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S0038-2 Contact for quotation ¥100
S0038-10 Contact for quotation ¥100


Barbadin is a novel and selective β-arrestin/β2-adaptin interaction inhibitor, has IC50 values of 19.1 μM for β-arrestin1 and 15.6 μM for β-arrestin2. Barbadin blocks agonist-promoted endocytosis of the prototypical β2-adrenergic, V2-vasopressin and angiotensin-II type-1 receptors.

Product information

CAS Number: 356568-70-2

Molecular Weight: 333.41

Formula: C19H15N3OS

Chemical Name: 3-amino-5-(4-benzylphenyl)-3H,4H-thieno[2,3-d]pyrimidin-4-one

Smiles: NN1C=NC2SC=C(C=2C1=O)C1C=CC(CC2C=CC=CC=2)=CC=1


InChi: InChI=1S/C19H15N3OS/c20-22-12-21-18-17(19(22)23)16(11-24-18)15-8-6-14(7-9-15)10-13-4-2-1-3-5-13/h1-9,11-12H,10,20H2

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 50 mg/mL (149.97 mM; Need ultrasonic).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Beautrait A, et al. A new inhibitor of the β-arrestin/AP2 endocytic complex reveals interplay between GPCR internalization and signalling. Nat Commun. 2017 Apr 18;8:15054. doi: 10.1038/ncomms15054.

Products are for research use only. Not for human use.


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