methyl 4-fluoro-1H-pyrazole-3-carboxylate CAS 85605-94-3
| CAS No. | 85605-94-3 |
| Molecular Formula | C5H9FN2O2 |
| Molecular Weight | 148.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
methyl 4-fluoro-1H-pyrazole-3-carboxylate (C5H9FN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies methyl 4-fluoro-1H-pyrazole-3-carboxylate (CAS 85605-94-3), a certified reference material (molecular formula C5H9FN2O2, MW 148.14 g/mol) for analytical method development and quality control.
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), methyl 4-fluoro-1H-pyrazole-3-carboxylate 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 | C5H9FN2O2 |
| Molecular Weight | 148.14 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related methyl Standards
- 4-fluoro-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1198437-08-9)
- 2-Fluoro-1,5-naphthyridine (CAS 1309379-24-5)
- 3-Fluoro-1,6-naphthyridine (CAS 1309379-27-8)
- 7-Fluoro-1,6-naphthyridine (CAS 1309379-30-3)
- 8-Fluoro-1,6-naphthyridine (CAS 1309379-31-4)
- 3-Fluoro-1,7-naphthyridine (CAS 1309379-33-6)
- 4-Fluoro-1,7-naphthyridine (CAS 1309379-34-7)
- 5-Fluoro-1,7-naphthyridine (CAS 1309379-35-8)
Recommended Standards
- methyl 4-fluoro-1H-imidazole-5-carboxylate (CAS 959028-01-4)
- 21744-55-8 5-Methylsulfonyltetrazole C2H4N4O2S V4388 (CAS 21744-55-8)
- methyl 2-fluoro-1H-imidazole-5-carboxylate (CAS 959086-47-6)
- 1-(3,3-Difluorocyclopentyl)ethanone (CAS 1202077-00-6)
- 2-Amino-N-(2-chloro-4-methylphenyl)acetamide (CAS 1039843-69-0)
- 1-(4-Aminopiperidin-1-yl)-2-(2-methoxyphenyl)ethan-1-one (CAS 1094366-31-0)
- 6-Chloro-2-(4-chlorophenyl)-1-((3-(trifluoromethyl)benzyl)oxy)-1H-benzo[d]imidazole (CAS 338978-91-9)
- 4-Nitro-1,3-dihydrobenzo[c]isothiazole 2,2-dioxide (CAS 152339-79-2)
- 2-(4-Fluorophenyl)-cyclopropanecarboxylic acid methoxymethylamide (CAS 1784070-14-9)
- N,2-dimethylbenzamide (CAS 2170-09-4)
- Ethyl 2-((3S)-3-((tert-butoxycarbonyl)amino)piperidin-2-yl)acetate (CAS 2382731-19-1)
- N-(3,4-dichlorophenyl)-3,4-dihydro-2H-pyrrol-5-amine (CAS 31079-46-6)
- (E)-3-phenyl-5-(2-((3-(trifluoromethyl)phenyl)amino)vinyl)isoxazole-4-carbonitrile (CAS 303995-73-5)
- Cycloaspeptide A (CAS 109171-13-3)
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