AQ-RA 741

Name: AQ-RA 741
Brand: Tocris Bioscience
SKU: 2292

Tocris Bioscience, part of Bio-Techne | Catalog # 2292

Citations (6)

COA / SDS

High affinity and selective M2 antagonist

Key Product Details

Description:	High affinity and selective M₂ antagonist
Chemical Name:	11-[[4-[4-(Diethylamino)butyl]-1-piperidinyl]acetyl]-5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one
Purity:	≥99% (HPLC)
Molecular Weight:	463.62

View Full Technical Details for AQ-RA 741

Technical Data
Citations

Biological Activity for AQ-RA 741

AQ-RA 741 is a high affinity, selective muscarinic M₂ receptor antagonist (pK_i values are 8.3, 7.7 and 6.82 for M₂, M₁ and M₃ receptors, respectively). Displays cardioselectivity in vivo, over intestinal, tracheal and bladder muscarinic receptors; inhibits vagally and agonist-induced bradycardia.

Compound Libraries for AQ-RA 741

AQ-RA 741 is also offered as part of the Tocriscreen 2.0 Max. Find out more about compound libraries available from Tocris.

Technical Data for AQ-RA 741

M. Wt	463.62
Formula	C₂₇H₃₇N₅O₂
Storage	Store at RT
Purity	≥99% (HPLC)
CAS Number	123548-16-3
PubChem ID	129989
InChi Key	BCUGCHZRMKTPMU-UHFFFAOYSA-N
Smiles	CCN(CC)CCCCC1CCN(CC(=O)N2C3=CC=CC=C3C(=O)NC3=C2N=CC=C3)CC1

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.

Solubility for AQ-RA 741

	Solvent	Max Conc. mg/mL	Max Conc. mM
Solubility
	1eq. HCl	46.36	100
	DMSO	46.36	100
	ethanol	46.36	100

Preparing Stock Solutions for AQ-RA 741

The following data is based on the product molecular weight 463.62.

Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
1 mM	2.16 mL	10.78 mL	21.57 mL
5 mM	0.43 mL	2.16 mL	4.31 mL
10 mM	0.22 mL	1.08 mL	2.16 mL
50 mM	0.04 mL	0.22 mL	0.43 mL

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References for AQ-RA 741

References are publications that support the biological activity of the product.

Dorje Antagonist binding profiles of five cloned human muscarinic receptor subtypes. J.Pharmacol.Exp.Ther. 1991 PMID: 1994002
Doods Pharmacological profile of selective muscarinic receptor antagonists on guinea-pig ileal smooth muscle. Eur.J.Pharmacol. 1994 PMID: 8200421
Doods Cardioselectivity of AQ-RA 741, a novel tricyclic antimuscarinic drug. Eur.J.Pharmacol. 1991 PMID: 2040358