What is Arimidex?
Anastrozole (Arimidex) is a third-generation non-steroidal triazole aromatase inhibitor — reversible competitive CYP19A1 inhibition (~97% estrogen suppression). Most widely prescribed AI in oncology. Research: ER+ breast cancer, T:E2 ratio, reversible vs irreversible AI pharmacology, male hypogonadism. CAS 120511-73-1.
Research Applications
Reversible CYP19A1 Inhibition Competitive Type II AI — ~97% estrogen suppression, washout studies Breast Cancer Research Standard-of-care AI reference — ER+ breast cancer models T:E2 Ratio Manipulation Testosterone/estradiol titration — male androgen research AI Class Comparison Anastrozole (reversible) vs exemestane (irreversible) Male Hypogonadism Aromatase excess — estrogen-driven gonadotropin suppression
Quick Specs
- Form
- Tablet — 1mg per tablet, 100-tablet bottle
- CAS Number
- 120511-73-1
- Molecular Formula
- C₁₇H₁₉N₅ Molecular Weight 293.4 g/mol
- Compound Type
- SERM / Aromatase Inhibitor
- Purity
- ≥99% by HPLC — every batch
- Identity
- MS molecular weight confirmed — every batch
- COA
- Janoshik-independent, publicly verifiable
- Manufacture
- In-house synthesis — Qingdao, China
- Storage
- Room temperature sealed | cool, dry storage
- Shelf Life
- 24 months unopened
Certificate of Analysis (COA)
✓ Verify on Janoshik
Frequently Asked Questions
How are Vesta research tablets supplied?
Vesta research tablets are supplied as pre-dosed oral tablets at the stated concentration.
No reconstitution is required. Each tablet is compressed at uniform dose for consistent dosing in research applications. How should research tablets be stored?
Store at room temperature (15–25°C) in a cool, dry place away from moisture, heat, and direct sunlight.
Keep in the original container. Properly stored tablets remain stable for 2–3 years. What purity are Vesta research tablets and how is it verified?
Vesta research tablets contain active ingredient at ≥99% HPLC purity before tableting, with MS-confirmed identity on every batch. COA is published on the product page and independently verifiable at verify.janoshik.com. Peptide Research Tools: Use Vesta’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
Domestic shipping: USA 5–7 days International shipping: 7–14 days