Clevidipine Butyrate impurity 27 CAS 57058-14-7
| CAS No. | 57058-14-7 |
| Molecular Formula | C7H4Cl4 |
| Molecular Weight | 229.92 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Clevidipine Butyrate impurity 27 is closely related to chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Clevidipine Butyrate impurity 27 (CAS 57058-14-7) is a certified pharmaceutical impurity reference standard with the molecular formula C7H4Cl4 and a molecular weight of 229.92 g/mol.
Clevidipine Butyrate impurity 27 (C7H4Cl4) contains chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Clevidipine Butyrate impurity 27 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 | C7H4Cl4 |
| Molecular Weight | 229.92 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
Related Clevidipine Standards
- Clevidipine Impurity 30 (CAS 1685245-63-9)
- Clevidipine Impurity 34 (CAS CATO-C4X-101534)
- Clevidipine Impurity 35 (CAS CATO-C4X-101535)
- Clevidipine Impurity N1 (CAS 193539-61-6)
- Clevidipine butyrate Impurity 25 (CAS 43107-08-0)
- Clevidipine impurity 37 (CAS CATO-C4X-101537)
- Clevidipine Butyrate impurity 18 (CAS 105383-68-4)
- Clevidipine Butyrate impurity 19 (CAS 253597-20-5)
Recommended Standards
- 2,4-Dichloro-1-(dichloromethyl)benzene (CAS 134-25-8)
- Clotrimazole Impurity 15 (CAS 2136-81-4)
- 29733-70-8 Tetrachloromethylbenzene (CAS 29733-70-8)
- 2-Chlorobenzotrichloride (CAS 2136-89-2)
- Ivermectin EP Impurity K (CAS 74567-01-4)
- Cefodizime Impurity 27 (CAS CATO-C4X-180627)
- Baloxavir Impurity 47 (CAS CATO-C4X-210847)
- 2-benzoyl-8-methyl-2,3-dihydroisoquinoline-1-carbonitrile (CAS 2007919-60-8)
- 4-Methoxy-N-(thiophen-3-ylmethyl)butan-1-amine (CAS 1249584-66-4)
- 2-Iodo-1H-indol-4-amine (CAS 2637446-89-8)
- 2,2-Difluoroethyl Acetate (CAS 1550-44-3)
- (3AR,4s,9bs)-7,9-dichloro-3a,4,5,9b-tetrahydro-3h-cyclopenta[c]quinoline-4-carboxylic acid (CAS 1415811-58-3)
- 2-Ethoxy-6-(((2-fluoro-4-methylphenyl)amino)methyl)phenol (CAS 1039806-10-4)
- Insulin Glargine (CAS 160337-95-1)
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