1-[(4-Methylphenyl)methyl]-4-nitro-1h-pyrazole CAS 400877-60-3
| CAS No. | 400877-60-3 |
| Molecular Formula | C11H11N3O2 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-[(4-Methylphenyl)methyl]-4-nitro-1h-pyrazole is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-[(4-Methylphenyl)methyl]-4-nitro-1h-pyrazole (CAS 400877-60-3) is a high-purity analytical reference standard with the molecular formula C11H11N3O2 and a molecular weight of 217.22 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 1-[(4-Methylphenyl)methyl]-4-nitro-1h-pyrazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 217.22 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.
CATO manufactures 1-[(4-Methylphenyl)methyl]-4-nitro-1h-pyrazole 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.
Physical & Chemical Properties
| Molecular Formula | C11H11N3O2 |
| Molecular Weight | 217.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Methylphenyl Standards
- 1-[(4-Methylphenyl)methyl]-3-nitro-1h-pyrazole (CAS 1001510-36-6)
- [5-(4-Methylphenyl)isoxazol-3-yl]acetic acid (CAS 1018663-09-6)
- 5-Methyl-2-(3-methylphenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 112630-40-7)
- 1-[(2-Methylphenyl)methyl]-3-nitro-1h-pyrazole (CAS 512809-17-5)
- 1-[(2-Methylphenyl)methyl]-4-nitro-1h-pyrazole (CAS 898053-40-2)
- 1-[(3-Methylphenyl)methyl]-3-nitro-1h-pyrazole (CAS 956358-68-2)
- 1-[(4-methylphenyl)methyl]-4-nitro-1h-imidazole (CAS 903821-75-0)
- 5-Methyl-1-(3-methylphenyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 210159-14-1)
Recommended Standards
- 1-Allyl-3-(benzo[d]oxazol-6-yl)urea (CAS 860785-09-7)
- 1-Benzyl-4-hydroxy-1H-imidazole-5-carboxamide (CAS 82439-85-8)
- 1-Benzyl-5-hydroxy-1H-imidazole-4-carboxamide (CAS 67218-92-2)
- 1-Benzyl-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 54698-60-1)
- Tylosin-d3 (CAS CATO-CCHM702809)
- (2R,3R,4R,5R)-2-(Aminomethyl)-5-methoxytetrahydrofuran-3,4-diol (CAS 733675-00-8)
- 4-Methylbenzofuran-5-carbaldehyde (CAS 119795-37-8)
- (3-Ethoxyphenyl)hydrazine (CAS 90434-59-6)
- 5-(Pyrrolidin-1-ylmethyl)isoxazole-3-carboxylic acid (CAS 893749-87-6)
- 1-(4-Nitrobenzamido)-5-oxopyrrolidine-3-carboxylic acid (CAS 894622-67-4)
- 4-([1,1'-Biphenyl]-4-yl)-2-(pyridin-4-yl)thiazole (CAS 102554-97-2)
- Potassium (((2,4-dimethoxybenzyl)oxy)methyl)trifluoroborate (CAS 1870888-78-0)
- 3-Methoxy-2-methylbenzamide (CAS 135329-22-5)
- Staphylococcus Aureus Protein A (SpA)-Derived Peptide (H-2228.0005) (CAS 144979-26-0)
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