Methyl 5-chloro-2-hydroxy-3-methylbenzoate CAS 40912-74-1
| CAS No. | 40912-74-1 |
| Molecular Formula | C9H9ClO3 |
| Molecular Weight | 200.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 200.62 g/mol gives Methyl 5-chloro-2-hydroxy-3-methylbenzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Methyl 5-chloro-2-hydroxy-3-methylbenzoate (CAS 40912-74-1), a certified reference material (molecular formula C9H9ClO3, MW 200.62 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H9ClO3, Methyl 5-chloro-2-hydroxy-3-methylbenzoate 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 200.62 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 Methyl 5-chloro-2-hydroxy-3-methylbenzoate 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 | C9H9ClO3 |
| Molecular Weight | 200.62 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.) | 1968 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 8-Methyl-2-(2,2,2-trifluoroacetyl)-1H,2H,3H,4H,5H,10H-benzo[b]1,6-naphthyridin-10-one (CAS 1325306-20-4)
- 5-Bromo-2-cyclopropylthiazole-4-carbaldehyde (CAS 2375262-56-7)
- 1,3-Dimethoxypropan-2-amine hydrochloride (CAS 114261-15-3)
- 2-(4-Bromobenzo[d]oxazol-2-yl)-2-hydroxyacetic acid (CAS 1806488-49-2)
- D-β-Asp9-Tirzepatide (CAS CATO-CPTD788932)
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