Question 1

What is the catalog number for R4K1?

Accepted Answer

The catalog number for R4K1 is orb2813661.

Question 2

What sizes are available for R4K1?

Accepted Answer

R4K1 is available in the following size(s): 50 mg, 10 mg.

Question 3

How many pack sizes does R4K1 come in?

Accepted Answer

R4K1 is available in 2 different pack sizes.

Question 4

Is R4K1 in stock?

Accepted Answer

R4K1 is currently made to order / not held in immediate stock. Contact us for lead time.

Question 5

What is R4K1 used for?

Accepted Answer

R4K1 is a cell-permeable stapled peptide that acts as a high-affinity antagonist of estrogen receptor α (ERα), blocking coactivator binding. It effectively enters breast cancer cells to modulate transcription and inhibit proliferation, making it a valuable tool for in vitro and in vivo studies of ER

Question 6

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.

Question 7

Is this product tested for endotoxin levels?

Accepted Answer

Endotoxin testing status is noted on the datasheet where applicable, particularly for recombinant proteins intended for cell-based or functional assays. If this isn’t listed and you need confirmation, contact support with the catalogue number.

Question 8

Can I request additional validation data, such as western blot images, for this product?

Accepted Answer

Additional data may be available on request. Contact our technical support team with the catalogue number and we’ll check what supporting documentation the supplier can provide.

R4K1

Product Specifications

Field of Research

Molecular Weight

Storage Conditions

Notes

Available Sizes

Frequently Asked Questions

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