(E)-3-(4-Chloro-3-nitrophenyl)acrylic acid CAS 199679-38-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 199679-38-4 |
| Molecular Formula | C9H6ClNO4 |
| Molecular Weight | 227.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-3-(4-Chloro-3-nitrophenyl)acrylic acid (CAS 199679-38-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H6ClNO4. Molecular weight: 227.60 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H6ClNO4 |
| Molecular Weight | 227.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 2014 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-Chloro-6-methoxy-4-nitro-1H-indazole (CAS 1000341-15-0)
- 6-Chloro-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxylic acid (CAS 123040-45-9)
- 2-Chloro-n-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]acetamide (CAS 1354952-25-2)
- 2-Chloro-6-(cyanomethyl)-5-(difluoromethyl)nicotinonitrile (CAS 1804465-03-9)
- 4-Chloro-3-(cyanomethyl)-6-(difluoromethyl)picolinonitrile (CAS 1804665-98-2)
- 2-Chloro-5-(cyanomethyl)-3-(difluoromethyl)isonicotinonitrile (CAS 1804853-99-3)
- 4-Chloro-6-(cyanomethyl)-5-(difluoromethyl)picolinonitrile (CAS 1805051-46-0)
- 6-Chloro-5-(cyanomethyl)-4-(difluoromethyl)picolinonitrile (CAS 1805260-18-7)
Recommended Standards
- (6-Chloro-2-oxo-1,3-benzoxazol-3(2H)-yl)acetic acid (CAS 19739-40-3)
- 2-(4-Chloro-2-nitrophenyl)malondialdehyde (CAS 205744-82-7)
- 3-(4-Chloro-1-methyl-1H-pyrazol-5-yl)isoxazole-5-carboxylic acid (CAS 1934595-97-7)
- 2-{4-[4-(benzyloxy)phenyl]-1H-1,2,3-triazol-1-yl}-4-methyl-6-(2-methylpropyl)pyrimidine (CAS 861206-50-0)
- Methyl 4-chloro-3-methylbenzoate (CAS 91367-05-4)
- (E)-3-(3,4-Dimethoxyphenyl)acryloyl chloride (CAS 141236-46-6)
- (((Methylazanediyl)bis(methylene))bis(4,1-phenylene))diboronic acid (CAS 1704074-22-5)
- Methyl L-leucyl-L-alaninate (CAS 84728-05-2)
- 7-Fluoro-1,3,4,5-tetrahydro-2H-benzo[b]azepin-2-one (CAS 53842-01-6)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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