Sildenafil
Sildenafil citrate supplied by Loti Labs as a research liquid for laboratory research. Specifications, the current certificate of analysis and the full batch history, all on one page.
Sildenafil 50mg/ml (30ml). For laboratory, analytical and research use only.Compound specifications
| Compound | Sildenafil |
| Class | Sildenafil citrate |
| Molecular formula | C28H38N6O11S |
| Molecular weight | 666.7 g/mol |
| CAS number | 171599-83-0 |
| Form | Research liquid, 30 mL bottle |
| Formats | 50 mg/mL liquid, 30 mL |
Latest certificates of analysis
50 mg/mL liquid, 30 mL
Batch history
| Test date | Format | Batch | Purity | Identity | Laboratory | |
|---|---|---|---|---|---|---|
| Mar 2, 2026 | 50 mg/mL liquid, 30 mL | LLSILD326 | 99.12% | SR Bio Labs | Certificate |
How every batch is tested
Every Loti Labs batch is tested by an independent, U.S.-based third-party laboratory. Purity is measured by HPLC and identity is confirmed by mass spectrometry. Where a certificate includes an endotoxin screen, the result is shown above. Each certificate is archived permanently under its batch number, so earlier batches stay on record after a new one arrives. Search the complete COA archive.
Questions researchers ask
What purity is the current Sildenafil batch?
50 mg/mL liquid, 30 mL: batch LLSILD326 tested at 99.12% purity by HPLC on Mar 2, 2026.
What is the molecular formula and weight of Sildenafil?
Sildenafil has molecular formula C28H38N6O11S and a molecular weight of 666.7 g/mol, CAS 171599-83-0.
How do I find the certificate for my bottle?
Match the lot number printed on the bottle label to the batch column in the history table, or search it in the Loti Labs COA archive. Every certificate is kept permanently under its batch number.
What is Sildenafil from Loti Labs intended for?
Loti Labs supplies Sildenafil strictly for laboratory, analytical and research use. It is not for human or veterinary use, and it is not a drug, food or cosmetic.
Available to registered researchers
Ordering opens after you sign in or create a free research account.
RESEARCH USE ONLY. This page is provided for laboratory, analytical and research reference. Products are not drugs, foods or cosmetics and are not for human or veterinary use.