Molekula
Tadalafil
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
Tadalafil is a phosphodiesterase type 5 inhibitor used primarily in the treatment of erectile dysfunction and benign prostatic hyperplasia. It is available in research and bulk quantities. CAS: 171596-29-5, Molecular formula: C22H19N3O4, Molecular weight: 389.40, Storage: Ambient, Signal word: Warning. Molekula supplies Tadalafil 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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5 g — £35.50 per pack ex VAT · £42.60 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 crystal |
| Melting Point | 300 - 305°C |
| Heavy metals | ≤ 10ppm |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99.0% |
| Optical Rotation | +71 to +72° |
| Residue on Ignition | ≤ 0.1% |
| Total Impurities | ≤ 0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 301 - 302 °C |
| Water Solubility | Practically insoluble in water |
| Vapour Pressure | 2.2 × 10⁻¹⁴ mmHg at 25 °C (Estimated) |
| pKa | pKa = 0.85 |
| log P (octanol/water) | 1.42 |
Source: PubChem CID 110635 (Human Metabolome Database (HMDB), DrugBank, HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 88434289 |
| CAS Number | 171596-29-5 |
| IUPAC Name | (2R,8R)-2-(1,3-benzodioxol-5-yl)-6-methyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione |
| Molecular Formula | C22H19N3O4 |
| Molecular Weight | 389.40 |
| Exact Mass | 389.1376 |
| SMILES | CN1CC(=O)N2[C@@H](C1=O)CC3=C([C@H]2C4=CC5=C(C=C4)OCO5)NC6=CC=CC=C36 |
| InChIKey | WOXKDUGGOYFFRN-IIBYNOLFSA-N |
| InChI | InChI=1S/C22H19N3O4/c1-24-10-19(26)25-16(22(24)27)9-14-13-4-2-3-5-15(13)23-20(14)21(25)12-6-7-17-18(8-12)29-11-28-17/h2-8,16,21,23H,9-11H2,1H3/t16-,21-/m1/s1 |
| PubChem CID | 110635 |
| REACH Code | Y110 |
| HTS Code | 29349990 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in Bulgarian, English, French, German, Italian, Russian, 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
- ADCIRCA
- CHEWTADZY
- Cialis
- ENTADFI COMPONENT TADALAFIL
- Ic351
- OPSYNVI COMPONENT TADALAFIL
- Tadalafil mylan
- Tadalafilo
- tadalafilum
- Trans-tadalafil
Frequently asked questions
What is Tadalafil used for?
Tadalafil is primarily used in the treatment of erectile dysfunction and benign prostatic hyperplasia. It is also studied for potential use in pulmonary arterial hypertension.
What is the chemical formula and molecular weight of Tadalafil?
The chemical formula of Tadalafil is C22H19N3O4, and its molecular weight is 389.40 g/mol.
How should Tadalafil be stored?
Tadalafil should be stored at ambient temperature, protected from light and moisture.
What grade of Tadalafil does Molekula supply?
Molekula supplies Tadalafil in research-grade purity, suitable for laboratory and non-pharmaceutical applications.
Can Molekula supply Tadalafil in bulk quantities?
Yes, Molekula can supply Tadalafil in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Tadalafil order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
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.