3-Chloro-5-(methylthio)benzoic acid CAS 53985-46-9
| CAS No. | 53985-46-9 |
| Molecular Formula | C8H7ClO2S |
| Molecular Weight | 202.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Chloro-5-(methylthio)benzoic acid (CAS 53985-46-9), a certified reference material (molecular formula C8H7ClO2S, MW 202.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H7ClO2S, 3-Chloro-5-(methylthio)benzoic acid contains a sulfone group, 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 202.66 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.
As a certified reference material (CRM), 3-Chloro-5-(methylthio)benzoic 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 | C8H7ClO2S |
| Molecular Weight | 202.66 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-(methylsulfanyl)benzoic acid (CAS 1079360-49-8)
- 7-Chloro-2,3-dihydro-1,4-benzodioxine-6-thiol (CAS 1152581-30-0)
- 3-Chloro-4-(methylsulfanyl)benzoic acid (CAS 121120-08-9)
- 1-(5-Chloro-2-(methylthio)pyrimidin-4-yl)ethanone (CAS 122372-21-8)
- 5-Chloro-4-cyclopropylthiophene-2-carboxylic acid (CAS 1252900-85-8)
- methyl 2-chloro-5-sulfanylbenzoate (CAS 1384427-27-3)
- 3-Chloro-2-(methylthio)benzoic acid (CAS 147460-60-4)
- 5-Chloro-N,N-diethyl-3-fluoropyridin-2-amine (CAS 1504056-40-9)
Recommended Standards
- 2-Phenylethenesulfonyl chloride (CAS 4091-26-3)
- 4-methoxyphenoxymethanecarbothioyl chloride (CAS 940-58-9)
- 2-[(3-chlorophenyl)sulfanyl]acetic acid (CAS 3996-38-1)
- 4-Vinylbenzenesulfonyl chloride (CAS 2633-67-2)
- 3,4,5-Trimethoxy-N-(1-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)benzamide (CAS 1396635-04-3)
- 4-Methyl-3-((tetrahydrothiophen-3-yl)amino)benzonitrile (CAS 1247777-29-2)
- (4-Ethylphenylethynyl)trimethylsilane (CAS 393857-27-7)
- N-(4-isopropoxybutyl)thietan-3-amine (CAS 1862679-10-4)
- 2-(1-(2-Fluorophenyl)cyclopropyl)acetic acid (CAS 1225708-37-1)
- 5-(4-Chlorophenyl)-4-ethyl-4H-1,2,4-triazol-3-yl hydrosulfide (CAS 26131-64-6)
- 3-(1-Amino-2-hydroxyethyl)phenol hydrochloride (CAS 146812-68-2)
- 3-Methylpyrimido[4,5-c]pyridazine-5,7(6H,8H)-dione (CAS 20886-73-1)
- (4-(1-(Cyclopropylamino)ethyl)phenyl)boronic acid (CAS 1704073-37-9)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com