N'-(4-Fluorobenzylidene)-5-(4-((4-methylbenzyl)oxy)phenyl)-1H-pyrazole-3-carbohydrazide CAS 634896-60-9
| CAS No. | 634896-60-9 |
| Molecular Formula | C25H21FN4O2 |
| Molecular Weight | 428.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures N'-(4-Fluorobenzylidene)-5-(4-((4-methylbenzyl)oxy)phenyl)-1H-pyrazole-3-carbohydrazide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
N'-(4-Fluorobenzylidene)-5-(4-((4-methylbenzyl)oxy)phenyl)-1H-pyrazole-3-carbohydrazide (CAS 634896-60-9), molecular formula C25H21FN4O2 and molecular weight 428.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C25H21FN4O2, N'-(4-Fluorobenzylidene)-5-(4-((4-methylbenzyl)oxy)phenyl)-1H-pyrazole-3-carbohydrazide contains a steroid core, 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 428.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C25H21FN4O2 |
| Molecular Weight | 428.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related N Standards
- 9-(4-fluorobenzylidene)-2,4,5,7-tetranitro-9H-fluorene (CAS 253605-81-1)
- Ethyl 2-(2-fluorobenzylidene)-5-(2-methoxyphenyl)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 371130-05-1)
- N-(2-(5-(4-Fluorobenzylidene)-2,4-dioxothiazolidin-3-yl)ethyl)-2-(p-tolyl)acetamide (CAS 869351-84-8)
- (Z)-2-(5-(4-fluorobenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)isoindoline-1,3-dione (CAS 477845-34-4)
- 5-(3-Fluorobenzylidene)-2-(4-propoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 606955-41-3)
- Ethyl 2-(2-fluorobenzylidene)-5-(4-(methoxycarbonyl)phenyl)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 609795-93-9)
- (2-Fluorobenzylidene)triphenyl-l5-phosphane (CAS 82757-27-5)
- 2-(7-(4-Fluorobenzylidene)-3-(4-fluorophenyl)-3,3a,4,5,6,7-hexahydro-2H-indazol-2-yl)-2-oxoethyl pyrazine-2-carboxylate (CAS 455300-59-1)
Recommended Standards
- Methyl 5-((4-ethoxyphenyl)carbamoyl)-2-(furan-2-carboxamido)-4-methylthiophene-3-carboxylate (CAS 335410-98-5)
- tert-Butyl (4-((5-fluoro-7-(2-methoxyethoxy)quinazolin-4-yl)amino)phenyl)carbamate (CAS 2248003-87-2)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-2-(furan-2-carboxamido)-4-methylthiophene-3-carboxylate (CAS 506416-41-7)
- Garcinone D (CAS 107390-08-9)
- 4-(2,3-Difluorophenyl)but-3-en-2-one (CAS 1033193-94-0)
- 2-(Fluoromethyl)cyclobutan-1-amine hydrochloride (CAS 2503206-91-3)
- 2-(4-Chlorophenyl)-N-phenylacetamide (CAS 71512-20-4)
- 2-[(4-Phenoxyphenyl)carbamoyl]acetic acid (CAS 241132-66-1)
- 1-methyl-5-(methylamino)piperidin-2-one dihydrochloride (CAS 1909316-45-5)
- 2-(8-Chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridin-2-yl)benzoic acid (CAS 900015-43-2)
- 2-amino-6-(tert-butoxycarbonylamino)hexanoic acid (CAS 1187656-20-7)
- α-Chloro-3,5,7-Trimethyl-1-Adamantaneacetic Acid (CAS 16668-45-4)
- 2-((2E,4E)-5-(6-((2-hydroxyethyl)(methyl)amino)naphthalen-2-yl)penta-2,4-dien-1-ylidene)malononitrile (CAS 1638151-61-7)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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