Skip to Content
Merck
All Photos(1)

Key Documents

More Documents

T1450000

Timolol maleate

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

Timolol maleate salt, S-(−)-1-(t-Butylamino)-3-[(4-morpholino-1,2,5-thiadiazol-3-yl)oxy]-2-propanol maleate salt, Timolol hydrogen maleate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C13H24N4O3S · C4H4O4
CAS Number:
26921-17-5
Molecular Weight:
432.49
MDL number:
MFCD00058356
UNSPSC Code:
41116107
PubChem Substance ID:
329826674
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

timolol

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

[H]\C(=C(/[H])C(O)=O)C(O)=O.CC(C)(C)NC[C@H](O)COc1nsnc1N2CCOCC2

InChI

1S/C13H24N4O3S.C4H4O4/c1-13(2,3)14-8-10(18)9-20-12-11(15-21-16-12)17-4-6-19-7-5-17;5-3(6)1-2-4(7)8/h10,14,18H,4-9H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b;2-1-/t10-;/m0./s1

InChI key

WLRMANUAADYWEA-NWASOUNVSA-N

Gene Information

human ... ADRB1(153) , ADRB2(154)

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Timolol maleate EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Pictograms

Exclamation markHealth hazard
GHS07,GHS08

Signal Word

Warning

Hazard Statements

H302 - H361

Hazard Classifications

Acute Tox. 4 Oral - Repr. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 3

1 of 3

Sodium cromoglicate European Pharmacopoeia (EP) Reference Standard

S0750000

Sodium cromoglicate

Brinzolamide ≥98% (HPLC)

Sigma-Aldrich

SML0216

Brinzolamide

Brimonidine tartrate

Sigma-Aldrich

CDS022538

Brimonidine tartrate

Leon C Ho et al.
Investigative ophthalmology & visual science, 55(6), 3747-3757 (2014-04-26)
Although glaucoma treatments alter aqueous humor (AH) dynamics to lower intraocular pressure, the regulatory mechanisms of AH circulation and their contributions to the pathogenesis of ocular hypertension and glaucoma remain unclear. We hypothesized that gadolinium-enhanced magnetic resonance imaging (Gd-MRI) can
Göktuğ Seymenoğlu et al.
Journal of glaucoma, 24(2), 111-116 (2013-06-29)
To compare the efficacy of fixed combinations of dorzolamide-timolol (FCDT) and brimonidine-timolol (FCBT) in patients with intraocular pressure (IOP) elevations after intravitreal triamcinolone acetonide (IVTA) injections. This was a prospective, randomized, open-label study. Patients who received IVTA injections due to
Masamichi Fukuda et al.
Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics, 31(1), 57-60 (2014-10-11)
We investigated the transcorneal penetration of commercial ophthalmic formulations containing timolol maleate in rabbit eyes. One drop (30 μL) of each ophthalmic solution (Xalacom(®), DuoTrav(®), Cosopt(®), and Timoptol(®)) was administered to the conjunctival sac of the rabbits' eyes and the
Iman S Ahmed et al.
Drug development and industrial pharmacy, 41(3), 375-381 (2013-12-07)
The administration of grapefruit juice (GFJ) has been postulated to inhibit the activity of P-glycoprotein (P-gp) transport system and thus can enhance the uptake of substrate drugs. However, for various reasons, the results obtained have been always swaying between confirmation
Lise Román Moltzau et al.
The Journal of pharmacology and experimental therapeutics, 350(3), 681-690 (2014-07-16)
We previously found a negative inotropic (NIR) and positive lusitropic response (LR) to C-type natriuretic peptide (CNP) in the failing heart ventricle. In this study, we investigated and compared the functional responses to the natriuretic peptides (NPs), brain (BNP) and
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service