Dapagliflozin Impurity 140 CAS 912917-85-2
| CAS No. | 912917-85-2 |
| Molecular Formula | C29H31ClO11 |
| Molecular Weight | 591.00 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Dapagliflozin Impurity 140 (CAS 912917-85-2) is a certified pharmaceutical impurity reference standard with the molecular formula C29H31ClO11 and a molecular weight of 591.00 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system, Dapagliflozin Impurity 140 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 591.00 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C29H31ClO11 |
| Molecular Weight | 591.00 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Dapagliflozin Standards
- Dapagliflozin Impurity 178 (CAS CATO-C4X-1138178)
- Dapagliflozin impurity 220 (CAS 2266576-17-2)
- Dapagliflozin Impurity 42 (CAS CATO-C4X-113842)
- Dapagliflozin Impurity 176 (CAS CATO-C4X-1138176)
- Dapagliflozin Impurity 145 (CAS 1971128-00-3)
- Dapagliflozin Impurity 168 (CAS CATO-C4X-1138168)
- Dapagliflozin impurity 219 (CAS 2640125-03-5)
- Dapagliflozin-3-O-Glucuronide (CAS 1351438-75-9)
Recommended Standards
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