4-(3-Oxocyclopentyl)benzoic acid CAS 872613-88-2
| CAS No. | 872613-88-2 |
| Molecular Formula | C12H12O3 |
| Molecular Weight | 204.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(3-Oxocyclopentyl)benzoic acid (CAS 872613-88-2) is a high-purity analytical reference standard with the molecular formula C12H12O3 and a molecular weight of 204.22 g/mol.
Based on its molecular formula C12H12O3, 4-(3-Oxocyclopentyl)benzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 204.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 4-(3-Oxocyclopentyl)benzoic 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 | C12H12O3 |
| Molecular Weight | 204.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Oxocyclopentyl Standards
- 6-(2-Oxocyclopentyl)nicotinic acid (CAS 1391257-66-1)
- [(1R)-3-oxocyclopentyl]methyl ethanesulfonate (CAS 2832230-34-7)
- [(1S)-3-oxocyclopentyl]methyl ethanesulfonate (CAS 2832230-69-8)
- (3-Oxocyclopentyl)boronic Acid Pinacol Ester (CAS 379216-53-2)
- Butyl 3-(2-oxocyclopentyl)propanoate (CAS 79024-99-0)
- 4-(2-oxocyclopentyl)oxane-4-carbonitrile (CAS 1864063-27-3)
- 3-((2-Oxocyclopentyl)thio)propanoic acid (CAS 856811-51-3)
- 3-(3-Oxocyclopentyl)benzonitrile (CAS 1391136-32-5)
Recommended Standards
- 4-(3,5-Dimethoxyphenyl)but-3-yn-2-one (CAS 2605087-14-5)
- 4-(Benzofuran-2-yl)butanoic acid (CAS 91962-99-1)
- 4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)but-3-en-2-one (CAS 22013-47-4)
- 4-Amino-2-fluoro-N-methylbenzenesulfonamide (CAS 654063-25-9)
- 1-(4-Fluorophenyl)-4,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 24522-49-4)
- 2-Amino-N-cyclohexylbenzo[d]thiazole-6-carboxamide (CAS 505078-84-2)
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- N-(4-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide (CAS 478046-85-4)
- 4-[(2-Bromo-5-fluorophenyl)methyl]morpholine hydrochloride (CAS 1881330-79-5)
- Ethyl 4-hydroxy-1-phenyl-2-naphthoate (CAS 675125-42-5)
- (Z)-4-((Isopropylthio)methylene)-3-methylisoxazol-5(4H)-one (CAS 61861-40-3)
- 3-(2-Bromophenyl)-5-methyl-1H-pyrazole hydrochloride (CAS 1238383-59-9)
- N-(4-Ethoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775407-05-0)
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Why CATO?
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