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  • Small Molecule
Valid May 18 – July 18

CUSABIO 4,780+ In-Stock Proteins
Super Low Price Promotion

At CUSABIO, we understand the challenges researchers face today — from high protein procurement costs to long customization lead times that can delay critical experiments. To better support our valued customers, we are launching a special Flat-Rate Protein Promotion that makes high-quality proteins more accessible and cost-effective.

We're offering fixed low prices on 4780+ in stock proteins, available in sizes from 10 μg to 1 mg to support your research at every stage.

CUSABIO Annual Protein Promotion Pricing
Size 10μg 20μg 50μg 100μg 200μg 500μg 1mg
Price (USD) $9.9 $19.9 $29.9 $49.9 $59.9 $79.9 $99.0

Promotion Period: May 18, 2026 – July 18, 2026

Eligibility: This promotion is available to end-user customers only.

Promotion Products: Use the search box below to find the protein products you need, or download the full product catalog for more options.

Please note: As the promotion is very popular, the complete product list may not always be updated in real time. Please contact us for the latest list of promotional products.

Terms & Conditions
1
No Purchase Limit: Any quantity of the same product or any combination of different products will receive the promotional prices. Offer valid while stocks last.
2
Inventory Changes in Real Time: Once a product is sold out, it will be removed from the promotion page or reverted to its regular price. Due to high demand, updates to the website, including the promotion product list, may be delayed. Please contact customer service to confirm the latest availability before placing an order.
3
Fixed Specifications & Forms: This promotion applies only to the specifications and forms currently in stock. Customized requests are not accepted during this promotion, including but not limited to buffer exchange, aliquoting, lyophilization, etc. Please verify that your desired specifications and forms are in stock before ordering.
4
Quality Control + Fast Delivery Guarantee: All products are QC tested before shipment. If a product fails QC, a new batch will be prepared and shipped, which may extend the delivery time. Your understanding is appreciated.
5
Shipping Cost Not Included: All promotional prices are end-user product prices and do not include shipping costs. Shipping costs are the responsibility of the customer.
6
Final Interpretation: CUSABIO reserves the right of final interpretation of this promotion to the extent permitted by applicable law.
Promotional Product Catalog
Click to download the catalog

Use the search box to quickly find the proteins you need.

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