Arotinolol Impurity 23 CAS CATO-C4X-185423
| CAS No. | CATO-C4X-185423 |
| Molecular Formula | C21H21N5O4S6 |
| Molecular Weight | 599.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Arotinolol Impurity 23 (CAS CATO-C4X-185423) is a certified pharmaceutical impurity reference standard with the molecular formula C21H21N5O4S6 and a molecular weight of 599.81 g/mol.
Based on its molecular formula C21H21N5O4S6, Arotinolol Impurity 23 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 599.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Arotinolol Impurity 23 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 | C21H21N5O4S6 |
| Molecular Weight | 599.81 g/mol |
| Purity | 97%+ |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 6 |
Related Arotinolol Standards
- Arotinolol Impurity 17 (CAS CATO-C4X-185417)
- Arotinolol Impurity 70 (CAS CATO-C4X-185470)
- Arotinolol Impurity 16 (CAS CATO-C4X-185416)
- Arotinolol Impurity 38 (CAS CATO-C4X-185438)
- Arotinolol Impurity 40 (CAS CATO-C4X-185440)
- Arotinolol Impurity 46 (CAS CATO-C4X-185446)
- Arotinolol Impurity 56 (CAS CATO-C4X-185456)
- Arotinolol Impurity 31 (CAS CATO-C4X-185431)
Recommended Standards
- Darunavir impurity 30 (CAS CATO-C4X-160630)
- N-(5-(tert-Butyl)-4-((4-hydroxy-6-isopropyl-2-oxo-6-phenethyl-5,6-dihydro-2H-pyran-3-yl)thio)-2-methylphenyl)thiophene-2-sulfonamide (CAS 263842-74-6)
- Darunavir Impurity 20 (CAS 2307745-62-4)
- PD 173212 (CAS 217171-01-2)
- Neomycin Impurity N1 (CAS 55781-25-4)
- Duloxetine Impurity 23 (CAS CATO-C4X-133623)
- Rizatriptan impurity 20 Oxalate (CAS 144035-23-4 (free base))
- 2-Cyano-3-methylbutanoic acid (CAS 22426-27-3)
- 2-(Pyridin-2-yl)-3-(o-tolyl)quinazoline-4(3H)-thione (CAS 61351-64-2)
- N-(3,5-dimethylphenyl)-3-methyl-[1,2,4]triazolo[4,3-a]pyridine-8-sulfonamide (CAS 1291486-94-6)
- Vancomycin Hydrochloride (CAS 1404-93-9)
- 4-(Thiophene-2-amido)benzoic acid (CAS 25700-63-4)
- (3R,5S)-5-methylpyrrolidin-3-amine (CAS 739340-25-1)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com