Atovaquone Impurity 3 (Mixture of cis and trans Isomers) CAS 95233-36-6
| CAS No. | 95233-36-6 |
| Molecular Formula | C14H17ClO |
| Molecular Weight | 236.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Atovaquone Impurity 3 (Mixture of cis and trans Isomers) (CAS 95233-36-6) is a high-purity analytical reference standard with the molecular formula C14H17ClO and a molecular weight of 236.74 g/mol.
Structurally, Atovaquone Impurity 3 (Mixture of cis and trans Isomers) (C14H17ClO) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 236.74 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C14H17ClO |
| Molecular Weight | 236.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
Related Atovaquone Standards
- Atovaquone Impurity 4 (CAS 91161-85-2)
- Atovaquone Impurity 1 (CAS 49708-81-8)
- Atovaquone Related Compound 3 (CAS 1346600-43-8)
- Atovaquone Impurity 6 (CAS CATO-C4X-15516)
- Atovaquone Impurity 9 (CAS 1100053-58-4)
- Atovaquone EP Impurity C (CAS 1809464-27-4)
- Atovaquone EP Impurity B (RC A) (CAS 137732-39-9)
- Atovaquone (CAS 95233-18-4)
Recommended Standards
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- 3-(3-Chlorophenyl)-1-cyclopentylpropan-1-one (CAS 625445-70-7)
- 4-(2-Fluoro-4-methoxyphenyl)-4,5,6,7-tetrahydro-3h-imidazo[4,5-c]pyridine (CAS 1010882-44-6)
- Methyl 2-iodo-5-sulfamoylbenzoate (CAS 1342849-61-9)
- 2-(3-Ethoxyoxetan-3-yl)-N-methylethan-1-amine (CAS 2306262-75-7)
- (3-Isopropylcyclobutyl)methanol (CAS 1269291-96-4)
- 4-Amino-2-chloro-3-methylphenyl thiocyanate (CAS 14030-84-3)
- Ethylene-1,2-d2 (gas) (cis/trans mixture) (CAS 2382-91-4)
- Methyl 5-cyano-6-methoxynicotinate (CAS 1807249-25-7)
- 2,2,2-Trifluoro-1-(4-(trifluoromethyl)phenyl)ethyl trifluoromethanesulfonate (CAS 666836-33-5)
- 1-Adamantanol (CAS 768-95-6)
- Peptide 434 (CAS CATO-CPTD788434)
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