Timolol EP Impurity A Maleate

Name: Timolol EP Impurity A Maleate
Brand: Vaqora Chemicals
SKU: VQ-042553

About Timolol EP Impurity A Maleate

Timolol EP Impurity A Maleate (CAS 26839-77-0) is a pharmacopeial impurity of Timolol offered by Vaqora Chemicals. Formula C17H28N4O7S, molecular weight 432.5 g/mol. Alternative names: (R)-(+)-Timolol Maleate and Timolol Maleate - Impurity A (Maleate Salt).

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Timolol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Timolol EP Impurity A Maleate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Timolol

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

Timolol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Timolol EP Impurity A Maleate
Catalogue No.	VQ-042553
CAS Number	26839-77-0
IUPAC name	(Z)-but-2-enedioic acid;(2R)-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-ASSQPYIHSA-N
SMILES	CC(C)(C)NC[C@H](COC1=NSN=C1N2CCOCC2)O.C(=C\C(=O)O)\C(=O)O
PubChem CID	5702122

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 12
TPSA	183 Å²
Synonyms	(R)-(+)-Timolol Maleate, Timolol Maleate - Impurity A (Maleate Salt), Timolol Related Compound A, D-Timolol maleate, Timolol maleate, R-enantiomer, (R)-Timolol hydrogen maleate, (+)-3-(3-(tert-Butylamino)-2-hydroxypropoxy)-4-morpholino-1,2,5-thiadiazole maleate, (+)-Timolol maleate, (+)-3-(3-tert-Butylamino-2-hydroxypropoxy)-4-morpholino-1,2,5-thiadiazole hydrogen maleate, (R)-Timolol maleate, Dextimolol Maleate, R-enantiomertimolol maleate

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 EP Impurity A Maleate?

The CAS Registry Number of Timolol EP Impurity A Maleate is 26839-77-0. It is also known as (R)-(+)-Timolol Maleate, Timolol Maleate - Impurity A (Maleate Salt), Timolol Related Compound A.

What is the molecular formula and molecular weight of Timolol EP Impurity A Maleate?

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

What is Timolol EP Impurity A Maleate used for?

Timolol EP Impurity A 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 EP Impurity A Maleate can I order?

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

Do you provide a COA and SDS with Timolol EP Impurity A Maleate?

Yes. Every lot of Timolol EP Impurity A 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 EP Impurity A Maleate be shipped internationally?

Yes. We export Timolol EP Impurity A Maleate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.