tert-Butyl 4-(3-(4-fluorophenyl)-1H-1,2,4-triazol-5-yl)piperidine-1-carboxylate CAS 1205638-02-3
| CAS No. | 1205638-02-3 |
| Molecular Formula | C18H23FN4O2 |
| Molecular Weight | 346.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
tert-Butyl 4-(3-(4-fluorophenyl)-1H-1,2,4-triazol-5-yl)piperidine-1-carboxylate (CAS 1205638-02-3) is a high-purity analytical reference standard with the molecular formula C18H23FN4O2 and a molecular weight of 346.40 g/mol.
The molecular framework of tert-Butyl 4-(3-(4-fluorophenyl)-1H-1,2,4-triazol-5-yl)piperidine-1-carboxylate (C18H23FN4O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C18H23FN4O2 |
| Molecular Weight | 346.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- Ranitidine N,S-Dioxide (CAS 1185237-42-6)
- tert-Butyl 4-(3-(3-fluorophenyl)-1H-1,2,4-triazol-5-yl)piperidine-1-carboxylate (CAS 1205638-05-6)
- N-Methyl-2-(6-oxo-2-((2-oxo-2-(o-tolylamino)ethyl)thio)-1,6-dihydropyrimidin-4-yl)acetamide (CAS 1170455-83-0)
- 2-((6-(4-Fluorophenyl)pyrimidin-4-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 1219845-07-4)
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- 2,2-Difluoro-2-(4-nitrophenyl)ethan-1-amine (CAS 1393583-22-6)
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- 6-Methyl-2-(3-methylbut-2-enamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 634162-27-9)
- 2,4-Difluorobenzene-1,3-Dicarbonitrile (CAS 73688-94-5)
- 3,4-Dibromo-thieno[2,3-b]thiophene (CAS 53255-78-0)
- 2-C-(2,3,4,6-Tetra-O-acetyl-a-D-glucopyranosyl) ethyne (CAS 1236069-71-8)
- (5-Cyclopropoxy-6-methoxypyridin-3-yl)methanamine (CAS 1243381-80-7)
- tert-Butyl 4-(2-amino-6-fluorophenoxy)piperidine-1-carboxylate (CAS 1286264-82-1)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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