Vardenafil USP Related Compound E CAS 448184-46-1
| CAS No. | 448184-46-1 |
| Molecular Formula | C21H28N6O4S |
| Molecular Weight | 460.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Vardenafil USP Related Compound E under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Vardenafil USP Related Compound E (CAS 448184-46-1), molecular formula C21H28N6O4S and molecular weight 460.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Vardenafil USP Related Compound E is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 460.55 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H28N6O4S |
| Molecular Weight | 460.55 g/mol |
| Purity | >95% |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Vardenafil Standards
- Vardenafil EP impurity A (CAS CATO-C4X-101722)
- Vardenafil EP Impurity A (CAS 2169247-39-4)
- Vardenafil Impurity 66 (CAS CATO-C4X-101766)
- Vardenafil Impurity N19 (CAS 2411340-39-9)
- Vardenafil Impurity 36 (CAS 224788-36-7)
- Vardenafil Impurity 31 (CAS CATO-C4X-101731)
- Vardenafil Acetyl Analogue (CAS 1261351-28-3)
- Vardenafil Acetyl-d5 Analogue (CAS 1330171-51-1)
Recommended Standards
- N-(4-methoxyphenyl)-2-((5-(2-methoxyphenyl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 333313-43-2)
- N-(2-methoxyphenyl)-2-((5-(phenoxymethyl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 333322-50-2)
- Ethyl 6-amino-5-cyano-2-{[(3-cyano-6-ethyl-5-methylpyridin-2-yl)sulfanyl]methyl}-4-phenyl-4H-pyran-3-carboxylate (CAS 296798-03-3)
- 5-((3-(4-Methoxy-3-methylphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-2-morpholinothiazol-4(5H)-one (CAS 623935-37-5)
- 2-(2-Fluorophenyl)cyclopentan-1-ol (CAS 1250622-40-2)
- Dibutyl 2-aminosuccinate (CAS 2885-11-2)
- 2-(1-(3-Fluoro-4-methylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)acetic acid (CAS 1416346-02-5)
- 2-(1-(((4-Acetamidophenyl)sulfonamido)methyl)cyclohexyl)acetic acid (CAS 1175804-00-8)
- Irsogladine Impurity C18 (CAS 29366-77-6)
- 4-(3-Isopropyl-1h-pyrazol-1-yl)phenol (CAS 1339158-51-8)
- tert-Butyl N,N'-diisopropylcarbamimidate (CAS 71432-55-8)
- 4,5-Dichloro-2,3-dihydro-1H-inden-1-amine (CAS 67236-34-4)
- 9-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 123458-49-1)
- Semaglutide-d15 (CAS 910463-68-2(non-labelled))
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