Question 1

What is the catalog number for Complement factor I?

Accepted Answer

The catalog number for Complement factor I is orb2277422.

Question 2

What sizes are available for Complement factor I?

Accepted Answer

Complement factor I is available in the following size(s): 50 mg, 5 mg.

Question 3

How many pack sizes does Complement factor I come in?

Accepted Answer

Complement factor I is available in 2 different pack sizes.

Question 4

Is Complement factor I in stock?

Accepted Answer

Complement factor I is currently made to order / not held in immediate stock. Contact us for lead time.

Question 5

What is Complement factor I used for?

Accepted Answer

Complement factor I is a serine protease that downregulates complement activation in both fluid phase and on host cells, requiring cofactors like factor H, CR1, C4BP, or MCP/CD46. It is a key research tool for studying complement regulation in autoimmune diseases, infections, and transplantation mod

Question 6

What is the shelf life of this product?

Accepted Answer

Shelf life and expiration dates vary by product and are shown on the product listing and label. Products used beyond their expiration date are not eligible for performance-related returns or refunds, so please check the lot number and expiry before use.

Question 7

What expression system was used for this recombinant protein?

Accepted Answer

The expression system, such as E. coli, HEK293, or insect cells, is listed on the datasheet under production details, which can affect post-translational modifications relevant to your application.

Question 8

Can I return this product if I ordered the wrong one?

Accepted Answer

As a consumer, you have a 14-day right of withdrawal from receipt under EU consumer protection law, submitted via our withdrawal/cancellation request form. Note this applies to unused, undamaged products, and doesn’t override the expiry/storage conditions on performance-based claims.

Complement factor I

Product Specifications

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