Timolol Maleate

Name: Timolol Maleate
Brand: Vaqora Chemicals
SKU: VQ-007800

About Timolol Maleate

Listed under CAS 26921-17-5, Timolol Maleate is a high-purity reference standard of Timolol available from Vaqora Chemicals. Its molecular formula is C17H28N4O7S and its molecular weight is 432.5 g/mol. Its systematic (IUPAC) name is (Z)-but-2-enedioic acid, (2S)-1-(tert-butylamino)-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol. Alternative names: (S)-Timolol hydrogen maleate and (S)-Timolol maleate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of Timolol, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Timolol Maleate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Timolol

View every impurity, metabolite and intermediate we list for Timolol.

Timolol impurities

Specifications & identifiers

Chemical identifiers
Product name	Timolol Maleate
Catalogue No.	VQ-007800
CAS Number	26921-17-5
Other CAS	26839-75-8
IUPAC name	(Z)-but-2-enedioic acid;(2S)-1-(tert-butylamino)-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol
Molecular formula	C₁₇H₂₈N₄O₇S
Molecular weight	432.5 g/mol
Exact mass	432.1679
Grade	Reference Standard
HSN code	38229090
InChIKey	WLRMANUAADYWEA-NWASOUNVSA-N
SMILES	CC(C)(C)NC[C@@H](COC1=NSN=C1N2CCOCC2)O.C(=C\C(=O)O)\C(=O)O
PubChem CID	5281056

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 12
TPSA	183 Å²
Synonyms	(S)-Timolol hydrogen maleate, (S)-Timolol maleate, Apimol, Betim, Tenopt, Proflax, Aquanil, Timorom, Optimol, Istalol, Timoptic-XE, Timoptic in Ocudose

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P264, P270, P280, P301 + P317, P318, P319, P330, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Timolol Maleate?

The CAS Registry Number of Timolol Maleate is 26921-17-5. It is also known as (S)-Timolol hydrogen maleate, (S)-Timolol maleate, Apimol.

What is the molecular formula and molecular weight of Timolol Maleate?

Timolol Maleate has the molecular formula C17H28N4O7S and a molecular weight of 432.5 g/mol.

What is Timolol Maleate used for?

Timolol Maleate is supplied as a characterised reference material related to Timolol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Timolol Maleate can I order?

We supply Timolol Maleate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Timolol Maleate?

Yes. Every lot of Timolol Maleate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Timolol Maleate be shipped internationally?

Yes. Timolol Maleate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.