1,2,5-Trichloro-3-ethynylbenzene CAS 1057669-99-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1057669-99-4 |
| Molecular Formula | C8H3Cl3 |
| Molecular Weight | 205.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1,2,5-Trichloro-3-ethynylbenzene (CAS 1057669-99-4) pharmaceutical standards reference standard. Molecular formula: C8H3Cl3. Molecular weight: 205.47 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H3Cl3 |
| Molecular Weight | 205.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
Related Trichloro Standards
- 1,3,5-Trichloro-2-ethynylbenzene (CAS 152174-09-9)
- 1,2,3-Trichloro-5-ethynylbenzene (CAS 2013531-87-6)
- 1,2,4-Trichloro-5-ethynylbenzene (CAS 6546-87-8)
- 4,4,4-Trichloro-3-hydroxybutanoic acid (CAS 13159-46-1)
- 1,3,5-Trichloro-2-vinylbenzene (CAS 15270-64-1)
- 1,2,4-Trichloro-5-vinylbenzene (CAS 1835-89-8)
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Recommended Standards
- Methyl 2-bromo-2-chloro-2-fluoroacetate (CAS 101385-65-3)
- (3-methylthiophen-2-yl)magnesium bromide 3-Methyl-2-thienylmagnesium bromide 95184-07-9 (CAS 95184-07-9)
- 3-Chloro-2,2-bis(chloromethyl)propanoic acid (CAS 17831-70-8)
- 1-Cyclopropyl-2-fluoro-4-nitrobenzene (CAS 2366994-63-8)
- 1,2-Dimethyl-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 1210431-57-4)
- Methyl 2-bromo-5,6,7,8,9,10-hexahydrocyclohepta[b]indole-6-carboxylate (CAS 1414958-63-6)
- Methyl 3-cyano-5-methoxyisonicotinate (CAS 1142192-17-3)
- Tedizolid Impurity 79 (CAS 1551262-90-8)
- 1-Phenyl-4,5-dihydro-1H-1,2,3,4-tetrazol-5-one (CAS 355154-95-9)
- Macrophage Inhibitory Peptide (CAS 41961-56-2)
Why CATO?
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