A 1899

Catalog # Availability Size / Price Qty
A 1899 | CAS No. 498577-46-1 | Two-P Potassium Channels Blockers
1 Image
Description: Potent K2P3.1 (TASK-1) and K2P9.1 (TASK-3) blocker

Chemical Name: N-[(2,4-Difluorophenyl)methyl]-2'-[[[2-(4-methoxyphenyl)acetyl]amino]methyl][1,1'-biphenyl]-2-carboxamide

Product Details

Biological Activity

Potent K2P3.1 (TASK-1) and K2P9.1 (TASK-3) channel blocker (IC50 values are 7 nM and 70 nM for human TASK-1 and TASK-3 expressed in CHO cells, respectively). Displays >12.5-fold selectivity for TASK-1 and TASK-3 over other K+ channels (IC50 = 0.9 μM for K2P18.1/TRESK and >2 μM for all other channels tested). Binds within open channel pore.

Technical Data

Soluble to 100 mM in DMSO
Store the unopened product at -20 to -70 °C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Do not use past expiration date.

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.

Product Datasheets

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.



No product specific FAQs exist for this product, however you may

View all Small Molecule FAQs

Reviews for A 1899

There are currently no reviews for this product. Be the first to review A 1899 and earn rewards!

Have you used A 1899?

Submit a review and receive an Amazon gift card.

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review
Tocris Bioscience is the leading supplier of novel and exclusive tools for life science research with over 30 years' experience in the industry. Tocris is a Bio-Techne brand.