(E)-1,3-Dimethyl-4-(2-phenylhydrazono)-1H-pyrazol-5(4H)-one CAS 13572-25-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13572-25-3 |
| Molecular Formula | C11H12N4O |
| Molecular Weight | 216.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-1,3-Dimethyl-4-(2-phenylhydrazono)-1H-pyrazol-5(4H)-one (CAS 13572-25-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H12N4O. Molecular weight: 216.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H12N4O |
| Molecular Weight | 216.24 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 4 |
Related E Standards
- 1,3-Dimethyl-5-phenoxy-1H-pyrazole-4-carbaldehyde (CAS 109925-10-2)
- 1,5-Dimethyl-3-phenyl-1H-pyrazole-4-carboxylic acid (CAS 1171501-41-9)
- 3,5-Dimethyl-2-(1H-pyrazol-1-yl)benzoic acid (CAS 1214622-50-0)
- 3,4-Dimethyl-2-(1H-pyrazol-1-yl)benzoic acid (CAS 1214622-51-1)
- 3-(3,5-Dimethyl-4-pyrazolyl)benzoic Acid (CAS 1229025-67-5)
- 6-(2,5-Dimethyl-1H-pyrrol-1-yl)nicotinic acid (CAS 1242997-26-7)
- 4-(4,5-Dimethyl-1H-imidazol-1-yl)benzoic acid (CAS 1251253-26-5)
- 1,1'-Dimethyl-[2,2'-bipyridine]-6,6'(1H,1'H)-dione (CAS 13267-48-6)
Recommended Standards
- Methyl 3-cyclopropylbenzimidazole-5-carboxylate (CAS 1355247-62-9)
- (S)-Phenyl 2-cyanopyrrolidine-1-carboxylate (CAS 1359722-12-5)
- (S)-2-Amino-N-isoquinolin-1-ylmethyl-3-methyl-butyramide (CAS 1353966-30-9)
- 4-[(2-Chloro-5-methylphenoxy)methyl]-3-(2,6-difluorophenyl)-2,3-dihydro-1,3-thiazole-2-thione (CAS 866153-94-8)
- Ethylenediamine Sulfatepalladium (CAS 2252391-32-3)
- 2-(4-Oxo-3-phenyl-1,3-thiazolan-2-yliden)malononitrile (CAS 59615-89-3)
- Methyl (2S,4S)-4-[2-(ethoxycarbonyl)phenoxy]-2-pyrrolidinecarboxylate hydrochloride (CAS 1354484-79-9)
- Methyl (S)-2-acetamido-3-chloropropanoate (CAS 327064-63-1)
- 5-Amino-3-(4-chlorophenyl)isoxazole-4-carbonitrile (CAS 98949-16-7)
- Palmitoyl Tripeptide-5 TFA (CAS 623172-55-4（free base）)
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