1,7,8-Trichlorodibenzo-p-dioxin CAS 82306-65-8
| CAS No. | 82306-65-8 |
| Molecular Formula | C12H5Cl3O2 |
| Molecular Weight | 287.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 287.53 g/mol gives 1,7,8-Trichlorodibenzo-p-dioxin distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,7,8-Trichlorodibenzo-p-dioxin (CAS 82306-65-8), molecular formula C12H5Cl3O2 and molecular weight 287.53 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,7,8-Trichlorodibenzo-p-dioxin (C12H5Cl3O2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 287.53 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.
CATO manufactures 1,7,8-Trichlorodibenzo-p-dioxin under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H5Cl3O2 |
| Molecular Weight | 287.53 g/mol |
| Appearance | Pale yellow to 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 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl-containing |
Related Trichlorodibenzo Standards
- 1,2,3-Trichlorodibenzo-p-dioxin (CAS 54536-17-3)
- 1,2,4-Trichlorodibenzo-p-dioxin (CAS 39227-58-2)
- 2,3,7-Trichlorodibenzo-p-dioxin (CAS 33857-28-2)
- 3,7,8-Trichlorodibenzo[b,e][1,4]dioxin-2-amine (CAS 71721-80-7)
- 1,3,7-Trichlorodibenzo[b,d]furan (CAS 64560-16-3)
- 1,4,8-Trichlorodibenzo[b,d]furan (CAS 64560-14-1)
- 1,6,7-Trichlorodibenzo[b,d]furan (CAS 83704-46-5)
- 1,6,8-Trichlorodibenzo[b,d]furan (CAS 82911-59-9)
Recommended Standards
- 2-Bromo-4-fluoro-5-methylbenzenesulfonyl Chloride (CAS 874804-16-7)
- 5-chloro-7-iodo-1H-pyrazolo[3,4-c]pyridine (CAS 1951371-15-5)
- 2-Bromo-5-fluoro-4-methylbenzenesulfonyl Chloride (CAS 874801-51-1)
- 2-(Bromomethyl)-5-fluorobenzenesulfonyl chloride (CAS 1820717-41-6)
- 2-Tetradecyl-1-octadecanol (CAS 32582-32-4)
- 2,6-Bis[(4S)-4,5-dihydro-4-(1-methylethyl)-2-oxazolyl]-4-[4-[(1-methylethyl)thio]phenoxy]pyridine (CAS 1061212-99-4)
- Tri([1,1':2',1''-terphenyl]-4-yl)amine (CAS 198639-41-7)
- 5-Oxo-5-(4-oxopiperidin-1-yl)pentanoicacid (CAS 675602-62-7)
- 4-(Difluoromethyl)-3,5-dimethoxypicolinonitrile (CAS 1806039-84-8)
- 1-(Piperidine-4-carbonyl)pyrrolidine-2-carboxamide hydrochloride (CAS 1231925-79-3)
- 2-(2-Amino-4-(4-isopropylphenyl)thiazol-5-yl)acetic acid (CAS 1181261-10-8)
- Methyl (S)-2-benzamido-3-(4-hydroxy-3-methoxyphenyl)propanoate (CAS 51593-52-3)
- Tert-butyl 4-hydroxyindoline-1-carboxylate (CAS 350683-35-1)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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