Picosulfate Impurity 36 CAS CATO-C4X-123736
| CAS No. | CATO-C4X-123736 |
| Molecular Formula | C18H14NO6S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Picosulfate Impurity 36 (CAS CATO-C4X-123736) is a certified pharmaceutical impurity reference standard with the molecular formula C18H14NO6SNa and a molecular weight of 395.36 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Picosulfate Impurity 36 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 395.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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), Picosulfate Impurity 36 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 | C18H14NO6S Na |
| Molecular Weight | 395.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Picosulfate Standards
- Picosulfate Sodium (CAS 10040-45-6)
- Picosulfate Impurity 12 (CAS 105745-58-2)
- Picosulfate Impurity 17 (CAS 109810-81-3)
- Sodium Picosulfate Impurity 11 (CAS 1121-60-4)
- Picosulfate Impurity 16 (CAS 13004-51-8)
- Sodium Picosulfate Monohydrate (CAS 1307301-38-7)
- Picosulfate impurity 23 (CAS 158839-52-2)
- Picosulfate Impurity 15 (CAS 16985-07-2)
Recommended Standards
- Mosapride Impurity 36 (CAS 112886-56-3)
- Oseltamivir Impurity 253 (CAS CATO-C4X-1720253)
- Methylprednisolone Impurity 72 (CAS 1012306-79-4)
- 2-(Dimethyl(3-oleamidopropyl)ammonio)acetate (CAS 25054-76-6)
- 1-(4-Methoxyphenyl)-3-methyl-1h-pyrazol-5-amine (CAS 91331-86-1)
- 2-Amino-7,7-Dimethyl-7,8-Dihydropyrido[4,3-D]Pyrimidin-5(6H)-One (CAS 2177266-59-8)
- Pramipexole Impurity 8 (CAS 936751-11-0)
- Tert-butyl (1-hydroxy-4-methylpent-4-en-2-yl)carbamate (CAS 1824351-48-5)
- 2-((3-((2-Methoxyethyl)carbamoyl)phenyl)carbamoyl)benzoic acid (CAS 940540-44-3)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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