Carbazochrome Impurity 54 CAS CATO-C4X-229154
| CAS No. | CATO-C4X-229154 |
| Molecular Formula | C10H14N4O8S2 |
| Molecular Weight | 382.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Carbazochrome Impurity 54 (CAS CATO-C4X-229154) is a certified pharmaceutical impurity reference standard with the molecular formula C10H14N4O8S2 and a molecular weight of 382.37 g/mol.
The molecular framework of Carbazochrome Impurity 54 (C10H14N4O8S2) is characterized by a carbohydrate-derived structure, an amide group, a sulfone group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
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 | C10H14N4O8S2 |
| Molecular Weight | 382.37 g/mol |
| Purity | 97%+ |
| 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 | 4 |
| Sulfur Atoms | 2 |
Related Carbazochrome Standards
- Carbazochrome Impurity 17 (CAS CATO-C4X-229117)
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Recommended Standards
- Ozenoxacin Impurity 80 (CAS CATO-C4X-279680)
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- Boc-Glu(OMe)-ONp (CAS 16947-07-2)
- Suvorexant Impurity 19 (CAS 2762965-03-5)
- Esomeprazole Impurity 112 (CAS 202932-05-6)
- Atosiban Impurity 90 (CAS 125814-33-7)
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- 3-(tert-Butylamino)-N-ethylpropanamide (CAS 1040689-95-9)
- 6-(Trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine (CAS 1211589-93-3)
- 2-((7-Nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)ethanesulfonic acid (CAS 75472-45-6)
- Sildenafil Impurity 272 (CAS CATO-C4X-1128272)
- Pitolisant impurity 27 (CAS 67683-99-2)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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