(E)-4-[5-(Butyrylamino)-2-chloroanilino]-4-oxo-2-butenoic acid CAS 940106-84-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 940106-84-3 |
| Molecular Formula | C14H15ClN2O4 |
| Molecular Weight | 310.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-4-[5-(Butyrylamino)-2-chloroanilino]-4-oxo-2-butenoic acid (CAS 940106-84-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H15ClN2O4. Molecular weight: 310.73 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H15ClN2O4 |
| Molecular Weight | 310.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related E Standards
- 4-{2-[4-(Butyrylamino)benzoyl]hydrazino}-4-oxobutanoic acid (CAS 327066-15-9)
- 5-[5-(Butyrylamino)-2-chloroanilino]-5-oxopentanoic acid (CAS 925075-78-1)
- 3808AF 5-[4-(Butyrylamino)anilino]-5-oxopentanoic acid 940477-91-8 C15H20N2O4 (CAS 940477-91-8)
- (E)-4-[3-(Butyrylamino)anilino]-4-oxo-2-butenoicacid (CAS 940227-13-4)
- ethyl 2-(butyrylamino)-3,3,3-trifluoro-2-hydroxypropanoate (CAS 328270-25-3)
- 2-({2-[4-(Butyrylamino)benzoyl]hydrazino}carbonyl)cyclohexanecarboxylic acid (CAS 913248-31-4)
Recommended Standards
- 1-tert-Butyl 2-methyl 4-chloro-1H-pyrrolo[3,2-c]pyridine-1,2-dicarboxylate (CAS 1418287-34-9)
- 1-(3-Chlorophenyl)-2-((8-hydroxyquinolin-5-yl)imino)ethanone (CAS 26873-14-3)
- 1-(4-Chlorophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264048-83-0)
- (E)-3-(3,4-Dichlorophenyl)prop-2-en-1-amine (CAS 83665-76-3)
- 5-Chloro-2-hydroxy-3-methoxybenzaldehyde 7740-05-8 AZ0001-0565 MFCD01103568 (CAS 7740-05-8)
- 1-(Azetidin-3-yl)-4-methylpiperidin-4-ol (CAS 1257293-87-0)
- (3,5,5,8,8-Pentamethyl-5,8-dihydronaphthalen-2-yl)boronic acid (CAS 364626-82-4)
- 2,4,7-Trimethoxyquinoline-3-carbaldehyde (CAS 51179-20-5)
- Benzyl ethyl fumarate (CAS 185065-68-3)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
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