5-(Naphthalen-1-yl)thiophene-2-carboxylic acid CAS 58256-10-3
| CAS No. | 58256-10-3 |
| Molecular Formula | C15H10O2S |
| Molecular Weight | 254.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 5-(Naphthalen-1-yl)thiophene-2-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 254.30 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-(Naphthalen-1-yl)thiophene-2-carboxylic acid (CAS 58256-10-3) is a high-purity analytical reference standard with the molecular formula C15H10O2S and a molecular weight of 254.30 g/mol.
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), 5-(Naphthalen-1-yl)thiophene-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 | C15H10O2S |
| Molecular Weight | 254.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Sulfur Atoms | 1 |
Related Naphthalen Standards
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- N-(naphthalen-2-yl)-5-oxopyrrolidine-2-carboxamide (CAS 1219381-92-6)
- 1-(Naphthalen-1-yl)-5-oxopyrrolidine-3-carboxamide (CAS 910443-55-9)
- N-(naphthalen-1-yl)-5-oxopyrrolidine-2-carboxamide (CAS 471917-20-1)
- 5-(Naphthalen-1-ylamino)-1H-1,2,3-triazole-4-carboxylic acid (CAS 70292-26-1)
- 2-(Naphthalen-1-yl)ethanesulfonyl chloride (CAS 104296-63-1)
- 1-(Naphthalen-1-yl)ethane-1-sulfonyl chloride (CAS 1249583-73-0)
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Recommended Standards
- 4-Phenyltetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide (CAS 873383-88-1)
- Benzyl tetrahydrothiophene-2-carboxylate 1,1-dioxide (CAS 327618-07-5)
- 4-(Cyclopentanesulfonyl)benzoic acid (CAS 860697-74-1)
- Diethyl 2-(thiophen-2-ylmethylene)malonate (CAS 30313-06-5)
- 2-Methylvaleraldehyde (CAS 123-15-9)
- Benzenesulfonic acid, 2-(trifluoromethyl)-, 2-(2,2-difluoroethylidene)hydrazide (CAS 2245235-35-0)
- Methyl 3-((tert-butoxycarbonyl)amino)-5-(2,2,2-trifluoroethyl)thiophene-2-carboxylate (CAS 2163771-84-2)
- 4-(4-Bromophenyl)thiomorpholine 1,1-dioxide (CAS 1093878-42-2)
- 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-2-(4-(trifluoromethyl)phenyl)aceticacid (CAS 885274-28-2)
- methyl 2-amino-2-tetrahydrofuran-3-yl-acetate;hydrochloride (CAS 1922707-24-1)
- 1-(3-fluorophenyl)propane-1,2-dione (CAS 10557-18-3)
- Hex-5-yn-2-one (CAS 2550-28-9)
- 5-[3-Bromo-4-(dimethylamino)phenyl]-2,2-dimethyl-2,3,5,6-tetrahydrobenzo[a]phenanthridin-4(1H)-one (CAS 311795-38-7)
- D-[Asp]9-Semaglutide (CAS CATO-CPTD788631)
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