3,4-Dichloroguaiacol CAS 77102-94-4
| CAS No. | 77102-94-4 |
| Molecular Formula | C7H6Cl2O2 |
| Molecular Weight | 193.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,4-Dichloroguaiacol (CAS 77102-94-4), molecular formula C7H6Cl2O2 and molecular weight 193.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6Cl2O2, 3,4-Dichloroguaiacol contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3,4-Dichloroguaiacol 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 | C7H6Cl2O2 |
| Molecular Weight | 193.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1979 |
| Halogen Content | Cl-containing |
Recommended Standards
- 3,4-Dichloro-5-ethoxypyridazine (CAS 501919-95-5)
- 3,5-Dichloro-4-(hydroxymethyl)phenol (CAS 720679-54-9)
- 3-(2,2-Dichloro-1-methylcyclopropyl)propiolic acid (CAS 2566-08-7)
- 3,5-Dichloro-4-ethoxypyridazine (CAS 889768-55-2)
- 2-Amino-4-(ethoxycarbonyl)benzoic acid (CAS 218590-80-8)
- Ethyl 5-methylpyrimidine-4-carboxylate (CAS 142730-01-6)
- Diethyl (2,4-dichlorobenzyl)phosphonate (CAS 57277-24-4)
- 2-(4-Methoxyphenyl)-2-(4-methylpiperidin-1-yl)ethan-1-amine (CAS 889939-86-0)
- tert-Butyl (3-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamate (CAS 262433-29-4)
- 1-Bromo-6,7-dihydrothieno[3,4-c]pyridin-4(5H)-one (CAS 1534983-44-2)
- 3-(6-(Aminomethyl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione hydrochloride (CAS 2248702-12-5)
- (S,E)-2-(4-(3-(2-(Trifluoromethyl)-9H-thioxanthen-9-yl)allyl)piperazin-1-yl)ethan-1-ol (CAS CATO-CIM-100235)
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,6-dichlorophenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-26-8)
- D-[Arg]30-Semaglutide (CAS CATO-C4X-222653)
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