Sildenafil Citrate 1KG Raw Powder | Sildenafil
🌏 China Warehouse
QSC Sildenafil Citrate (PDE5 inhibitor, cGMP pathway, erectile & pulmonary vascular research) — 1KG bulk raw powder. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
* The information on this page is a summary and is not intended to cover all available information about this medication. It does not cover all possible uses, directions, precautions, drug interactions or adverse effects and is not a substitute for the expertise and judgement of your healthcare professional.
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What is Sildenafil?
Sildenafil Citrate is a potent, selective PDE5 (phosphodiesterase type 5) inhibitor. Blocks cGMP degradation, elevating intracellular cGMP and mediating smooth muscle relaxation via PKG activation. Standard PDE5 inhibitor reference compound for vascular biology, erectile physiology, pulmonary hypertension, and cGMP pathway research. Research use only.
Research Applications
PDE5 Inhibition Pharmacology
IC50, selectivity panel (PDE1–11), cGMP elevation kinetics — reference compound
Erectile Physiology Research
Corpus cavernosum smooth muscle relaxation, haemodynamic models, NO-cGMP amplification
Pulmonary Hypertension
Pulmonary vascular resistance, PDE5 expression in lung, vasorelaxation studies
Endothelial Function
NO pathway amplification, endothelial cGMP signalling, vascular tone modulation
PDE6 Cross-Reactivity
Sildenafil PDE6 inhibition — visual side effect mechanism, retinal photoreceptor research
Quick Specs
| Form | Raw bulk powder (crystalline/amorphous) |
| Purity | ≥99% by HPLC — every batch |
| CAS Number | 171599-83-0 |
| Molecular Formula | C28H38N6O11S, MW 666.7 |
| Identity | MS molecular weight confirmed — every batch |
| Compound Type | PDE5 Inhibitor |
| COA | Janoshik-independent, publicly verifiable |
| Manufacture | In-house synthesis — Qingdao, China |
| Storage | Room temperature sealed | cool, dry storage |
| Shelf Life | 24 months (unopened) |
Certificate of Analysis (COA)
Frequently Asked Questions
Frequently asked questions
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Websites in professional use templating systems. Commercial publishing platforms and content management systems ensure that you can show different text, different data using the same template. When it’s about controlling hundreds of articles, product pages for web shops.
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