Molekula
Rabeprazole
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
Rabeprazole is a proton pump inhibitor (PPI) used primarily to reduce stomach acid production, treating conditions like gastroesophageal reflux disease (GERD), ulcers, and Helicobacter pylori infections. It works by irreversibly binding to gastric H+/K+ ATPase enzymes. This chemical has the CAS number 117976-89-3, a molecular formula of C18H21N3O3S, and a molecular weight of 359.44. It requires storage at -15 to -20°C, carries a signal word of Warning, and is classified under hazard statements for skin irritation, serious eye irritation and respiratory irritation (H315, H319, H335).
Molekula supplies Rabeprazole at ≥ 98% purity in 1 g 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.
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1 g — £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 to off-white powder |
| Loss on Drying | 3.0 - 6.0 % |
| Purity | ≥ 98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 99-100 °C (decomposes) |
| Vapour Pressure | 2.2 × 10⁻¹⁵ mmHg at 25 °C (Estimated) |
| log P (octanol/water) | 1.17 |
Source: PubChem CID 5029 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 51732920 |
| CAS Number | 117976-89-3 |
| IUPAC Name | 2-[[4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methylsulfinyl]-1H-benzimidazole |
| Molecular Formula | C18H21N3O3S |
| Molecular Weight | 359.44 |
| Exact Mass | 359.1304 |
| SMILES | CC1=C(C=CN=C1CS(=O)C2=NC3=CC=CC=C3N2)OCCCOC |
| InChIKey | YREYEVIYCVEVJK-UHFFFAOYSA-N |
| InChI | InChI=1S/C18H21N3O3S/c1-13-16(19-9-8-17(13)24-11-5-10-23-2)12-25(22)18-20-14-6-3-4-7-15(14)21-18/h3-4,6-9H,5,10-12H2,1-2H3,(H,20,21) |
| PubChem CID | 5029 |
| REACH Code | Y113 |
| HTS Code | 2933394100 |
| Tariff Code | 2933399999 |
Safety & GHS
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
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
- 2-(((4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl)methyl)sulfinyl)-1H-benzimidazole
- 2-[[4-(3-methoxypropoxy)-3-methylpyridin-2-yl]methylsulfinyl]-1H-benzimidazole
- Aciphex
- E-3810 (PPI)
- Eraloc
- Habeprazole
- LY 307640
- pariprazole
- rabeprazol
- rabeprazolum
Frequently asked questions
What is rabeprazole used for?
Rabeprazole is primarily used as a proton pump inhibitor (PPI) to reduce stomach acid production, treating conditions like gastroesophageal reflux disease (GERD), ulcers, and Zollinger-Ellison syndrome.
What is the chemical formula and molecular weight of rabeprazole?
The chemical formula is C18H21N3O3S, and the molecular weight is 359.44 g/mol.
How should rabeprazole be stored?
Rabeprazole should be stored at -15 to -20°C to maintain stability.
What grades or purities of rabeprazole does Molekula supply?
Molekula supplies rabeprazole at a purity of ≥ 98%, as a white to off-white powder with a loss on drying of 3.0 - 6.0%, suitable for research and development applications.
Can Molekula supply rabeprazole in bulk quantities?
Yes, Molekula can supply rabeprazole in bulk, with quantities tailored to customer requirements.
What documentation comes with a rabeprazole order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Where can I buy Rabeprazole?
Directly from Molekula, which lists Rabeprazole in 1 g 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.
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.