Dapagliflozin Impurity 71 CAS CATO-C4X-113871
| CAS No. | CATO-C4X-113871 |
| Molecular Formula | C42H48Cl2O12 |
| Molecular Weight | 815.73 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C42H48Cl2O12, Dapagliflozin Impurity 71 contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 815.73 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).
Dapagliflozin Impurity 71 (CAS CATO-C4X-113871) is a certified pharmaceutical impurity reference standard with the molecular formula C42H48Cl2O12 and a molecular weight of 815.73 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Dapagliflozin Impurity 71 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 | C42H48Cl2O12 |
| Molecular Weight | 815.73 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
Related Dapagliflozin Standards
- Dapagliflozin Impurity 124 (CAS 2714814-62-5)
- Dapagliflozin Impurity 162 (CAS CATO-C4X-1138162)
- Dapagliflozin Impurity 170 (CAS CATO-C4X-1138170)
- Dapagliflozin impurity 221 (CAS CATO-C4X-1138221)
- Dapagliflozin Impurity 3 (CAS CATO-C4X-11383)
- Dapagliflozin Impurity 85 (CAS 2452300-79-5)
- Dapagliflozin Impurity 112 (CAS CATO-C4X-1138112)
- Dapagliflozin Impurity 192 (CAS CATO-C4X-1138192)
Recommended Standards
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- (4-Chlorophenyl)trihexadecylsilane (CAS 18822-35-0)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
- Maxacalcitol Impurity 16 (CAS 338956-85-7)
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