Micafungin Impurity H CAS 1392514-05-4
| CAS No. | 1392514-05-4 |
| Molecular Formula | C56H70N9O23S |
| Molecular Weight | N/A |
| 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 Micafungin Impurity H.
Micafungin Impurity H (CAS 1392514-05-4) is a certified pharmaceutical impurity reference standard with the molecular formula C56H70N9O23SNa and a molecular weight of 1292.27 g/mol.
Micafungin Impurity H (C56H70N9O23SNa) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Micafungin Impurity H 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 | C56H70N9O23S Na |
| Molecular Weight | 1292.27 g/mol |
| Purity | >90% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 26.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 9 |
| Sulfur Atoms | 1 |
Related Micafungin Standards
- Micafungin Impurity 14 Sodium Salt (CAS 1392514-03-2)
- Micafungin Serine Analog (CAS 1392514-04-3)
- Micafungin Impurity 20 (CAS 1392514-06-5)
- Micafungin Intermediate FR901379 (CAS 144371-88-0)
- Micafungin WF11899A Impurity (CAS 160335-87-5)
- Micafungin FR-179642 Impurity (Acid) (CAS 168110-44-9)
- Micafungin Impurity 4 (CAS 179162-55-1)
- Micafungin Sodium (CAS 208538-73-2)
Recommended Standards
- Ribavirin Impurity H (CAS 38934-69-9)
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- Ethyl 7-chlorobenzofuran-2-carboxylate (CAS 260273-62-9)
- N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 33720-98-8)
- 4,4,5,5-Tetramethyl-2-((4-(trifluoromethyl)phenyl)ethynyl)-1,3,2-dioxaborolane (CAS 958633-18-6)
- 6-Nitronicotinoyl chloride (CAS 60780-82-7)
- 4,7-Dibromobenzo[c]thiophene (CAS 1473425-58-9)
- 7-(Difluoromethyl)-5-fluorochroman-4-one (CAS 2810749-43-8)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
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