(E)-4-((4-((difluoromethyl)thio)phenyl)amino)-4-oxobut-2-enoic acid CAS 301313-36-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 301313-36-0 |
| Molecular Formula | C11H9F2NO3S |
| Molecular Weight | 273.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (E)-4-((4-((difluoromethyl)thio)phenyl)amino)-4-oxobut-2-enoic acid (CAS 301313-36-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H9F2NO3S. Molecular weight: 273.26 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H9F2NO3S |
| Molecular Weight | 273.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related E Standards
- {[4-(difluoromethyl)-2-methyl-2H-pyrazolo[3,4-b]pyridin-6-yl]thio}acetic acid (CAS 1018166-29-4)
- 5-[(Difluoromethyl)thio]-N-(phenylmethyl)-1,3,4-thiadiazol-2-amine (CAS 727717-93-3)
- 2-(Difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-methanol (CAS 1804478-89-4)
- 2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-4-methanol (CAS 1804479-09-1)
- (4-(Difluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridin-3-yl)methanol (CAS 1804952-76-8)
- 2-(Difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-4-methanol (CAS 1805098-80-9)
- (4-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridin-2-yl)methanol (CAS 1805099-31-3)
- 2-(Difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-4-methanol (CAS 1806159-27-2)
Recommended Standards
- (E)-[(2-Methoxyphenyl)methylidene]amino 4-fluorobenzoate (CAS 331460-34-5)
- [(4Z)-4,5,6,7-Tetrahydro-1-benzofuran-4-ylidene]amino 4-fluorobenzoate (CAS 478042-35-2)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(4-fluorophenyl)methanone (CAS 914350-54-2)
- 2,2',3,3',4,4',5,6,6'-Nonabromo-1,1'-biphenyl (CAS 119264-62-9)
- 2-Hydroxy Hippuric Acid (CAS 487-54-7)
- Thiochroman-4-amine hydrochloride (CAS 15857-70-2)
- N-[4-(2-Methoxyethoxy)benzyl]cyclopentanamine (CAS 1040686-86-9)
- 2-(2-Methyl-1-imidazolyl)ethylamine Dihydrochloride (CAS 858513-10-7)
- n-(3-Methylbutan-2-ylidene)hydroxylamine (CAS 600-20-4)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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)
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