Carbazochrome Impurity 6 CAS CATO-C4X-22916
| CAS No. | CATO-C4X-22916 |
| Molecular Formula | C9H9NO5S |
| Molecular Weight | 243.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Carbazochrome Impurity 6 (CAS CATO-C4X-22916, C9H9NO5S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Carbazochrome Impurity 6 (C9H9NO5S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 243.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), Carbazochrome 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 | C9H9NO5S |
| Molecular Weight | 243.24 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Carbazochrome Standards
- Carbazochrome Impurity 37 (CAS CATO-C4X-229137)
- Carbazochrome-d3 (CAS 69-81-8 (unlabelled))
- Carbazochrome (CAS 69-81-8)
- Carbazochrome Impurity 51 (CAS CATO-C4X-229151)
- Carbazochrome Impurity N4 (CAS 42372-66-7)
- Carbazochrome impurity 46 (CAS CATO-C4X-229146)
- Carbazochrome Impurity 11 (CAS CATO-C4X-229111)
- Carbazochrome Impurity 12 (CAS CATO-C4X-229112)
Recommended Standards
- Ceftizoxime Impurity 54 (CAS CATO-C4X-179354)
- N-nitroso-N-(4-sulfamoylphenyl)acetamide (CAS CATO-C4X-24931)
- Lamivudine Impurity 42 (CAS CATO-C4X-119442)
- Esaxerenone Impurity 4 (CAS CATO-C4X-34484)
- Acetylcholine impurity 3 (CAS 15862-11-0)
- Ibuprofen EP Impurity E (CAS 38861-78-8)
- Ibrutinib Impurity 81 (CAS 143667-36-1)
- 4-Chloro-2-(piperidin-4-yl)phenol hydrochloride (CAS 1311254-53-1)
- 2-(2-Fluorophenyl)azepane (CAS 383130-04-9)
- Protopine (CAS 130-86-9)
- 4-(2-Bromo-5-fluorophenyl)butan-2-ol (CAS 1304292-97-4)
- (R)-1-(2-Chloro-6-fluorobenzyl)pyrrolidin-3-ol (CAS 1261234-77-8)
- Diethyl cyclohex-4-ene-1,2-dicarboxylate (CAS 13043-60-2)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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