Phenyl (3-(tert-butyl)-1-(p-tolyl)-1H-pyrazol-5-yl)carbamate CAS 285984-47-6
| CAS No. | 285984-47-6 |
| Molecular Formula | C21H23N3O2 |
| Molecular Weight | 349.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Phenyl (3-(tert-butyl)-1-(p-tolyl)-1H-pyrazol-5-yl)carbamate is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Phenyl (3-(tert-butyl)-1-(p-tolyl)-1H-pyrazol-5-yl)carbamate (CAS 285984-47-6), molecular formula C21H23N3O2 and molecular weight 349.43 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Phenyl (3-(tert-butyl)-1-(p-tolyl)-1H-pyrazol-5-yl)carbamate (C21H23N3O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 Phenyl (3-(tert-butyl)-1-(p-tolyl)-1H-pyrazol-5-yl)carbamate 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 | C21H23N3O2 |
| Molecular Weight | 349.43 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Panobinostat, 98% (CAS 404950-80-7)
- Finerenone Impurity 103 (CAS CATO-C4X-2880103)
- N,N-Diethyl-3-(4-methoxyphenyl)-1-phenyl-1H-pyrazole-4-carboxamide (CAS 380910-27-0)
- Etrasimod Impurity 31 (CAS 1643842-60-7)
- K-Q-A-G-D-V (CAS 80755-87-9)
- (Z)-2-((E)-(((4-chlorobenzyl)oxy)imino)methyl)-3-(pyridin-4-yl)acrylonitrile (CAS 339106-61-5)
- Guanfacine Impurity 10 (CAS 24067-37-6)
- (S)-3-amino-3-cyclopropylpropanoic acid hydrochloride (CAS 344587-40-2)
- 1,2-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-imidazole (CAS 2223050-13-1)
- 6-Amino-2-(2-pyridyl)-1H-benzimidazole (CAS 55396-63-9)
- 5-Bromo-2,4-dichloro-1H-1,3-benzimidazole (CAS 1388025-14-6)
- Atracurium Impurity 20 (CAS 96946-41-7)
- (2-(Tert-butyl)-6-(trifluoromethyl)pyridin-4-yl)boronic acid (CAS 2225179-66-6)
- Serpent Peptide (CAS 823202-99-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com