Fomepizole
Synonyms: 4-Methylpyrazole · 1H-Pyrazole, 4-methyl- · Fomepizol · 4-Methylpyrazol
Fomepizole (CAS 7554-65-6) – Fomepizole reference standard. C4H6N2, MW 82.1. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
About Fomepizole
Listed under CAS 7554-65-6, Fomepizole is a high-purity reference standard of Fomepizole available from Vaqora Chemicals. Its molecular formula is C4H6N2 and its molecular weight is 82.1 g/mol. Its systematic (IUPAC) name is 4-methyl-1H-pyrazole. Common synonyms include 4-Methylpyrazole and 1H-Pyrazole, 4-methyl-.
It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.
Laboratories use this Fomepizole standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.
Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Fomepizole is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Identification & assay
- Method development & validation
- QC reference material
Industries
View every impurity, metabolite and intermediate we list for Fomepizole.
Fomepizole impuritiesSpecifications & identifiers
| Product name | Fomepizole |
|---|---|
| Catalogue No. | VQ-035210 |
| CAS Number | 7554-65-6 |
| IUPAC name | 4-methyl-1H-pyrazole |
| Molecular formula | C4H6N2 |
| Molecular weight | 82.1 g/mol |
| Exact mass | 82.0531 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | RIKMMFOAQPJVMX-UHFFFAOYSA-N |
| SMILES | CC1=CNN=C1 |
| PubChem CID | 3406 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 1.4 |
| H-bond donors / acceptors | 1 / 1 |
| TPSA | 28.7 Ų |
| Synonyms | 4-Methylpyrazole, 1H-Pyrazole, 4-methyl-, Fomepizol, 4-Methylpyrazol, Antizol, 4-MP, 4-methyl pyrazole, Antizol-vet, 4-methyl-pyrazole, 4-methyl-1h_pyrazole |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH312Harmful in contact with skinH314Causes severe skin burns and eye damageH315Causes skin irritationH318Causes serious eye damageH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P363, P403 + P233
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Fomepizole?
The CAS Registry Number of Fomepizole is 7554-65-6. It is also known as 4-Methylpyrazole, 1H-Pyrazole, 4-methyl-, Fomepizol.
What is the molecular formula and molecular weight of Fomepizole?
Fomepizole has the molecular formula C4H6N2 and a molecular weight of 82.1 g/mol. Its IUPAC name is 4-methyl-1H-pyrazole.
What is Fomepizole used for?
Fomepizole is supplied as a characterised reference material related to Fomepizole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Fomepizole can I order?
We supply Fomepizole in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Fomepizole?
Yes. Every lot of Fomepizole is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Fomepizole be shipped internationally?
Yes. Fomepizole is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Fomepizole
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