Methyl 1-(2,4-Difluoro-phenyl)-5-((4-tert-butyl-thiosemicarbazono)methyl)-1H-pyrazole-4-carboxylate CAS 264233-05-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 264233-05-8 |
| Molecular Formula | C17H19F2N5O2S |
| Molecular Weight | 395.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 1-(2,4-Difluoro-phenyl)-5-((4-tert-butyl-thiosemicarbazono)methyl)-1H-pyrazole-4-carboxylate (CAS 264233-05-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C17H19F2N5O2S. Molecular weight: 395.43 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H19F2N5O2S |
| Molecular Weight | 395.43 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ketanserin (CAS 74050-98-9)
- N-((3,4-dimethoxyphenyl)sulfonyl)-N-(4-ethoxyphenyl)glycine (CAS 462064-77-3)
- Ethyl 5-((2-(methoxycarbonyl)phenyl)thio)-3-phenyl-1,2,4-triazine-6-carboxylate (CAS 338957-34-9)
- 2-[4-(prop-2-ynamido)phenyl]acetic acid (CAS 1016865-10-3)
- (4-Chlorophenyl)(isoquinolin-1-yl)methanol (CAS 31101-09-4)
- 4-Hydroxy Toremifene (CAS 110503-62-3)
- 5-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid (CAS 165948-21-0)
- (4-Fluoro-3-methoxy[1,1-biphenyl]-3-yl)-methanamine hydrochloride (CAS 1185301-66-9)
- Ethyl 5-(((2-bromophenyl)thio)methyl)isoxazole-3-carboxylate (CAS 823219-94-9)
- Biotinyl-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 213779-13-6)
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