• Chemical Formula: C17H19N5
• Molecular Mass: 293.37
• Other Names: Arimidex · ICI D1033 · ZD1033
• CAS Number: 120511-73-1
• PubChem: 2187
• Total Active Ingredient: 30mg (0.5mg × 60 capsules)
• Shelf Life: 36 months
• Storage: Store in a cool, dry place away from direct light

Every NextChems compound is independently third-party tested on both raw powders and finished products — not selected batches, but every batch. We don’t assume quality. We verify it.

If you choose to have any product independently evaluated at an HPLC-licensed testing facility and the results are unsatisfactory, we provide full reimbursement including:

• The HPLC analysis fee (up to $100)
• The full cost of your order, including shipping charges

COA available on every product page. Pharmacist-formulated. No toxic solvents. No fillers. 99%+ purity standard across our entire catalogue.

United States (Same-Day Shipping) Orders placed before our daily cut-off time ship the same business day. Same-day shipping is available for US domestic orders only. Estimated delivery: 3–7 business days. Free shipping on US orders over $100.

International We ship to the following regions: USA, Canada, Europe, and South Asia (Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka), and the Middle East (Egypt, Bahrain, Cyprus, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, UAE, Yemen, Turkey). Estimated delivery: approximately 2 weeks. Free international shipping on orders over $300. Express options available at checkout.

Customs & Seized Parcels It is the buyer’s responsibility to verify local import regulations before ordering. In the event of a confiscated international parcel, we offer a 30–50% discount on a subsequent order. We do not process refunds for seized shipments. 100% international delivery cannot be guaranteed.

Returns Unopened products in original condition may be returned within 7 business days of delivery (SARMs, PCTs, and Male Enhancement Pills only). Peptides cannot be returned due to temperature and light sensitivity. A 15% restocking fee applies. Return shipping is at the customer’s cost.

For full details, see our Shipping Policy and Shipping FAQ.