Catalog No. Size PriceQuantity
M8172-2 Solid 2 mg $100
M8172-10 Solid 10 mg $300


Nortadalafil is demethyl Tadalafil, which is a PDE5 inhibitor, currently marketed in pill form for treating erectile dysfunction (ED) under the name Cialis; and under the name Adcirca for the treatment of pulmonary arterial hypertension.IC50 value:Target:

Product information

CAS Number: 171596-36-4

Molecular Weight: 375.38

Formula: C21H17N3O4


Demethyl Tadalafil

Chemical Name: (2R,8R)-2-(2H-1,3-benzodioxol-5-yl)-3,6,17-triazatetracyclo[³,⁸.0¹¹,¹⁶]heptadeca-1(10),11,13,15-tetraene-4,7-dione

Smiles: O=C1CNC(=O)[C@H]2CC3=C(NC4=CC=CC=C34)[C@@H](C3=CC4OCOC=4C=C3)N12


InChi: InChI=1S/C21H17N3O4/c25-18-9-22-21(26)15-8-13-12-3-1-2-4-14(12)23-19(13)20(24(15)18)11-5-6-16-17(7-11)28-10-27-16/h1-7,15,20,23H,8-10H2,(H,22,26)/t15-,20-/m1/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.

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