4-[4-(9h-fluoren-9-yl)piperazin-1-yl]-4-oxobutanoic acid CAS 714201-06-6
| CAS No. | 714201-06-6 |
| Molecular Formula | C21H22N2O3 |
| Molecular Weight | 350.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-[4-(9h-fluoren-9-yl)piperazin-1-yl]-4-oxobutanoic acid (CAS 714201-06-6), molecular formula C21H22N2O3 and molecular weight 350.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 4-[4-(9h-fluoren-9-yl)piperazin-1-yl]-4-oxobutanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 350.41 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.
Physical & Chemical Properties
| Molecular Formula | C21H22N2O3 |
| Molecular Weight | 350.41 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 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related h Standards
- (9H-Fluoren-9-yl)methyl 4-methylbenzenesulfonate (CAS 71532-40-6)
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- (9H-fluoren-9-yl)methyl (2,6-dioxopiperidin-3-yl)carbamate (CAS 1467314-65-3)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-1,2,5-oxadiazole-3-carboxylic acid (CAS 2243513-47-3)
- 1-(((9H-fluoren-9-yl)methoxy)carbonyl)-5-oxopyrrolidine-2-carboxylic acid (CAS 109425-56-1)
- 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-oxocyclobutane-1-carboxylic acid (CAS 2137820-81-4)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid (CAS 1072488-52-8)
- 2-[1-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetic acid (CAS 1199775-14-8)
Recommended Standards
- 4,6-Diamino-2-phenylpyrimidine-5-carbaldehyde (CAS 37531-47-8)
- 4-Benzyl 1-(tert-butyl) (R)-2-(hydroxymethyl)piperazine-1,4-dicarboxylate (CAS 930782-89-1)
- 4-(Allyloxy)-2-{[(methylsulfonyl)oxy]-methyl}benzyl methanesulfonate (CAS 1987123-46-5)
- 4-Benzyl 1-(tert-butyl) (S)-2-(hydroxymethyl)piperazine-1,4-dicarboxylate (CAS 385802-84-6)
- 3-(4-Bromophenyl)-5-(ethylsulfonyl)-1H-1,2,4-triazole (CAS 924663-94-5)
- β-D-Galactopyranosylamine, N-(triphenylphosphoranylidene)-, 2,3,4,6-tetraacetate (CAS 6920-04-3)
- 2-Amino-N-methyl-N-(pyridin-3-ylmethyl)acetamide dihydrochloride (CAS 1240528-55-5)
- 4-Amino-3-methyl-5-nitrobenzoic Acid (CAS 37901-94-3)
- 2,4-Dimethoxy-3-methylbenzene-1-sulfinic acid (CAS 102333-52-8)
- beta-Fluoro-DL-alanine (CAS 43163-93-5)
- 2-((4-(6-Methylbenzo[d]thiazol-2-yl)phenyl)carbamoyl)benzoic acid (CAS 299164-58-2)
- 2-Phenyl-4-((3-phenylprop-2-yn-1-yl)oxy)-4,5,6,7-tetrahydrobenzofuran (CAS 771477-54-4)
- tert-Butyl 2-(cyclopropylmethyl)-7-(2-hydroxyethyl)-6,7-dihydro-2H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate (CAS 1391732-80-1)
- Valosin Peptide (VQY), porcine (CAS 99510-37-9)
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