4-(Cyclopentyloxy)thiophene-2-carboxylic acid CAS 1520354-95-3
| CAS No. | 1520354-95-3 |
| Molecular Formula | C10H12O3S |
| Molecular Weight | 212.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(Cyclopentyloxy)thiophene-2-carboxylic acid (CAS 1520354-95-3), a certified reference material (molecular formula C10H12O3S, MW 212.27 g/mol) for analytical method development and quality control.
Structurally, 4-(Cyclopentyloxy)thiophene-2-carboxylic acid (C10H12O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 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 212.27 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 4-(Cyclopentyloxy)thiophene-2-carboxylic 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 | C10H12O3S |
| Molecular Weight | 212.27 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Sulfur Atoms | 1 |
Related Cyclopentyloxy Standards
- Methyl 3-(cyclopentyloxy)isoxazole-5-carboxylate (CAS 1707378-65-1)
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- 4-(Cyclopentyloxy)-2,3-difluorophenol (CAS 1881320-85-9)
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Recommended Standards
- Methyl 3-(5-ethylthiophen-2-yl)-3-oxopropanoate (CAS 1516691-05-6)
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- 5,6,7,8-Tetrahydroquinoline-8-sulfonamide (CAS 1509253-24-0)
- 3-(2-(Dimethylamino)-4-methoxythiazol-5-yl)acrylaldehyde (CAS 1563733-92-5)
- 3-(5-Ethoxycarbonyl-2-furanyl)-2-methyl-1-propene (CAS 951886-46-7)
- tert-Butyl hept-6-en-1-ylcarbamate (CAS 284670-71-9)
- 2-Bromo-5-fluoro-4-(trifluoromethyl)aniline (CAS 1239463-37-6)
- 4-(2-Chlorophenyl)thiomorpholine-3,5-dione (CAS 338421-18-4)
- 1-(4-Ethylcyclohexyl)-5-methylpyrrolidin-2-one (CAS 764717-98-8)
- tert-Butyl ((1R,2R)-2-amino-3,3-difluorocyclohexyl)carbamate (CAS 1109284-37-8)
- Ethyl 4-(methoxy(methyl)amino)-4-oxobutanoate (CAS 1027887-00-8)
- 4-(3-(Trifluoromethyl)-1H-pyrazol-1-yl)benzonitrile (CAS 1059539-29-5)
- 1-(2,5-Dimethylphenyl)-2-methylpropan-1-amine (CAS 1020943-08-1)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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 18665070610 / Nicole.chen@cato-chem.com