GST-HG171 Impurity 9 CAS CATO-C4X-30609
| CAS No. | CATO-C4X-30609 |
| Molecular Formula | C16H19N3O5S |
| Molecular Weight | 365.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 365.40 g/mol gives GST-HG171 Impurity 9 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, GST-HG171 Impurity 9 (CAS CATO-C4X-30609, C16H19N3O5S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
GST-HG171 Impurity 9 (C16H19N3O5S) contains a flavonoid core, 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. 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).
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), GST-HG171 Impurity 9 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 | C16H19N3O5S |
| Molecular Weight | 365.40 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- Bumetanide Photodegradant Impurity 17 (CAS CATO-C4X-198617)
- Amoxicillin (CAS 26787-78-0)
- Bumetanide Impurity 15 (CAS CATO-C4X-198615)
- Ethyl 4-(2-((3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetyl)piperazine-1-carboxylate (CAS 1058197-67-3)
- Hyoscine Butylbromide EP Impurity E (CAS 14861-14-4)
- Hydrocortisone EP Impurity D (CAS 53-35-0)
- Dacomitinib Impurity 46 (CAS CATO-C4X-208646)
- Ferulic Acid-d3 4-O-Sulfate (CAS 1795142-64-1)
- Ceritinib Impurity 63 (CAS CATO-C4X-104863)
- Ethyl 2-(1-bromoethyl)-5-methoxy-1-methyl-6-oxo-1,6-dihydropyrimidine-4-carboxylate (CAS 2857080-72-7)
- N-(2-((4,6-Dimethylpyrimidin-2-yl)thio)cyclohexyl)benzenesulfonamide (CAS 370869-30-0)
- Ethyl 1-(2-aminoacetyl)piperidine-3-carboxylate hydrochloride (CAS 1176419-77-4)
- 5-Chloro-6-((tetrahydro-2H-pyran-4-yl)oxy)pyridin-3-ol (CAS 1355066-48-6)
- Galanin-Like Peptide (rat) trifluoroacetate salt (CAS 245114-97-0)
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