Diclofenac sodium Impurity 6 CAS 70172-33-7
| CAS No. | 70172-33-7 |
| Molecular Formula | C14H13NO2 |
| Molecular Weight | 227.26 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Diclofenac sodium Impurity 6 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.
Diclofenac sodium Impurity 6 (CAS 70172-33-7) is a certified pharmaceutical impurity reference standard with the molecular formula C14H13NO2 and a molecular weight of 227.26 g/mol.
Based on its molecular formula C14H13NO2, Diclofenac sodium Impurity 6 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 227.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C14H13NO2 |
| Molecular Weight | 227.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Related Diclofenac Standards
- Diclofenac Impurity N1 (CAS 131023-43-3)
- Diclofenac Impurity 40 (CAS CATO-C4X-105140)
- Diclofenac impurity 4 (CAS 1928-49-0)
- Diclofenac Impurity 21 (CAS 105836-68-8)
- Diclofenac Sodium Impurity 33 (CAS 58373-59-4)
- Diclofenac sodium Impurity 38 (CAS 15307-93-4)
- Diclofenac Related Compound 14 (CAS 3644-56-2)
- Diclofenac impurity 6 (CAS 860541-55-5)
Recommended Standards
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- Ibrutinib Impurity 193 (CAS 60034-89-1)
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