3-((2-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic acid CAS 1707609-67-3
| CAS No. | 1707609-67-3 |
| Molecular Formula | C13H11ClO4S |
| Molecular Weight | 298.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-((2-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic acid is closely related to a sulfone group, a carboxylic acid group, 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 3-((2-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic acid (CAS 1707609-67-3), a certified reference material (molecular formula C13H11ClO4S, MW 298.74 g/mol) for analytical method development and quality control.
Structurally, 3-((2-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic acid (C13H11ClO4S) contains a sulfone group, 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 298.74 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-((2-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic 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 | C13H11ClO4S |
| Molecular Weight | 298.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorobenzyl Standards
- 3-((3-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic acid (CAS 1707581-45-0)
- 3-((4-Chlorobenzyl)oxy)-5-methoxythiophene-2-carboxylic acid (CAS 1708401-59-5)
- N1-(3-Chlorobenzyl)-4-phenyl-1H-imidazole-1,2-diamine (CAS 1987270-59-6)
- 2-(2-((4-Chlorobenzyl)thio)thiazol-4-yl)acetamide (CAS 941984-75-4)
- (3-((2-Chlorobenzyl)oxy)-2,6-difluorophenyl)boronic acid (CAS 870778-99-7)
- 1-(4-Chlorobenzyl)-4,8-dimethylquinolin-2(1H)-one (CAS 343374-02-7)
- 2-(2-Chlorobenzyl)-4,4-dimethyl-5-propoxyisoxazolidin-3-one (CAS 81778-67-8)
- 1-(4-Chlorobenzyl)-6-(ethylthio)-1,3,5-triazine-2,4(1H,3H)-dione (CAS 1239691-22-5)
Recommended Standards
- 4-Chloro-3-(2-phenoxyethoxy)thiophene-2-carboxylic acid (CAS 1708401-32-4)
- 1-[1-(3-Chloro-phenyl)-ethyl]-piperidin-3-ol (CAS 1146080-30-9)
- 3-[4-(Morpholine-4-carbonyl)-phenoxy]-piperidine-1-carboxylic acid tert-butyl ester (CAS 1146080-22-9)
- 3-(Benzyloxy)-4-chloro-5-methoxythiophene-2-carboxylic acid (CAS 1710202-47-3)
- 4-Chloro-6-methoxycinnoline-3-carbonitrile (CAS 1239784-36-1)
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