(4E)-3-(4-Bromophenyl)-4-[2-(3-methylphenyl)hydrazin-1-ylidene]-4H-pyrazole CAS 338414-37-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338414-37-2 |
| Molecular Formula | C16H13BrN4 |
| Molecular Weight | 341.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (4E)-3-(4-Bromophenyl)-4-[2-(3-methylphenyl)hydrazin-1-ylidene]-4H-pyrazole (CAS 338414-37-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H13BrN4. Molecular weight: 341.21 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H13BrN4 |
| Molecular Weight | 341.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related E Standards
- 2-[(E)-2-[(4-Bromophenyl)methylidene]hydrazin-1-yl]-3-methylquinoxaline (CAS 463368-04-9)
- Ethyl 7-(4-bromophenyl)-4,7-dioxoheptanoate (CAS 1208318-08-4)
- 1-({[(3-bromophenyl)methyl]carbamoyl}amino)cyclopentane-1-carboxylic acid (CAS 954581-24-9)
- 1-(4-Bromophenyl)-3-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-52-5)
- 3-(4-Bromophenyl)-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-44-5)
- 3-(4-Bromophenyl)-1-methyl-5-phenylpyridazin-4(1H)-one (CAS 59591-36-5)
- Methyl 2-(5-(4-bromophenyl)-2-(methylthio)-1H-imidazol-1-yl)acetate (CAS 1207024-03-0)
- 2-(4-(4-Bromophenyl)-2-(dimethylamino)thiazol-5-yl)acetic acid (CAS 1443286-21-2)
Recommended Standards
- (2-(((Anthracen-9-ylmethyl)amino)methyl)phenyl)boronic acid (CAS 408306-36-5)
- 1-((2,4-Dichloro-5-methylphenyl)sulfonyl)-1H-benzo[d]imidazole (CAS 325812-28-0)
- (2-(((Anthracen-1-ylmethyl)amino)methyl)phenyl)boronic acid (CAS 920275-78-1)
- 1-(4-(Morpholinomethyl)thiophen-2-yl)ethan-1-one (CAS 924852-23-3)
- 3-Aminobenzo[d]oxazol-2(3H)-one (CAS 17823-06-2)
- 4-(Difluoromethyl)-3-fluoro-2-iodo-5-methoxypyridine (CAS 1805480-52-7)
- O-aminoserine hydrochloride (CAS 89170-21-8)
- 5-[4-(Methylsulfonyl)phenyl]-1H-indole-3-carbaldehyde (CAS 893734-43-5)
- Benzo[d]isothiazole-3,5-diamine (CAS 613262-29-6)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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 13829788188 / jacky.chen@cato-chem.com