Tadalafil

CAS Registry Number®

171596-29-5
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CAS Name

Tadalafil

Molecular Formula

C22H19N3O4

Molecular Mass

389.40

Cite this Page

Tadalafil.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=171596-29-5 (retrieved 2024-04-24) (CAS RN: 171596-29-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    301-303 °C

Source(s)

Other Names and Identifiers

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

InChIKey

InChIKey=WOXKDUGGOYFFRN-IIBYNOLFSA-N

SMILES

O=C1N2[C@@H](C3=C(C=4C(N3)=CC=CC4)C[C@@]2(C(=O)N(C)C1)[H])C=5C=C6C(=CC5)OCO6

Canonical SMILES

O=C1N2C(C3=CC=C4OCOC4=C3)C=5NC=6C=CC=CC6C5CC2C(=O)N(C)C1

Other Names for this Substance

  • Pyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-
  • Pyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R-trans)-
  • (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methylpyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione
  • Cialis
  • ICOS 351

View All

Deleted or Replaced CAS Registry Numbers

240822-07-5, 282541-36-0

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