Sildenafil Citrate 1KG Raw Powder | Sildenafil

Sildenafil Citrate 1KG Raw Powder — First-in-class PDE5 inhibitor (~4h half-life) — selective phosphodiesterase-5 inhibitor studied for cGMP pathway regulation, penile smooth muscle relaxation, and pulmonary arterial hypertension models. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

✓ 99%+ Purity ✓ COA Available
✓ Free Shipping on All Orders ✓ Ships from China (🇨🇳)

$550

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SKU: QSC-SILD-100G-RAWPOWDER
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QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SPPSChina Warehouse

What is Sildenafil?

Sildenafil Citrate (Sildenafil) is a pde5 inhibitor, formula C28H38N6O11S, MW 666.7. Research use only.

Quick Specs

Form Lyophilized powder
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 Fmoc SPPS — Qingdao, China
Storage -20°C sealed | 2–8°C reconstituted (2–4 weeks)
Shelf Life 24 months (unopened)

Frequently Asked Questions

How is this injectable compound supplied?
This QSC injectable is supplied as a ready-to-use solution — no reconstitution required. The stated concentration is in pharmaceutical-grade carrier (oil or aqueous, as indicated). Draw using a sterile syringe appropriate for the solution type.
How should this injectable compound be stored?
Store at room temperature (15–25°C) for oil-based solutions, or 2–8°C for aqueous solutions, away from direct sunlight. Do not freeze oil-based injectables. Properly stored, injectable solutions remain stable for 2–3 years.
What purity is this QSC compound and how is it verified?
All QSC compounds are tested to ≥99% purity by HPLC on every production batch, with MS-confirmed identity. COA is published on the product page and independently verifiable at verify.janoshik.com.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌏 Shipping: China warehouse — 7–14 day global delivery

Source: PubMed / NCBI  ·  Last 10 years  ·  Refreshed every 24 hours  ·  For research reference only — not clinical guidance.

⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION

QSC products are strictly for in vitro and in vivo laboratory research. Not intended for diagnostic, therapeutic, or personal use.

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Research Use Disclaimer

All QSC products are strictly for laboratory, scientific, and research use only. They are not for human consumption, medical treatment, diagnosis, or disease prevention.

By purchasing or using QSC products, you confirm:

  • You are a qualified researcher or acting under the supervision of one.
  • Products will only be used for legitimate research purposes.
  • Products are not evaluated by the FDA or any regulatory authority for human use.
  • You assume all responsibility for legal compliance, proper handling, and storage.
  • You meet the legal age requirement in your jurisdiction.
No Warranty: Products are sold “as is,” with no express or implied warranties regarding efficacy, safety, or suitability. Results in research may vary. QSC is not responsible for outcomes, interpretations, or conclusions drawn from any studies conducted using these products.
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General Safety & Handling

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Not for Human Use

These compounds are for research only. Any off-label, personal, or clinical use is strictly outside the intended scope of supply.

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PPE Required

Always use appropriate personal protective equipment (gloves, lab coat, eye protection) when handling peptides.

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Storage Compliance

Follow product-specific storage conditions to maintain identity, purity, and biological activity.

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Proper Disposal

Dispose of all materials in accordance with institutional biosafety, chemical waste, and hazardous material protocols.

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Verify Quality

Janoshik COAs are available on every product page. Verify batch identity (MS confirmed) and purity (≥99% HPLC) before use.

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Peptide Storage Guidelines

🌑 Light-protected💧 Low moisture🌡️ Stable temperature🔬 Sterile handling

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