2-(2-Chloro-4-hydroxyphenoxy)acetic acid CAS 7417-87-0
| CAS No. | 7417-87-0 |
| Molecular Formula | C8H7ClO4 |
| Molecular Weight | 202.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 202.59 g/mol gives 2-(2-Chloro-4-hydroxyphenoxy)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-Chloro-4-hydroxyphenoxy)acetic acid (CAS 7417-87-0), molecular formula C8H7ClO4 and molecular weight 202.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7ClO4, 2-(2-Chloro-4-hydroxyphenoxy)acetic acid 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 202.59 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(2-Chloro-4-hydroxyphenoxy)acetic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H7ClO4 |
| Molecular Weight | 202.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
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Recommended Standards
- (E)-3-(3,4-Difluorophenyl)acryloyl Chloride (CAS 376608-66-1)
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- (E)-3-(2,4-Difluorophenyl)acryloyl chloride (CAS 695186-78-8)
- 2-(4-Chloro-2-hydroxyphenoxy)acetic acid (CAS 7417-89-2)
- 2-((6-(2,4-Dimethylthiazol-5-yl)pyridazin-3-yl)oxy)ethan-1-amine (CAS 1283108-61-1)
- 1-(Chloromethyl)-4-ethyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 86662-61-5)
- 5-Bromo-3-(difluoromethyl)-2-methylpyridin-4-amine (CAS 1805259-70-4)
- 6-Benzyl-4-chloro-8,8-dimethyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 1332455-40-9)
- 2-(1,1-dimethylethoxy)-Ethanamine, hydrochloride (1:1) (CAS 335598-67-9)
- (1S,3S,4S)-3-hydroxy-7-azabicyclo[2.2.1]Heptane-1-carboxylic acid (CAS 186958-03-2)
- 7-Methoxy-1-methyl-2-tetralone (CAS 1204-23-5)
- 2-(2-Hydroxyethyl)benzimidazole (CAS 4857-01-6)
- 1-chloro-2,2-dimethoxypropane (CAS 32730-70-4)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
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