4,5-Dichloro-2-methylphenol CAS 52780-67-3
| CAS No. | 52780-67-3 |
| Molecular Formula | C7H6Cl2O |
| Molecular Weight | 177.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,5-Dichloro-2-methylphenol is closely related to a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4,5-Dichloro-2-methylphenol (CAS 52780-67-3), a certified reference material (molecular formula C7H6Cl2O, MW 177.03 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H6Cl2O, 4,5-Dichloro-2-methylphenol contains 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 177.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,5-Dichloro-2-methylphenol 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 | C7H6Cl2O |
| Molecular Weight | 177.03 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
- 4,5-Dichloro-2,6-dimethylpyrimidine (CAS 105742-66-3)
- 3,6-Dichloro-4-ethylpyridazine (CAS 107228-54-6)
- 2,4-Dichloro-5-methylphenol (CAS 1124-07-8)
- 4,6-Dichloro-2-ethylpyrimidine (CAS 1195-34-2)
- 2,6-dichloro-4-methylpyridin-3-amine (CAS 129432-25-3)
- 3,5-Dichloro-2-ethylpyrazine (CAS 1314936-02-1)
- 2,6-Dichloro-3-methylphenol (CAS 13481-70-4)
- 2,6-Dichloro-N-methylpyridin-3-amine (CAS 142670-86-8)
Recommended Standards
- 3-Chloro-4-(chloromethyl)-6-methylpyridazine (CAS 23372-11-4)
- 4,6-Dichloro-5-ethylpyrimidine (CAS 53967-81-0)
- 3-Chloro-2-(chloromethyl)-5-methylpyrazine (CAS 58549-94-3)
- 4-Chloro-2-(chloromethyl)-6-methylpyrimidine (CAS 64994-45-2)
- (R)-3-Amino-N,N-dimethylpiperidine-1-sulfonamide (CAS 1704962-41-3)
- (4R,4′R)-2,2′-(1,3-Phenylene)bis[4-(1,1-dimethylethyl)-4,5-dihydrooxazole] (CAS 2757083-01-3)
- (6-Methyl-[2,3'-bipyridin]-5'-yl)methanamine (CAS 1346686-86-9)
- 5-Methyl-2-(2-nitrophenyl)oxazole (CAS 52829-70-6)
- Relugolix Impurity 32 (CAS 1334511-36-2)
- 2-Chloro-2,2-difluoro-1-(4-methoxyphenyl)ethan-1-one (CAS 173067-08-8)
- 2-(2-Chlorophenyl)-5-(2-propoxybenzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 609794-89-0)
- Demethyl Isradipine (CAS 88977-30-4)
- Lanreotide Acid (CAS CATO-C4X-23705)
- (D-Ala1)-Peptide T amide (CAS 106362-34-9)
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