Promotion Rules
1. Promotion period: October 15, 2025 – December 31, 2025.
2. Buy 2 units to receive 10% off and earn points.
3. Buy 3 or 4 units to receive 15% off and earn points.
4. Buy 5 or more units to receive 20% off, earn points, and enjoy free shipping.
Terms and Conditions

1. This promotion is for North American customers only.

2. The promotion is limited to in-stock items only. Free sample products, special offer items, and customized products are excluded
from the promotion. Only products with official website list prices are eligible for the promotion. Discounts are calculated on the basis of the
list price.

3. Not valid with other offers or for purchases made through third-party platforms. Use of a Coupon Card or Coupon Code at checkout
on the official website will disqualify the order from this promotion.

4. Discounts apply per order only - units from separate orders cannot be combined.

5. After a registered customer places an order, points will be automatically credited after the order is shipped. For this promotion,
points are calculated based on the actual transaction amount, with 1 point awarded for every $1 spent, excluding shipping and taxes.
Points will be automatically credited to the “Redeem Center” after the order is shipped.
(For website registration details, please refer to the Points Campaign).

6. Points earned from this promotion can be used in the "Redeem Center" section on the official website to redeem various items.
Actual gift options are subject to online display.

7. For inquiries, contact us at:
Sales@MedchemExpress.com or US-marketing@MedChemExpress.com

80,000+ Bioactive Molecules—Inhibitors & Agonists

Targeting 1,000+ key proteins in 20 signaling pathways.

Over 60,000 citations.

High purity, high quality, stringent quality control system.

Biological activity validated by scholars across the globe.

12,000+ Recombinant Proteins

High Purity

Superior Biological Activity

Low Endotoxin Level

Excellent Lot-to-Lot Consistency

Full Range Sizes

RUO/Animal-Free

Category Product Name
Cytokines and Growth Factors EGF M-CSF IFN-γ
Immune Checkpoint Proteins PD-1 PD-L1 Galectin-9
CAR-T related Proteins BCMA TROP-2 CD20
Enzymes & Regulators MMPs Cathepsins cGAS
Receptor Proteins EGFR PPAR gamma VEGFR
CD Antigens CD26 CD71 CD276
20,000+ Natural Products

Clear Source classification (including plants, animals, or microorganisms).

Comprehensive structural classification, including flavonoids, alkaloids, quinones, phenols, terpenoids, steroids, and others.

400+ Ready-to-use Kits

Molecular& Proteins& Cells-related kits

Magnetic Beads

8,200+ References

49,000+ IF

7,000+ Biochemical Assay Reagents

Various Categories

Wide Applications

Stable Quality

3,000+ Fluorescent Dyes

Strong Fluorescence Signal

Multi-disciplinary Applications

High Fluorescence Specificity

Category Product Name
Organelle Dyes Phalloidin-TRITC JC-1 Hoechst 33342 trihydrochloride
Cell Staining Analysis H2DCFDA Calcein-AM HKOCl-3
Ion Fluorescent Probes Fura-2 AM Ferrozine Fluo-3AM
In Vivo Imaging D-Luciferin potassium D-Luciferin sodium D-Luciferin
8,000+ Reference Standards

These products are applicable in fields including pharmaceutical analysis, identification, quantification and methodological research.

All detections - including NMR, MS, HPLC, GC, KF, LOD, TGA, and qNMR - are performed using appropriate test methods,
in full compliance with ISO 17025.

Special packing sizes can be customized according to customer needs.

7,000+ Antibodies

Signaling Pathways Explorer

Good Reproducibility

High Sensitivity

Strong Affinity

Superior Specificity