Molekula
Timolol Maleate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Timolol Maleate is a beta-adrenergic receptor blocker used in the treatment of hypertension, angina, and certain cardiac arrhythmias. It is available as a white to off-white crystalline powder. CAS: 26921-17-5, Molecular Formula: C13H24N4O3S·C4H4O4, Molecular Weight: 432.49 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Timolol Maleate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 mg — £30.90 per pack ex VAT · £37.08 inc. VAT
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1 g — £194.70 per pack ex VAT · £233.64 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Heavy metals | ≤ 0.05% |
| pH | 3 - 5 |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99% |
| Residue on Ignition | ≤ 0.2% |
| Specific optical rotation | -10° - -15° |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 33477949 |
| CAS Number | 26921-17-5 |
| 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 |
| EC Number | 248-111-5 |
| Molecular Formula | C13H24N4O3S·C4H4O4 |
| Molecular Weight | 432.49 |
| Exact Mass | 432.1679 |
| SMILES | CC(C)(C)NC[C@@H](COC1=NSN=C1N2CCOCC2)O.C(=C\C(=O)O)\C(=O)O |
| InChIKey | WLRMANUAADYWEA-NWASOUNVSA-N |
| InChI | 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 |
| PubChem CID | 5281056 |
| REACH Code | Y110 |
| HTS Code | 2934999001 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H361 Suspected of damaging fertility or the unborn child
- H370 Causes damage to organs
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P281 Use personal protective equipment as required
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Aquanil
- Istalol
- Ophtamolol
- Timolol (as maleate)
- Timolol hydrogen maleate salt
- Timolol maleate, s-enantiomer
- Timololi maleas
- Timoptic in Ocudose
- Timoptic-XE
- wp-934
Frequently asked questions
What is Timolol Maleate used for?
Timolol Maleate is primarily used in the treatment of hypertension, angina, and certain types of arrhythmias. It is also an approved treatment for glaucoma and elevated intraocular pressure in ophthalmic formulations such as Timoptic and Istalol, and oral timolol is approved for migraine prophylaxis.
What is the chemical formula and molecular weight of Timolol Maleate?
The formula is C13H24N4O3S·C4H4O4 with a molecular weight of 432.49 g/mol.
How should Timolol Maleate be stored?
Store at ambient temperature, protected from light and moisture, and keep in a tightly closed container.
What grade of Timolol Maleate does Molekula supply?
Molekula supplies Timolol Maleate in research-grade purity suitable for laboratory use.
Can Molekula supply Timolol Maleate in bulk quantities?
Yes, Molekula can supply Timolol Maleate in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with a Timolol Maleate order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.