3786-91-2 r-1,c-2,c-3,c-4-Cyclopentanetetracarboxylic acid 1,2,3,4-Cyclopentanetetracarboxylic acid, (1alpha,2alpha,3alpha,4alpha)- AI3-50868 EINECS 223-256-7 CAS 3786-91-2
| CAS No. | 3786-91-2 |
| Molecular Formula | C9H10O8 |
| Molecular Weight | 246.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 3786-91-2 r-1,c-2,c-3,c-4-Cyclopentanetetracarboxylic acid 1,2,3,4-Cyclopentanetetracarboxylic acid, (1alpha,2alpha,3alpha,4alpha)- AI3-50868 EINECS 223-256-7 (CAS 3786-91-2), a certified reference material (molecular formula C9H10O8, MW 246.17 g/mol) for analytical method development and quality control.
Structurally, 3786-91-2 r-1,c-2,c-3,c-4-Cyclopentanetetracarboxylic acid 1,2,3,4-Cyclopentanetetracarboxylic acid, (1alpha,2alpha,3alpha,4alpha)- AI3-50868 EINECS 223-256-7 (C9H10O8) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 246.17 g/mol, it falls into the medium-molecular-weight range. 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).
As a certified reference material (CRM), 3786-91-2 r-1,c-2,c-3,c-4-Cyclopentanetetracarboxylic acid 1,2,3,4-Cyclopentanetetracarboxylic acid, (1alpha,2alpha,3alpha,4alpha)- AI3-50868 EINECS 223-256-7 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 | C9H10O8 |
| Molecular Weight | 246.17 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 |
| 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.) | 1958 |
Recommended Standards
- 1,1,1,2,2-Pentafluoro-6,6-dimethyl-3,5-heptane-dione 1,1,1,2,2-Pentafluoro-6,6-dimethylheptan-3,5-dione 1,1,1,2,2-Pentafluoro-6,6-dimethylheptane-3,5-dione 2145-68-8 (CAS 2145-68-8)
- Pantoprazole Impurity 13 (CAS 97963-75-2)
- Methyl 3,3-difluoro-5-(trifluoromethyl)cyclohexane-1-carboxylate (CAS 2231675-24-2)
- Cytarabine Impurity 27 (CAS CATO-C4X-200527)
- 5-(4-(Dimethylamino)piperidin-1-yl)pyridin-2-amine (CAS 1002317-13-6)
- 2-((4-Allyl-5-(((3,4-dichlorophenyl)amino)methyl)-4H-1,2,4-triazol-3-yl)thio)-N-isopropyl-N-phenylacetamide (CAS 540498-20-2)
- 2-Bromo-4-fluoro-6-iodophenol (CAS 1335094-10-4)
- 4-(4-Bromo-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)-N-hydroxybenzamide (CAS 1706432-37-2)
- (7-Bromo-1,3-dihydroisobenzofuran-4-yl)methanol (CAS 2417387-49-4)
- Plerixafor Impurity 30 6HCl (CAS CATO-C4X-113330)
- Propyl 2-(1,3-dioxoisoindolin-2-yl)acetate (CAS 40531-88-2)
- 2,4-Diphenyl-5,6-dihydrobenzo[h]chromen-1-ium iodide (CAS 87444-91-5)
- 3-(4H-1,2,4-Triazol-3-yl)piperidine dihydrochloride (CAS 1609409-13-3)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
Why CATO?
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