Know your Norwood.

RU-58841 and pyrilutamide (KX-826): UK-based, independently tested research compounds, with a published Certificate of Analysis on every batch.

Shop the rangeLab results

  • See the CoA before you buy

    The full third-party report sits on every product page. Independent HPLC and MS, not our word.

  • Never below label

    Finished solutions are assayed for actual concentration and release at or above the labelled figure, never below.

  • It arrives, or we reship

    Lost in transit? We send a replacement free, no questions. Tracked UK dispatch.

  • Batch traceable

    Every vial carries a batch number tied to its own Certificate of Analysis.

The range

Why Norwood Labs

  • Published CoAs

    Every batch is independently tested and the full report sits on the product page. No marketing, just data.

  • Sealed and batch-coded

    Every vial is filled, sealed and batch-coded in-house, so what arrives matches the report on the page.

  • UK-made, discreetly shipped

    Formulated and filled in the UK, then dispatched in plain, unbranded packaging with tracked delivery.

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Run by chemists. Tested like it matters.

Every batch is sealed, batch-coded and sent for independent analysis before it reaches a product page. We publish the full third-party report, the raw HPLC and mass-spec data, not a one-line certificate. Finished solutions are assayed for actual concentration and release at or above the labelled figure, never below.

We would rather lose a sale than oversell a compound. Where the research is thin, we say so.

Read the lab results

All products are supplied strictly for laboratory and research use only. Not for human consumption. Nothing on this site is intended to diagnose, treat, cure or prevent any condition.