Cyclopropane-1,1,2,2-tetracarboxylic acid CAS 7605-65-4
| CAS No. | 7605-65-4 |
| Molecular Formula | C7H6O8 |
| Molecular Weight | 218.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Cyclopropane-1,1,2,2-tetracarboxylic acid.
Cyclopropane-1,1,2,2-tetracarboxylic acid (CAS 7605-65-4), molecular formula C7H6O8 and molecular weight 218.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6O8, Cyclopropane-1,1,2,2-tetracarboxylic acid contains a carbohydrate-derived structure; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 218.12 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Cyclopropane-1,1,2,2-tetracarboxylic 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 | C7H6O8 |
| Molecular Weight | 218.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Cyclopropane Standards
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- Cyclopropane-1,2,3-tricarboxylic acid (CAS 48126-70-1)
- Cyclopropane-1,1,2-triyltribenzene (CAS 896-65-1)
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