Betacarotene impurity 13 CAS CATO-C4X-281513
| CAS No. | CATO-C4X-281513 |
| Molecular Formula | C40H56O2 |
| Molecular Weight | 568.87 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C40H56O2, Betacarotene impurity 13 contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 568.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO supplies Betacarotene impurity 13 (CAS CATO-C4X-281513), a pharmacopoeial impurity reference standard (molecular formula C40H56O2, MW 568.87 g/mol) used for the identification and quantification of trace impurities in APIs.
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.
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 | C40H56O2 |
| Molecular Weight | 568.87 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Betacarotene Standards
- Betacarotene impurity 7 (CAS CATO-C4X-28157)
- Betacarotene impurity 12 (CAS CATO-C4X-281512)
- Betacarotene EP Impurity B (CAS 472-93-5)
- Betacarotene EP Impurity C (CAS CATO-C4X-28153)
- Betacarotene EP Impurity D (CAS 13312-52-2)
- Betacarotene EP Impurity E (CAS 6811-73-0)
- Betacarotene EP Impurity F (CAS 19361-58-1)
- Betacarotene impurity 10 (CAS CATO-C4X-281510)
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- 5-Methyl-3-oxohexanoic acid methyl ester (CAS 30414-55-2)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
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