Molekula
Tadalafil CRS - EP
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Tadalafil CRS - EP is a certified reference standard of the active pharmaceutical ingredient (API) used primarily in the treatment of erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. It serves as a high-purity analytical standard for quality control in pharmaceutical manufacturing and research. This chemical has a CAS number of 171596-29-5, a molecular formula of C22H19N3O4, and a molecular weight of 389.40 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Tadalafil CRS - EP from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 90032925
- 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
Synonyms
- ADCIRCA
- CHEWTADZY
- Cialis
- ENTADFI COMPONENT TADALAFIL
- Ic351
- OPSYNVI COMPONENT TADALAFIL
- Tadalafil
- Tadalafil mylan
- Tadalafilo
- Trans-tadalafil
Literature values
Published physical properties of the substance, not batch specifications.
- 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)
See all 3 other grades of CAS 171596-29-5 →
Frequently asked questions
What is Tadalafil CRS - EP used for?
This reference standard is primarily used for analytical testing, quality control, and method validation in pharmaceutical and clinical laboratories to ensure the accuracy of tadalafil detection.
What is the molecular formula and molecular weight of Tadalafil CRS - EP?
The molecular formula is **C₂₂H₁₉N₃O₄**, and the molecular weight is **389.40 g/mol**.
What is the storage recommendation for Tadalafil CRS - EP?
Store at **ambient temperature** in a dry, well-ventilated area, away from direct sunlight and moisture.
What grade of Tadalafil CRS - EP does Molekula supply?
Molekula supplies this product as a **Certified Reference Standard (CRS) - EP grade**, meeting European Pharmacopoeia specifications for analytical accuracy.
Can Molekula supply Tadalafil CRS - EP in bulk quantities?
Yes, Molekula can accommodate bulk orders for Tadalafil CRS - EP; please contact our sales team for pricing and availability.
What documentation comes with the order of Tadalafil CRS - EP?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** confirming EP compliance.
Related products
Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.