3-(2,5-Dichlorothiophen-3-yl)-5-methylisoxazole-4-carboxylic acid CAS 14346-01-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 14346-01-1 |
| Molecular Formula | C9H5Cl2NO3S |
| Molecular Weight | 278.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2,5-Dichlorothiophen-3-yl)-5-methylisoxazole-4-carboxylic acid (CAS 14346-01-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5Cl2NO3S. Molecular weight: 278.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2NO3S |
| Molecular Weight | 278.11 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 methanol, ethanol, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichlorothiophen Standards
- 4-(2,5-Dichlorothiophen-3-yl)-2-(methylsulfanyl)pyrimidine (CAS 339020-26-7)
- 1-(2,5-Dichlorothiophen-3-yl)-2-phenylethan-1-one (CAS 99979-31-4)
- 4-(2,5-Dichlorothiophen-3-yl)-2,2-dimethylbutanoic acid (CAS 1496679-65-2)
- 4-(2,5-Dichlorothiophen-3-yl)-N-methylthiazol-2-amine (CAS 1014452-85-7)
- 6-(2,5-Dichlorothiophen-3-yl)pyrimidine-2(1H)-thione (CAS 338415-91-1)
- (2,5-Dichlorothiophen-3-yl)(phenyl)methanone (CAS 99971-87-6)
- 1-(2,5-Dichlorothiophen-3-yl)-3-(dimethylamino)propan-1-ol (CAS 439110-94-8)
- 2-{[4-(2,5-dichlorothiophen-3-yl)pyrimidin-2-yl]sulfanyl}acetonitrile (CAS 339106-55-7)
Recommended Standards
- Methyl (5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)carbamate (CAS 1430401-05-0)
- 1-Chloro-4-hydroxyisoquinoline-6-sulfonyl chloride (CAS 1443377-63-6)
- Methyl 2-hydroxy-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 1421322-59-9)
- 2-Chloro-6-ethoxy-4-formylphenyl benzenesulfonate (CAS 473828-25-0)
- N-(2-bromoethyl)aniline (CAS 699-11-6)
- 2-Chloro-n-[2-(2,4-dichlorophenyl)-2-(1h-indol-3-yl)ethyl]acetamide (CAS 743452-12-2)
- [5-(4-Methoxyphenyl)-1,2,4-oxadiazol-3-yl]-methylamine (CAS 914810-86-9)
- 2-(4-Ethyl-4h-1,2,4-triazol-3-yl)ethan-1-amine dihydrochloride (CAS 1305711-88-9)
- 6-Nitro-1H-benzo[d]imidazol-1-amine (CAS 261710-05-8)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com