1,4-Dichloro-2,5-diethoxybenzene CAS 67828-63-1
| CAS No. | 67828-63-1 |
| Molecular Formula | C10H12Cl2O2 |
| Molecular Weight | 235.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
1,4-Dichloro-2,5-diethoxybenzene (CAS 67828-63-1) is a high-purity analytical reference standard with the molecular formula C10H12Cl2O2 and a molecular weight of 235.11 g/mol.
Structurally, 1,4-Dichloro-2,5-diethoxybenzene (C10H12Cl2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 235.11 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C10H12Cl2O2 |
| Molecular Weight | 235.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
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Recommended Standards
- 1,4-Bis(2-chloroethoxy)benzene (CAS 37142-37-3)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carbonitrile (CAS 463336-26-7)
- 1,2-Bis(2-chloroethoxy)benzene (CAS 53219-99-1)
- 3,3-Dichloro-3,3a,4,5,6,7-hexahydrocycloocta[b]furan-2(9aH)-one (CAS 89630-79-5)
- Methyl 2-cyano-2-(1H-indol-3-yl)acetate (CAS 115610-84-9)
- (S)-2-Amino-N-(3-bromobenzyl)-N-isopropyl-3-methylbutanamide (CAS 1354011-77-0)
- 3-(2-Aminoacetyl)benzonitrile Hydrochloride (CAS 50916-56-8)
- 2-(4-Methoxyphenyl)-5-methyl-1,3-oxazole-4-carboxylic acid (CAS 2940-24-1)
- N-(thietan-3-yl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-8-amine (CAS 1866478-80-9)
- Ticagrelor Impurity 115 (CAS 1823431-32-8)
- tert-Butyl 1-(aminomethyl)-2-azabicyclo[2.1.1]hexane-2-carboxylate (CAS 1250997-62-6)
- 2-(Ethoxymethyl)-1,3-dihydroxyanthracene-9,10-dione (CAS 17526-17-9)
- 2-(o-Tolyl)-5-(trifluoromethyl)-2H-1,2,3-triazol-4-amine (CAS 1707576-45-1)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
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