1,4-Dichloro-2-ethynylbenzene CAS 38417-89-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 38417-89-9 |
| Molecular Formula | C8H4Cl2 |
| Molecular Weight | 171.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Dichloro-2-ethynylbenzene (CAS 38417-89-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H4Cl2. Molecular weight: 171.02 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H4Cl2 |
| Molecular Weight | 171.02 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.) | 1967 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
- 3,3-Dichloro-2-methoxytetrahydrofuran (CAS 128538-82-9)
- 1,2-Dichloro-3-ethynylbenzene (CAS 556112-19-7)
- 1,3-Dichloro-2-ethynylbenzene (CAS 6575-25-3)
- 1,3-Dichloro-5-ethynylbenzene (CAS 99254-90-7)
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Recommended Standards
- 1,3-dichloropropan-2-yl acetate (CAS 3674-10-0)
- 1-Chloro-3-(chloroethynyl)benzene (CAS 84553-19-5)
- 1,3-Dichloroacetone Ethylene Ketal (CAS 26271-50-1)
- 8-tert-Butyl 3-ethyl 1-oxa-2,8-diazaspiro[4.5]dec-2-ene-3,8-dicarboxylate (CAS 479636-65-2)
- 5-Methyl-1H-benzo[d]imidazol-6-amine (CAS 177843-72-0)
- N-cyclopropyl-2-methoxynaphthalene-1-sulfinamide (CAS 477762-29-1)
- 1-(1,5-Dimethyl-1H-pyrazol-4-yl)ethan-1-one (CAS 21686-05-5)
- <I>N,N′</I>-bis(benzyloxycarbonyl)-1<I>H</I>-pyrazole-1-formamidine (CAS 152120-55-3)
- 944450-43-5 Dichloro[(R)-5,5 inverted exclamation marka-bis[di(3,5-xylyl)phosphino]-4,4 inverted exclamation marka-bi-1,3-benzodioxole][(2R)-1,1-bis(4-methoxyphenyl)-3-methyl-1,2-butanediamine]ruthenium(II) RuCl2[(R)-DM-SEGPHOS® ][(R)-DAIPEN] (CAS 944450-43-5)
- TRAF6 Control Peptide trifluoroacetate salt (CAS 852690-80-3)
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