4-Oxocyclopentane-1,2-dicarboxylic Acid CAS 1703-61-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1703-61-3 |
| Molecular Formula | C7H8O5 |
| Molecular Weight | 172.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxocyclopentane-1,2-dicarboxylic Acid (CAS 1703-61-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H8O5. Molecular weight: 172.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H8O5 |
| Molecular Weight | 172.14 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 Oxocyclopentane Standards
- 1-Methyl-3-oxocyclopentane-1-carboxylic acid (CAS 85729-35-7)
- 1-Ethyl-2-oxocyclopentane-1-carbonitrile (CAS 99372-97-1)
- 2-Oxocyclopentane-1-carboxamide (CAS 62221-86-7)
- Benzyl 3-oxocyclopentane-1-carboxylate (CAS 130761-99-8)
- 1-Methyl-2-oxocyclopentane-1-carbonitrile (CAS 66984-18-7)
- 3-Methyl-2-oxocyclopentane-1-carbonitrile (CAS 69843-81-8)
- (1R)-3-oxocyclopentane-1-carbonitrile (CAS 180475-44-9)
- (1S)-3-oxocyclopentane-1-carbonitrile (CAS 1821771-40-7)
Recommended Standards
- (S)-3-(2,5-Dioxoimidazolidin-4-yl)propanoic acid (CAS 17027-50-8)
- 2-formylbenzo[d]oxazole-4-carbonitrile (CAS 1806492-06-7)
- (2-Fluorophenyl)dimethylphosphine oxide (CAS 1632540-70-5)
- 1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl 2-ethylhexanoate (CAS 1872262-63-9)
- (2Z)-N-(5-Iodopyridin-2-yl)-3-(pyrrolidin-1-yl)but-2-enamide (CAS 339018-04-1)
- 2-(1-Methyl-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetohydrazide (CAS 938018-24-7)
- 1-Cyclopropoxy-4-methyl-2-(trifluoromethyl)benzene (CAS 1243355-53-4)
- 3-(Aminomethyl)-4-cyclopropoxy-N,N-dimethylbenzamide (CAS 1243459-84-8)
- 3-Amino-5-(2-benzothienyl)pyrazole (CAS 1323441-05-9)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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