Our full catalogue of research-grade chemicals, advanced materials and unique molecules lives in the marketplace — with secure one-tap checkout and verified provenance.
Enter the Marketplace →Unlock automatic marketplace discounts and reward points. Cancel anytime — your benefits apply instantly at checkout.
Memberships are billed monthly and can be cancelled anytime. Your discount applies automatically at marketplace checkout, and reward points accrue on every completed order.
Our headquarters in Leeds, UK anchors a growing constellation of university and corporate partners across the world. Click any marker to explore.
Four live streams of curated knowledge — our own research writing, science and materials breakthroughs, critical minerals market intelligence, and real-time world news from trusted sources.
Materials sourced from Britain's finest institutions
Whether you are a university researcher looking to list your materials, a company seeking collaboration, or an individual with an enquiry — we would love to hear from you.
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Choose a topic below, or email our team directly.
Products & Materials
Our catalogue features university-produced advanced materials, each verified by PhD analysts. Browse the Marketplace for current listings, or visit the Research Library for full origin stories, specifications, and analyst notes.
Materials are sold in certified batches. Each listing shows the source institution, batch reference, and mode-specific discounts.
Memberships & Modes
Free — Browse everything. No discounts.
Pro £49/mo — 5% exchange commission + forum access.
Premium £149/mo — Day/Night mode toggle, full discounts, loyalty tiers, 2.5% commission.
Eclipse £790/mo — Both modes simultaneously. Corporate plan with team seats.
Night, Day and Eclipse are display themes you can switch between anytime — completely free, as often as you like. They're purely visual.
Orders & Shipping
All acquisition requests are reviewed within 24 hours by our team. Verified orders receive a tracking reference and estimated dispatch window.
Materials are shipped under controlled conditions appropriate to each substance class. Returns are subject to our Terms of Supply — please contact us directly for return enquiries.
Partners & Universities
Our partner network spans 34 UK universities and growing international collaborators. Headquartered in Leeds, we source from institutions including Cambridge, Oxford, Imperial College, Edinburgh, and international partners including MIT, ETH Zürich, and IIT Roorkee (Mumbai).
If you are a university or institution interested in supplying materials, please reach out via email.
Technical Support
If you're experiencing issues with your account, mode switching, forum access, or any website feature, try refreshing the page first. Mode preferences and membership data are stored locally.
For persistent issues, please contact our team directly and describe the behaviour you're seeing.
Send a message to the listing owner. Xtremica will relay your enquiry and facilitate the exchange once both parties confirm.
Select 1 category to receive your Pro discount. You may change your selection once per month.
Set the Night Mode and Day Mode discount percentage for each material category. These rates are applied to Premium and Eclipse members. Pro members get the rate for their chosen single category. Changes take effect immediately.
Set the commission percentage charged on each exchange transaction, per membership tier. Changes take effect on the next transaction processed.
Number of choosable discount categories per plan tier. Free = 0 (all categories visible, no discounts). Pro = 1. Premium = 2. Eclipse = all 12 automatically.