Molekula
Flumazenil
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
Flumazenil is a benzodiazepine receptor antagonist used primarily as an antidote to reverse the sedative effects of benzodiazepines in overdose cases or medical procedures. It rapidly counteracts respiratory depression and sedation caused by these drugs, enabling quick recovery. This chemical has a CAS number of 78755-81-4, with the molecular formula C15H14FN3O3 and a molecular weight of 303.29. It requires storage between 2 to 8°C and carries a signal word of *Warning* for safety handling. Molekula supplies Flumazenil 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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25 mg — £42.00 per pack ex VAT · £50.40 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 | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 201 - 203 °C |
Source: PubChem CID 3373 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90029044 |
| CAS Number | 78755-81-4 |
| IUPAC Name | ethyl 8-fluoro-5-methyl-6-oxo-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylate |
| Molecular Formula | C15H14FN3O3 |
| Molecular Weight | 303.29 |
| Exact Mass | 303.1019 |
| SMILES | CCOC(=O)C1=C2CN(C(=O)C3=C(N2C=N1)C=CC(=C3)F)C |
| InChIKey | OFBIFZUFASYYRE-UHFFFAOYSA-N |
| InChI | InChI=1S/C15H14FN3O3/c1-3-22-15(21)13-12-7-18(2)14(20)10-6-9(16)4-5-11(10)19(12)8-17-13/h4-6,8H,3,7H2,1-2H3 |
| PubChem CID | 3373 |
| REACH Code | Y110 |
| HTS Code | 29339965 |
| Tariff Code | 2933998090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H312 Harmful in contact with skin
- H332 Harmful if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- Anexate
- Flumazenilo
- Flumazenilum
- Flumazepil
- fumazenil
- Lanexat
- Mazicon
- Ro 15-1788/000
- Ro-15-1788
- Romazicon
Frequently asked questions
What is flumazenil used for?
Flumazenil is primarily used as a benzodiazepine receptor antagonist to reverse the sedative effects of benzodiazepines in overdose or anesthesia.
What is the chemical formula and molecular weight of flumazenil?
The chemical formula is **C15H14FN3O3**, and the molecular weight is **303.29 g/mol**.
How should flumazenil be stored?
Store flumazenil at **2 to 8°C** to maintain stability and potency.
What grades of flumazenil does Molekula supply?
Molekula supplies **pharmaceutical-grade flumazenil** for medical and research applications.
Can Molekula supply flumazenil in bulk quantities?
Yes, Molekula can provide flumazenil in bulk, subject to availability and regulatory compliance.
What documentation comes with an order of flumazenil?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.