3-(4-Isobutylphenyl)-N'-(pyridin-2-ylmethylene)-1H-pyrazole-5-carbohydrazide CAS 303104-95-2
| CAS No. | 303104-95-2 |
| Molecular Formula | C20H21N5O |
| Molecular Weight | 347.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(4-Isobutylphenyl)-N'-(pyridin-2-ylmethylene)-1H-pyrazole-5-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.
CATO supplies 3-(4-Isobutylphenyl)-N'-(pyridin-2-ylmethylene)-1H-pyrazole-5-carbohydrazide (CAS 303104-95-2), a certified reference material (molecular formula C20H21N5O, MW 347.41 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 3-(4-Isobutylphenyl)-N'-(pyridin-2-ylmethylene)-1H-pyrazole-5-carbohydrazide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 347.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C20H21N5O |
| Molecular Weight | 347.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Related Isobutylphenyl Standards
- (E)-3-(4-isobutylphenyl)-1-(4-phenylpiperazin-1-yl)prop-2-en-1-one (CAS 329778-16-7)
- 3-(4-Isobutylphenyl)-1-(2-methoxyphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618382-75-5)
- 2-(4-Isobutylphenyl)-6,8-dimethylquinoline-4-carbonyl chloride (CAS 1160262-72-5)
- 2-(4-Isobutylphenyl)-6-methylquinoline-4-carbonyl chloride (CAS 1160253-59-7)
- 3-(4-Isobutylphenyl)-1-(m-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-94-6)
- 3-(4-Isobutylphenyl)-1-(o-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-98-0)
- 3-(4-Isobutylphenyl)-1-(p-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-90-2)
- 2-(4-Isobutylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 932841-29-7)
Recommended Standards
- 3-(1-(Tert-butoxycarbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)tetrahydrofuran-3-carboxylic acid (CAS 2387599-34-8)
- 3-(Anthracen-9-yl)butyl isoxazole-5-carboxylate (CAS 919512-97-3)
- 2-Phenoxy-N-(2-(2-phenylpyrimidin-5-yl)ethyl)propanamide (CAS 2034604-15-2)
- 3-[2-Oxo-2-(4-piperidin-1-yl-phenyl)-eth-(Z)-ylidene]-3,4-dihydro-1H-quinoxalin-2-one (CAS 946384-13-0)
- (5R)-2-Methyl-5-phenylmorpholine (CAS 1957130-62-9)
- 1-Acetyl-5-methoxyindolin-3-one (CAS 62486-04-8)
- 3-(3-Bromophenyl)-1-(2,4-dichlorophenyl)propan-1-one (CAS 898760-69-5)
- (S)-2-((tert-butoxycarbonyl)amino)-2-methylbut-3-ynoic acid (CAS 391678-36-7)
- 3-Hydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 57499-06-6)
- 4-Aminocyclohexanecarbonitrile hydrochloride (CAS 1303968-08-2)
- 3-(((3-Hydroxypropyl)(methyl)amino)methyl)benzonitrile (CAS 1249411-98-0)
- (R)-2-amino-2-(6-chloro-5-(trifluoromethyl)pyridin-3-yl)ethan-1-ol (CAS 1334781-06-4)
- 4-(2,5-Dioxo-3-phenylpyrrolidin-1-yl)benzenesulfonamide (CAS 28103-46-0)
- SV40 Nuclear Transport Signal Peptide Analog (CAS 104914-40-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com