4S)-Benzyl 2-((((9H-fluoren-9-yl)methoxy)carbonylamino)methyl)-4-hydroxypyrrolidine1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2S,4S)-Benzyl 2-((((9H-fluoren-9-yl)methoxy)carbonylamino)methyl)-4-hydroxypyrrolidine1-carboxylate (CAS 1234908-56-5), molecular formula C28H28N2O5 and molecular weight 472.53 g/mol, is a CATO reference standard with documented purity and traceability.
(2S,4S)-Benzyl 2-((((9H-fluoren-9-yl)methoxy)carbonylamino)methyl)-4-hydroxypyrrolidine1-carboxylate (C28H28N2O5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C28H28N2O5 |
| Molecular Weight | 472.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4A-methyl-4,4a,5,6-tetrahydronaphthalen-2(3H)-one (CAS 10271-07-5)
- 1,4-Diamino-2,3-dihydroxyanthracene-9,10-dione (CAS 128-84-7)
- Kushenol K (CAS 101236-49-1)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-morpholinophenyl)propanoic acid (CAS 1379882-11-7)
- 4-Allyl-1-benzylpiperidin-4-ol (CAS 883291-28-9)
- (R)-tert-Butyl 4-(fluoromethyl)-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide (CAS 2476729-49-2)
- 2-Bromo-1,4-dimethoxy-3-methyl-naphthalene (CAS 53772-33-1)
- (4-Ethoxy-3-methoxyphenyl)(5-(3-methoxyphenyl)-1H-1,2,4-triazol-3-yl)methanamine (CAS 1707376-78-0)
- 2-Chloro-N-(2,5-dichlorobenzyl)-N-isopropylacetamide (CAS 1353955-08-4)
- (2R,4R)-2-Methyltetrahydro-2H-pyran-4-amine hydrochloride (CAS 2752128-01-9)
- tert-Butyl (1R,4R)-5-oxo-7-azabicyclo[2.2.1]hept-2-ene-7-carboxylate (CAS 635298-67-8)
- (2R,3S,4R)-4-((Triisopropylsilyl)oxy)-2-(((triisopropylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-ol (CAS 201053-37-4)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-ethyl-L-homocysteine (CAS 1562431-51-9)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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