1-(2-Fluoroethyl)-5-(isopropoxymethyl)-1H-pyrazole CAS 1856045-13-0
| CAS No. | 1856045-13-0 |
| Molecular Formula | C9H15FN2O |
| Molecular Weight | 186.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 1-(2-Fluoroethyl)-5-(isopropoxymethyl)-1H-pyrazole is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 186.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
1-(2-Fluoroethyl)-5-(isopropoxymethyl)-1H-pyrazole (CAS 1856045-13-0), molecular formula C9H15FN2O and molecular weight 186.23 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 1-(2-Fluoroethyl)-5-(isopropoxymethyl)-1H-pyrazole 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.
Physical & Chemical Properties
| Molecular Formula | C9H15FN2O |
| Molecular Weight | 186.23 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoroethyl Standards
- Ethyl 1-(2-fluoroethyl)-1H-pyrazole-5-carboxylate (CAS 1198437-41-0)
- Ethyl 1-(2-fluoroethyl)-1H-pyrazole-4-carboxylate (CAS 1401727-17-0)
- 1-(2-Fluoroethyl)-3,5-dimethyl-1H-pyrazole-4-carboxylic acid (CAS 1427015-15-3)
- 1-(2-fluoroethyl)-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1592732-47-2)
- 2-(1-(2-Fluoroethyl)piperidin-4-yl)acetic acid (CAS 1499149-68-6)
- 2-(2-Fluoroethyl)-4,5,6,7-tetrahydro-2H-indazol-3-amine (CAS 2499554-49-1)
- N-(2-Fluoroethyl)-3-methoxy-N-methylaniline (CAS 596820-75-6)
- Bis(2-Fluoroethyl) Sulfate (CAS 381-46-4)
Recommended Standards
- 4-(Tert-butyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 183303-08-4)
- methyl 2-methoxy-2-(thiophen-2-yl)acetate (CAS 19204-08-1)
- Methyl 4-ethoxythiophene-3-carboxylate (CAS 1823338-68-6)
- Thiazolo[5,4-g]isoquinoline (CAS 193342-78-8)
- 20(R)-Hydroxy Prednisone (CAS 600-92-0)
- 2-Formylphenyl 4-chlorobenzenesulfonate (CAS 634593-06-9)
- 3-(Aminomethyl)-N,N,3,5,5-pentamethylcyclohexanamine (CAS 1363404-78-7)
- (S)-8-bromo-1-(2-methoxypropyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-c]quinolin-2-one (CAS 1386874-33-4)
- 2-((2-Chloropyrimidin-4-yl)(ethyl)amino)ethan-1-ol (CAS 1249649-66-8)
- 1-{pyrazolo[1,5-b]pyridazin-3-yl}methanamine (CAS 1461705-67-8)
- N,N-Bis (2-hydroxyethyl) tridecylamine (CAS 68155-05-5)
- 2-(Cyclohexylamino)nicotinonitrile (CAS 77276-34-7)
- 2-(5-(Pyrrolidin-1-ylsulfonyl)-1H-benzo[d][1,2,3]triazol-1-yl)ethan-1-amine (CAS 951523-69-6)
- [α-Glu](Sidechain trans-position)-Liraglutide (CAS CATO-C4X-199240)
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