1-(4-Fluorobenzyl)-3,5-dimethyl-4-nitro-1H-pyrazole CAS 512810-16-1
| CAS No. | 512810-16-1 |
| Molecular Formula | C12H12FN3O2 |
| Molecular Weight | 249.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 249.24 g/mol gives 1-(4-Fluorobenzyl)-3,5-dimethyl-4-nitro-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(4-Fluorobenzyl)-3,5-dimethyl-4-nitro-1H-pyrazole (CAS 512810-16-1), a certified reference material (molecular formula C12H12FN3O2, MW 249.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H12FN3O2, 1-(4-Fluorobenzyl)-3,5-dimethyl-4-nitro-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 249.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 1-(4-Fluorobenzyl)-3,5-dimethyl-4-nitro-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 | C12H12FN3O2 |
| Molecular Weight | 249.24 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, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorobenzyl Standards
- 4-((4-Fluorobenzyl)amino)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1006448-78-7)
- 1-(3-Fluorobenzyl)-N-hydroxy-5-methyl-1H-1,2,3-triazole-4-carboximidamide (CAS 1255790-91-0)
- 5-Ethyl-1-(3-fluorobenzyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1267817-71-9)
- 5-Ethyl-1-(2-fluorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1267882-46-1)
- Ethyl 2-(4-Fluorobenzyl)oxazole-4-carboxylate (CAS 500367-20-4)
- 5-((3-Fluorobenzyl)oxy)-2-(hydroxymethyl)-4H-pyran-4-one (CAS 865659-14-9)
- 1-(2-Fluorobenzyl)-6-oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid (CAS 1154597-49-5)
- Ethyl 5-(2-fluorobenzyl)-1,3,4-oxadiazole-2-carboxylate (CAS 924861-90-5)
Recommended Standards
- (E)-4-(Benzo[d][1,3]dioxol-5-ylmethylene)thiazolidine-2,5-dione (CAS 782415-38-7)
- 1-[1-(4-Fluoro-phenyl)-propyl]-1H-[1,2,3]triazole-4-carboxylic acid (CAS 889939-76-8)
- (3-bromo-5-methylthiophen-2-yl)trimethylsilane (CAS 80959-94-0)
- 1-[2-(azidomethyl)-5-fluoro-2-methyl-3H-benzofuran-7-yl]ethanone (CAS 2556808-01-4)
- Isobutyraldehyde-d (CAS 122684-65-5)
- 8-Bromo-4-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 1871015-16-5)
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- 2',3'-Dichloro-4'-(difluoromethoxy)propiophenone (CAS 1804517-20-1)
- 6,6'-(Propane-2,2-diyl)bis(3-phenyl-3,4-dihydro-2H-benzo[e][1,3]oxazine) (CAS 154505-70-1)
- Fluoride In Water (CAS CATO-CCRM106088)
- (R)-8-bromo-6-chlorochroman-4-amine (CAS 1221639-12-8)
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- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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