Cyclopent-1-ene-1,2-dicarboxylic acid CAS 3128-15-2
| CAS No. | 3128-15-2 |
| Molecular Formula | C7H8O4 |
| Molecular Weight | 156.14 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.
Cyclopent-1-ene-1,2-dicarboxylic acid (CAS 3128-15-2), molecular formula C7H8O4 and molecular weight 156.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8O4, Cyclopent-1-ene-1,2-dicarboxylic 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 156.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Cyclopent-1-ene-1,2-dicarboxylic 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 | C7H8O4 |
| Molecular Weight | 156.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Cyclopent Standards
- Cyclopent-3-ene-1,1-dicarboxylic acid (CAS 88326-51-6)
- ethyl 2-(cyclopent-2-en-1-yl)acetate (CAS 15848-49-4)
- 4-(Cyclopent-3-en-1-yl)butanoic acid (CAS 2275348-11-1)
- Cyclopent-2-en-1-yl butyrate (CAS 62088-38-4)
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Recommended Standards
- Bicyclo[2.1.0]Pentane-1,4-dicarboxylic acid (CAS 34731-76-5)
- Bicyclo[1.1.1]pentane-1,3-dicarboxylic Acid (CAS 56842-95-6)
- Ethyl 2-((cyanomethyl)amino)-2-oxoacetate (CAS 349119-47-7)
- Allyl hydrogen maleate (CAS 2424-58-0)
- 2-aminocyclobutan-1-ol hydrochloride (CAS 1443981-58-5)
- 4-(Chloromethyl)-5-methyloxazole (CAS 1240612-11-6)
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- 1-((2R,5R)-2,3,4,5-Tetramethyl-2,5-dihydro-1H-pyrrol-1-yl)ethanone (CAS 120892-98-0)
- 1,2-Dibromo-4-difluoromethoxy-5-nitrobenzene (CAS 1806293-53-7)
- 1-Cyclopropyl-8-(difluoromethoxy)-7-(1-methylisoindolin-5-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 194804-72-3)
- (3R,4R)-4-(piperidin-1-yl)tetrahydrofuran-3-amine dihydrochloride (CAS 1390654-94-0)
- 5-Chloro-2-{[(3-chlorophenyl)methyl]sulfanyl}-1,3-benzoxazole (CAS 338417-17-7)
- 3,4-Dibromo-1H-pyrazolo[3,4-b]pyridine (CAS 1357945-12-0)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
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