5-Chloro-3-(2,4-dichlorophenyl)-1,2-oxazole-4-carbaldehyde CAS 1188228-87-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1188228-87-6 |
| Molecular Formula | C10H4Cl3NO2 |
| Molecular Weight | 276.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-3-(2,4-dichlorophenyl)-1,2-oxazole-4-carbaldehyde (CAS 1188228-87-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H4Cl3NO2. Molecular weight: 276.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H4Cl3NO2 |
| Molecular Weight | 276.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 5-Chloro-3-(3,4-dichlorophenyl)-1,2-oxazole-4-carbaldehyde (CAS 1188051-42-4)
- 5-Chloro-3-(3,5-dichlorophenyl)-1,2-oxazole-4-carbaldehyde (CAS 1188087-52-6)
- (6-Chloro-5-(cyclopropanesulfonamido)pyridin-3-yl)boronic acid (CAS 1204742-71-1)
- 5-Chloro-3-(2,5-diChlorophenyl)-1,2-oxazole-4-carbaldehyde (CAS 1245128-40-8)
- 3-[(4-Chloro-3-methylphenoxy)methyl]phenylboronic acid (CAS 1072951-91-7)
- (4-((4-Chloro-3-methylphenoxy)methyl)phenyl)boronic acid (CAS 849052-25-1)
- 5-Chloro-6-methyl-4-nitro-2,1,3-benzoselenadiazole (CAS 147021-84-9)
- 4-Chloro-1-(3,4-dichlorobenzyl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 1001519-30-7)
Recommended Standards
- Triethoxy(2,4,4-trimethylpentyl)silane (CAS 35435-21-3)
- 1-(2,4,6-Trichlorophenyl)-1H-pyrrole-2,5-dione (CAS 13167-25-4)
- n-Octyltriethoxysilane (CAS 2943-75-1)
- 2-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}acetic acid (CAS 933705-46-5)
- 3-Iodo-5-nitro-1-trityl-1H-indazole (CAS 473416-34-1)
- 8,8-Dimethyl-3-oxa-1-azaspiro[4.5]dec-1-en-2-amine (CAS 1495675-43-8)
- 4-Bromo-2-chloro-3-(trifluoromethyl)aniline (CAS 1807018-36-5)
- 3-(4-Chloro-1h-pyrazol-1-yl)-1-(methylamino)cyclopentane-1-carboxylic acid (CAS 1541713-33-0)
- (S)-N-methyl-N-(1-methylpyrrolidin-3-yl)glycine (CAS 1353998-24-9)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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