Piribedil Impurity 6 CAS 4971-68-0
| CAS No. | 4971-68-0 |
| Molecular Formula | C15H12O4 |
| Molecular Weight | 256.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| 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 Piribedil Impurity 6.
As a process- or degradation-related impurity, Piribedil Impurity 6 (CAS 4971-68-0, C15H12O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Piribedil Impurity 6 (C15H12O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 256.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), Piribedil 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.
Physical & Chemical Properties
| Molecular Formula | C15H12O4 |
| Molecular Weight | 256.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Piribedil Standards
- Piribedil Impurity N2 (CAS 263-29-6)
- Piribedil Impurity 12 (CAS CATO-C4X-281312)
- Piribedil Impurity 17 (CAS CATO-C4X-281317)
- Piribedil Impurity 10 (CAS 50602-50-1)
- Piribedil Impurity 24 (CAS 1109275-97-9)
- Piribedil Impurity 21 (CAS 147262-41-7)
- Piribedil Impurity 4 (CAS CATO-C4X-28134)
- Piribedil Impurity N5 (CAS 1022849-90-6)
Recommended Standards
- ((3aR,4S,5R,6aS)-5-acetoxy-2-oxohexahydro-2H-cyclopenta[b]furan-4-yl)methyl acetate (CAS 62939-82-6)
- Rac-Pinocembrin (CAS 68745-38-0)
- Methocarbamol Impurity 2 (CAS CATO-C4X-24442)
- 2＇,4,4＇-Trihydroxychalcone (CAS 961-29-5)
- Cholic Acid Impurity 43 (CAS 86678-85-5)
- Landiolol Impurity 64 (CAS CATO-C4X-262164)
- Imipenem Impurity 131 (CAS CATO-C4X-1662131)
- 4-Benzyl-2,5-dimethylphenol (CAS 62577-75-7)
- 8-Chloroquinolin-5-amine hydrochloride (CAS 1156980-60-7)
- 1-(2-Chloro-3-isobutoxypropyl)pyrrolidine (CAS 49571-02-0)
- 5-(1-Aminopropyl)-N-isopropyl-3-methylpyridin-2-amine (CAS 1355179-27-9)
- ((1R,3S)-1-amino-3-(4-bromophenyl)cyclopentyl)methanol (CAS 1240554-98-6)
- 2-Phenoxy-4,6-bis(trichloromethyl)-1,3,5-triazine (CAS 1374651-41-8)
- His-Aib-Semaglutide (CAS CATO-C4X-2226220)
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