Molekula
Alosetron
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Alosetron is a selective 5-HT3 receptor antagonist used in the treatment of irritable bowel syndrome with diarrhea in women. It is a synthetic pharmaceutical compound with the CAS number 122852-42-0, molecular formula C17H18N4O, and molecular weight of 330.81 g/mol. It must be stored at 2 to 8 °C and is classified as a dangerous substance.
Molekula supplies Alosetron in 25 mg packs, from £172.68 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
-
25 mg — £143.90 per pack ex VAT · £172.68 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 |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 85312341 |
| CAS Number | 122852-42-0 |
| IUPAC Name | 5-methyl-2-[(5-methyl-1H-imidazol-4-yl)methyl]-3,4-dihydropyrido[4,3-b]indol-1-one |
| Molecular Formula | C17H18N4O |
| Molecular Weight | 330.81 |
| Exact Mass | 294.1481 |
| SMILES | CC1=C(N=CN1)CN2CCC3=C(C2=O)C4=CC=CC=C4N3C |
| InChIKey | JSWZEAMFRNKZNL-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H18N4O/c1-11-13(19-10-18-11)9-21-8-7-15-16(17(21)22)12-5-3-4-6-14(12)20(15)2/h3-6,10H,7-9H2,1-2H3,(H,18,19) |
| PubChem CID | 2099 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 2933.79.08.00 |
| Tariff Code | 2933790090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H319 Causes serious eye irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Alosetron - API Standards
- alosetron monohydrochloride
- alosetronum
- GR 68755
- Lotronex
Frequently asked questions
What is Alosetron used for?
Alosetron is a serotonin 5-HT3 receptor antagonist used in the treatment of irritable bowel syndrome with diarrhea (IBS-D) in women.
What is the chemical formula and molecular weight of Alosetron?
The chemical formula of Alosetron is C17H18N4O with a molecular weight of 330.81 g/mol.
How should Alosetron be stored?
Alosetron should be stored at 2 to 8 °C and protected from light and moisture.
What grade of Alosetron is available?
Our Alosetron is specified as a white powder whose identification conforms to reference. Please contact our sales team for further specification details.
Can Molekula supply Alosetron in bulk?
Yes, Molekula can supply Alosetron in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Alosetron?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Where can I buy Alosetron?
Directly from Molekula, which lists Alosetron in 25 mg packs from £172.68 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Alosetron dangerous goods for shipping?
Yes. Alosetron ships as dangerous goods: UN2811, class 6.1, packing group III.
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.