2-Chloro-3-methoxybenzoic acid CAS 33234-36-5
| CAS No. | 33234-36-5 |
| Molecular Formula | C8H7ClO3 |
| Molecular Weight | 186.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 186.59 g/mol gives 2-Chloro-3-methoxybenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Chloro-3-methoxybenzoic acid (CAS 33234-36-5), a certified reference material (molecular formula C8H7ClO3, MW 186.59 g/mol) for analytical method development and quality control.
Structurally, 2-Chloro-3-methoxybenzoic acid (C8H7ClO3) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 186.59 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 2-Chloro-3-methoxybenzoic acid 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 | C8H7ClO3 |
| Molecular Weight | 186.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1966 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 4-Chloro-2-(hydroxymethyl)benzoic acid (CAS 100448-59-7)
- Methyl 2-Chloro-4-hydroxybenzoate (CAS 104253-44-3)
- 3-Chloro-2,4-dihydroxy-6-methylbenzaldehyde (CAS 106325-72-8)
- 2-Chloro-4-(hydroxymethyl)benzoic acid (CAS 1071989-48-4)
- Methyl 2-chloro-3-hydroxybenzoate (CAS 1125632-11-2)
- 2-Chloro-6-hydroxy-4-methoxybenzaldehyde (CAS 116475-68-4)
- 2-Chloro-3-(hydroxymethyl)benzoic acid (CAS 1187238-13-6)
- 4-Chloro-3-(hydroxymethyl)benzoic acid (CAS 1187238-15-8)
Recommended Standards
- 2-Chloro-3-hydroxy-4-methoxybenzaldehyde (CAS 37687-57-3)
- 2-Chloro-4-hydroxy-3-methoxybenzaldehyde (CAS 82668-20-0)
- 2-(Chloromethyl)-4,6-dihydroxybenzaldehyde (CAS 378749-91-8)
- 2-Chloro-4-Methoxybenzoic Acid (CAS 21971-21-1)
- Methyl 2-[(5-Bromo-2-fluorophenyl)amino]butyrate (CAS 1566146-53-9)
- benzyl 3-oxoazetidine-1-carboxylate (CAS 105258-93-3)
- 1-Benzyl-4-(4-bromophenyl)-2,6-diphenylpyridin-1-ium tetrafluoroborate (CAS 83993-92-4)
- tert-Butyl (3S,4R)-3-fluoro-4-methoxypiperidine-1-carboxylate (CAS 1612174-07-8)
- 2-(3-Cyclohexylureido)-2-oxoethyl 3-methyl-2-phenylquinoline-4-carboxylate (CAS 5478-28-4)
- 2-Amino-6-(3,4-dichlorophenethyl)pyrimidin-4(3H)-one (CAS 6625-84-9)
- 5-Fluoro-6-methoxypyridine-3-sulfonyl chloride (CAS 1261658-86-9)
- 3-Bromoisothiazolo[4,3-b]pyridine (CAS 42242-14-8)
- 1-(Oxazolo[4,5-b]pyridin-2-yl)dodecan-1-one (CAS 288862-73-7)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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