Timolol maleate salt
Timolol maleate salt (CAS 26921-17-5), molecular formula C13H24N4O3S · C4H4O4, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- S-(−)-1-(t-Butylamino)-3-[(4-morpholino-1,2,5-thiadiazol-3-yl)oxy]-2-propanol maleate salt,Timolol hydrogen maleate

| Molecular weight | 432.49 |
|---|---|
| Empirical formula | C13H24N4O3S · C4H4O4 |
| Assay | ≥98% (TLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | H2O: solubleethanol: soluble |
| Optical activity | [α]25/D -5.4°, c = 4.9 in 1 M HCl(lit.) |
| Melting point | 202-203 °C(lit.) |
| Application | Timolol maleate has been used as an adrenergic β-blocker for evaluating cardiovascular functions in mice5. It has also been used for evaluating the uptake of 86Rb+ in rat cardiomyocytes6. |


Hazard statements
- H302Harmful if swallowed
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-22 |
| Safety statements (S) | 36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... ADRB1(153), ADRB2(154), ADRB3(155) |
|---|---|
| Absorption | ε1M/294 nm 8,700 |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Timolol maleate salt?
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Timolol maleate salt (CAS 26921-17-5), molecular formula C13H24N4O3S · C4H4O4, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.
What grades of Timolol maleate salt does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Timolol maleate salt in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Timolol maleate salt?
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Timolol maleate salt has CAS number 26921-17-5 and molecular formula C13H24N4O3S · C4H4O4. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Timolol maleate salt?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Timolol maleate salt ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Timolol maleate salt be stored?
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Store Timolol maleate salt in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Timolol maleate salt used for?
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Timolol maleate salt is used in biochemicals & reagents applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Timolol maleate salt?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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