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Merck

SML1877

Tadalafil

≥98% (HPLC), PDE5 inhibitor, powder

Synonym(s):

(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, ICI-351

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About This Item

Empirical Formula (Hill Notation):
C22H19N3O4
CAS Number:
Molecular Weight:
389.40
UNSPSC Code:
12352200
NACRES:
NA.77
Assay:
≥98% (HPLC)
Form:
powder
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Product Name

Tadalafil, ≥98% (HPLC)

Quality Segment

assay

≥98% (HPLC)

form

powder

optical activity

[α]/D +68 to +78°, c = 1 in chloroform-d

color

white to beige

solubility

DMSO: 20 mg/mL, clear

storage temp.

−20°C

SMILES string

N21[C@H](Cc3c4c([nH]c3[C@H]2c5cc6c(cc5)OCO6)cccc4)C(=O)N(CC1=O)C

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

InChI key

WOXKDUGGOYFFRN-IIBYNOLFSA-N

Biochem/physiol Actions

Tadalafil is a potent, selective inhibitor of cGMP specific phosphodiesterase type 5 (PDE5) used to treat erectile dysfunction, pulmonary hypertension, and benign prostatic hyperplasia (BPH).
This β-carboline-based drug has a long elimination half-life of about 18 hours.


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pictograms

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signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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