U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula C25H26N6O4S.CH4O3S
Molecular Weight 602.682
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of TAPRIZOSIN MESYLATE

SMILES

CS(O)(=O)=O.COC1=CC2=NC(=NC(N)=C2C(C3=CC=CC=N3)=C1OC)N4CCC5=C(C4)C=CC=C5NS(C)(=O)=O

InChI

InChIKey=PELLFYXDXSYSSE-UHFFFAOYSA-N
InChI=1S/C25H26N6O4S.CH4O3S/c1-34-20-13-19-22(21(23(20)35-2)18-8-4-5-11-27-18)24(26)29-25(28-19)31-12-10-16-15(14-31)7-6-9-17(16)30-36(3,32)33;1-5(2,3)4/h4-9,11,13,30H,10,12,14H2,1-3H3,(H2,26,28,29);1H3,(H,2,3,4)

HIDE SMILES / InChI

Molecular Formula CH4O3S
Molecular Weight 96.106
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Molecular Formula C25H26N6O4S
Molecular Weight 506.577
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Taprizosin (also known as UK-338,003) is an alpha1A-adrenoceptor antagonist that was developed for the treatment of benign prostatic hyperplasia. However, this compound possesses poor oral absorption.

Approval Year

PubMed

PubMed

TitleDatePubMed
Investigation of regional mechanisms responsible for poor oral absorption in humans of a modified release preparation of the alpha-adrenoreceptor antagonist, 4-amino-6,7-dimethoxy-2-(5-methanesulfonamido-1,2,3,4 tetrahydroisoquinol-2-yl)-5-(2-pyridyl)quinazoline (UK-338,003): the rational use of ex vivo intestine to predict in vivo absorption.
2008-01
Impact of physicochemical and structural properties on the pharmacokinetics of a series of alpha1L-adrenoceptor antagonists.
2007-08
Substance Class Chemical
Created
by admin
on Mon Mar 31 18:12:35 GMT 2025
Edited
by admin
on Mon Mar 31 18:12:35 GMT 2025
Record UNII
9YMP2G22X1
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
METHANESULFONAMIDE, N-(2-(4-AMINO-6,7-DIMETHOXY-5-(2-PYRIDINYL)-2-QUINAZOLINYL)-1,2,3,4-TETRAHYDRO-5-ISOQUINOLINYL)-, METHANESULFONATE
Preferred Name English
TAPRIZOSIN MESYLATE
Common Name English
Code System Code Type Description
FDA UNII
9YMP2G22X1
Created by admin on Mon Mar 31 18:12:35 GMT 2025 , Edited by admin on Mon Mar 31 18:12:35 GMT 2025
PRIMARY
CAS
358632-25-4
Created by admin on Mon Mar 31 18:12:35 GMT 2025 , Edited by admin on Mon Mar 31 18:12:35 GMT 2025
PRIMARY
PUBCHEM
9830194
Created by admin on Mon Mar 31 18:12:35 GMT 2025 , Edited by admin on Mon Mar 31 18:12:35 GMT 2025
PRIMARY
EPA CompTox
DTXSID60431391
Created by admin on Mon Mar 31 18:12:35 GMT 2025 , Edited by admin on Mon Mar 31 18:12:35 GMT 2025
PRIMARY
Related Record Type Details
PARENT -> SALT/SOLVATE
Related Record Type Details
ACTIVE MOIETY