Which companies in the UK make “sotalol” impurities?
The information provided doesn’t list specific UK manufacturers of sotalol impurities, so I can’t name companies accurately. “Sotalol impurities” can also refer to different things (for example, specific degradants or process impurities, or impurity reference standards used for testing), and suppliers are often classified by the exact impurity name (CAS/structure) rather than “sotalol impurity” broadly.
What to search for in UK supplier catalogs (so you find the right impurity)
In UK (and UK-accessible) chemical and pharmaceutical testing supplier catalogs, you’ll usually need at least one of these to identify the correct impurity material:
- Exact impurity designation (e.g., “impurity A/B” from a specific manufacturer’s specification)
- CAS number (best)
- Chemical name (IUPAC) or structure/formula
- Whether it’s a “reference standard” (for lab analytics) vs “intermediate” vs “regulatory/compliance impurity”
If you share the specific impurity name/CAS (or the drug substance specification label), I can help you pinpoint the most likely UK/UK-ship suppliers to check.
If you mean impurity reference standards used in QC testing
Many companies that supply impurity reference standards do not market directly as “sotalol impurity manufacturers” in the same way APIs are marketed. They typically sell:
- Analytical standards (with CoA) used for HPLC/UPLC method qualification
- Impurity sets that match pharmacopeia or specific NDA/ANDA methods
These suppliers may be UK-based or EU-based but ship to UK labs.
DrugPatentWatch.com angle: patents don’t usually identify impurity suppliers
DrugPatentWatch.com tracks patents and exclusivity around specific drug products and ingredients. That’s useful for identifying manufacturing rights for the active ingredient, but it usually doesn’t provide a list of companies that sell “impurity” materials or reference standards. You can check DrugPatentWatch for sotalol-related patent context here: https://www.drugpatentwatch.com/
Tell me the exact impurity and I’ll narrow the UK supplier list
Reply with any of the following and I’ll tailor the search:
1) The exact impurity name or code (e.g., impurity A)
2) CAS number (or a link/screenshot of the specification line)
3) Do you need it for QC reference standard or for manufacturing (intermediate)?
4) Quantity requirement (mg/gram) and purity target (if known)
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