Ethyl 1-(5-{[(3-fluoroanilino)carbonyl]amino}-2-pyridinyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate CAS 477712-83-7
| CAS No. | 477712-83-7 |
| Molecular Formula | C20H20FN5O3 |
| Molecular Weight | 397.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 397.40 g/mol gives Ethyl 1-(5-{[(3-fluoroanilino)carbonyl]amino}-2-pyridinyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 1-(5-{[(3-fluoroanilino)carbonyl]amino}-2-pyridinyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate (CAS 477712-83-7), molecular formula C20H20FN5O3 and molecular weight 397.40 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 1-(5-{[(3-fluoroanilino)carbonyl]amino}-2-pyridinyl)-3,5-dimethyl-1H-pyrazole-4-carboxylate (C20H20FN5O3) contains a steroid core, an amide 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. 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.
As a certified reference material (CRM), Ethyl 1-(5-{[(3-fluoroanilino)carbonyl]amino}-2-pyridinyl)-3,5-dimethyl-1H-pyrazole-4-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 | C20H20FN5O3 |
| Molecular Weight | 397.40 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related Ethyl Standards
- 2-[(2-fluoroanilino)carbonyl]-7-nitro-5-(trifluoromethyl)-1,3-benzothiazol-3-ium-3-olate (CAS 217317-12-9)
- (E)-4-{4-[(4-Fluoroanilino)sulfonyl]anilino}-4-oxo-2-butenoic acid (CAS 349470-42-4)
- 6-{2-[(4-fluoroanilino)carbothioyl]carbohydrazonoyl}-2,1,3-benzoxadiazol-1-ium-1-olate (CAS 286008-42-2)
- 3-(4-Fluoroanilino)-1-(2-phenyl-1,3-thiazol-5-yl)-2-propen-1-one (CAS 338414-54-3)
- Ethyl 4-(4-fluoroanilino)-8-methyl-3-quinolinecarboxylate (CAS 371213-55-7)
- Methyl 4-{[(3-fluoroanilino)carbonyl]amino}-2-methoxybenzenecarboxylate (CAS 477889-70-6)
- 5-[2-(4-Fluoroanilino)vinyl]-3-(methylsulfanyl)-4-isothiazolecarbonitrile (CAS 338751-14-7)
- 4-(4-Fluoroanilino)-3-nitrobenzoic acid (CAS 23764-56-9)
Recommended Standards
- 3-[[(2-Methoxy-3-dibenzofuranyl)amino]sulfonyl]benzoic acid (CAS 618393-56-9)
- Methyl (E)-3-benzamido-2-oxo-6-(2-(thiazol-2-ylamino)vinyl)-2H-pyran-5-carboxylate (CAS 341966-32-3)
- 2-[4-(4-Fluorobenzyl)-1-piperidinyl]-2-oxo-N-(2-oxo-2,3-dihydro-1,3-benzoxazol-6-yl)acetamide (CAS 496054-87-6)
- Methyl 2-[5-cyano-3-(4-methoxybenzyl)-2,4-dioxo-3,4-dihydro-1(2H)-pyrimidinyl]-3-thiophenecarboxylate (CAS 343374-94-7)
- n-(4-Hydroxyphenyl)-n,4-dimethylbenzene-1-sulfonamide (CAS 124772-05-0)
- 2-(1-Phenyl-3-(trifluoromethoxy)propan-2-yl)isoindoline-1,3-dione (CAS 1408279-86-6)
- 3-(((Tetrahydro-2H-pyran-2-yl)methoxy)methyl)aniline (CAS 1016764-34-3)
- 2-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde (CAS 1805296-79-0)
- 4-Methyl-3,5-dinitrobenzoic acid (CAS 16533-71-4)
- 4-Amino-1-(4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)pyrimidin-2(1H)-one (CAS 6027-65-2)
- Benzo[b]thiophen-7-amine (CAS 17402-91-4)
- 4-Acetylphenyl sulfate potassium salt (CAS 38533-41-4)
- 2'-Hydroxy-N,N-dimethyl-[1,1'-biphenyl]-4-carboxamide (CAS 1261921-61-2)
- Uremic Pentapeptide (CAS 71494-20-7)
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