Vardenafil Impurity 64 CAS 224786-03-2
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 224786-03-2 |
| Molecular Formula | C21H29N5O4S |
| Molecular Weight | 447.55 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Vardenafil Impurity 64 (CAS 224786-03-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H29N5O4S. Molecular weight: 447.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H29N5O4S |
| Molecular Weight | 447.55 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2021 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Vardenafil Standards
- Vardenafil Impurity 48 (CAS 224785-72-2)
- Vardenafil Impurity N2 (CAS 448184-54-1)
- Vardenafil Impurity 26 (CAS CATO-C4X-101726)
- Vardenafil USP Related Compound E (CAS 448184-46-1)
- 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)
Recommended Standards
- N-(2,5-dimethylphenyl)-2-(5-(4-ethoxyphenyl)-6-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetamide (CAS 686336-53-8)
- Brexpiprazole Impurity 170 (CAS CATO-C4X-1131170)
- N-(2-((4-(2-Methoxyphenyl)piperazin-1-yl)sulfonyl)ethyl)-2-phenoxypropanamide (CAS 897611-30-2)
- Terlipressin Impurity 24 X TFA Salt (CAS CATO-C4X-219324)
- Esomeprazole Impurity 66 (CAS 14248-66-9)
- Tert-butyl4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridyl]-3,6-dihydro-2h-pyridine-1-carboxylate (CAS 1534381-85-5)
- (4-Methoxybenzyl)-1,2,4-thiadiazol-5-amine (CAS 1443376-74-6)
- (9H-Fluoren-9-ylmethyl)-methyl-amine hydrochloride (CAS 1187930-52-4)
- N-Boc-N'-Mesyl ethylenediamine (CAS 1190044-23-5)
- [D-Glu]3-Semaglutide (CAS CATO-C4X-2226253)
Why CATO?
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