Question 1

What is the catalog number for CHIR 99021?

Accepted Answer

The catalog number for CHIR 99021 is 1677-100.

Question 2

Is CHIR 99021 in stock?

Accepted Answer

CHIR 99021 is currently made to order / not held in immediate stock. Contact us for lead time.

Question 3

What is CHIR 99021 used for?

Accepted Answer

A potent and highly selective inhibitor of glycogen synthase kinase-3β (GSK-3β) (IC₅₀ = 6.7 nM). CHIR99021 has been shown to allow for long-term expansion of murine embryonic stem cells in a chemically-defined medium in conjunction with MEK/MAPK inhibitor PD184352 and fibroblast growth factor recept

Question 4

What is the recommended positive control for this assay?

Accepted Answer

A recommended positive control, where one is specified by the manufacturer, is listed on the datasheet or in the assay protocol.

Question 5

How should this product be stored?

Accepted Answer

Storage conditions depend on the specific reagent and are listed on the product datasheet, with most antibodies and proteins requiring -20°C unless stated otherwise. It is your responsibility to store the product correctly immediately upon receipt; damage from improper storage after delivery is not eligible for replacement.

Question 6

Is this product animal-origin-free?

Accepted Answer

Animal-origin-free status, where applicable, is noted on the datasheet under formulation details.

CHIR 99021

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