Molekula
Sildenafil citrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sildenafil citrate is a pharmaceutical compound used primarily in the treatment of erectile dysfunction and pulmonary arterial hypertension. It functions as a selective inhibitor of phosphodiesterase type 5. Available in powder form, it has a molecular formula of C22H30N6O4S · C6H8O7, a molecular weight of 666.70 g/mol, and should be stored at ambient temperatures. The substance carries a warning signal word due to potential side effects. Molekula supplies Sildenafil citrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £108.80 per pack ex VAT · £130.56 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Melting Point | 182 - 196 ℃ |
| Heavy metals | ≤20ppm |
| Loss on Drying | ≤2.0% |
| Solubility | Freely soluble in Dimethyl Formamide, soluble in glacial acetic acid |
| Sulphated Ash | ≤0.2% |
| Total Impurities | ≤1.5% |
| Assay HPLC | 98.0 - 101% |
| Citric acid | 28.0 - 32.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 82714520 |
| CAS Number | 171599-83-0 |
| IUPAC Name | 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one;2-hydroxypropane-1,2,3-tricarboxylic acid |
| Molecular Formula | C22H30N6O4S ·C6H8O7 |
| Molecular Weight | 666.70 |
| Exact Mass | 666.2319 |
| SMILES | CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)C.C(C(=O)O)C(CC(=O)O)(C(=O)O)O |
| InChIKey | DEIYFTQMQPDXOT-UHFFFAOYSA-N |
| InChI | InChI=1S/C22H30N6O4S.C6H8O7/c1-5-7-17-19-20(27(4)25-17)22(29)24-21(23-19)16-14-15(8-9-18(16)32-6-2)33(30,31)28-12-10-26(3)11-13-28;7-3(8)1-6(13,5(11)12)2-4(9)10/h8-9,14H,5-7,10-13H2,1-4H3,(H,23,24,29);13H,1-2H2,(H,7,8)(H,9,10)(H,11,12) |
| PubChem CID | 135413523 |
| REACH Code | Y110 |
| HTS Code | 29359095 |
| Tariff Code | 2935909099 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H362 May cause harm to breast-fed children
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Caverta
- Citrate, Sildenafil
- Lactate, Sildenafil
- LIQREV
- Nitrate, Sildenafil
- Revatio
- Sildenafil (as citrate)
- Sildenafil Powder,
- Sildenafil, Desmethyl
- VIAGRA
Frequently asked questions
What is Sildenafil citrate used for?
Sildenafil citrate is primarily used in the treatment of erectile dysfunction and pulmonary arterial hypertension. It functions as a phosphodiesterase-5 inhibitor.
What is the chemical formula and molecular weight of Sildenafil citrate?
The formula is C22H30N6O4S · C6H8O7 with a molecular weight of 666.70 g/mol.
How should Sildenafil citrate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Sildenafil citrate does Molekula supply?
Molekula supplies Sildenafil citrate in research-grade quality suitable for laboratory use.
Can Molekula supply Sildenafil citrate in bulk?
Yes, Molekula can supply Sildenafil citrate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of Sildenafil citrate?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.