Question 1

What is the catalog number for VR-23?

Accepted Answer

The catalog number for VR-23 is M12402.

Question 2

What sizes are available for VR-23?

Accepted Answer

VR-23 is available in the following size(s): 1 g, 500 mg, 1 mL x 10 mM in DMSO, 10 mg, 25 mg, 50 mg, 100 mg, 200 mg.

Question 3

How many pack sizes does VR-23 come in?

Accepted Answer

VR-23 is available in 8 different pack sizes.

Question 4

Is VR-23 in stock?

Accepted Answer

VR-23 is currently made to order / not held in immediate stock. Contact us for lead time.

Question 5

What is VR-23 used for?

Accepted Answer

A potent inhibitor of trypsin-like proteasome (IC50=1 nM), chymotrypsin-like proteasome (IC50=50-100 nM) and caspase-like proteasome (IC50=3 uM) .

Question 6

Is this product species cross-reactive?

Accepted Answer

Cross-reactivity data, based on available testing, is listed under the reactivity section of the datasheet. Contact us if you need reactivity confirmed for a species not listed.

Question 7

Is there an additional fee for hazardous or dry ice shipping of this product?

Accepted Answer

Yes, if this product requires dry ice or is classed as hazardous for transport, the additional fee will be explicitly shown in your quotation before you confirm the order, so there are no surprise charges later.

Question 8

How many freeze-thaw cycles can this product tolerate?

Accepted Answer

We recommend aliquoting the product upon receipt to avoid repeated freeze-thaw cycles, which can reduce activity and stability. This is your responsibility once the product has been delivered.

VR-23

Product Specifications

CAS Number

Stability

Purity

Weight

Molecular Formula

Notes

Receptor

Available Sizes

Frequently Asked Questions

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