Ajmaline | CAS:4360-12-7 | Manufacturer ChemFaces

Ajmaline

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Ajmaline Description

Source:	The roots of Rauvolfia verticillata
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Storage:	Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C). Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
After receiving:	The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

Kinase Assay:

Naunyn Schmiedebergs Arch Pharmacol. 2013 Nov;386(11):991-9.

Inhibition of cardiac Kv1.5 and Kv4.3 potassium channels by the class Ia anti-arrhythmic ajmaline: mode of action.[Pubmed: 23832378]

Ajmaline is a class Ia anti-arrhythmic compound that is widely used for the diagnosis of Brugada syndrome and the acute treatment of atrial or ventricular tachycardia. For Ajmaline, inhibitory effects on a variety of cardiac K(+) channels have been observed, including cardiac Kv1 and Kv4 channels. However, the exact pharmacological properties of channel blockade have not yet been addressed adequately.
METHODS AND RESULTS:
Using two different expression systems, we analysed pharmacological effects of Ajmaline on the potassium channels Kv1.5 and Kv4.3 underlying cardiac I Kur and I to current, respectively. When expressed in a mammalian cell line, we find that Ajmaline inhibits Kv1.5 and Kv4.3 with an IC50 of 1.70 and 2.66 μM, respectively. Pharmacological properties were further analysed using the Xenopus expression system. We find that Ajmaline is an open channel inhibitor of cardiac Kv1.5 and Kv4.3 channels. Whereas Ajmaline results in a mild leftward shift of Kv1.5 activation curve, no significant effect on Kv4.3 channel activation could be observed. Ajmaline did not significantly affect channel inactivation kinetics. Onset of block was fast. For Kv4.3 channels, no significant effect on recovery from inactivation or channel deactivation could be observed. Furthermore, there was no use-dependence of block.
CONCLUSIONS:
Taken together, we show that Ajmaline inhibits cardiac Kv1.5 and Kv4.3 channels at therapeutic concentrations. These data add to the current understanding of the electrophysiological basis of anti-arrhythmic action of Ajmaline.

Product Name	Ajmaline
Price:
CAS No.:	4360-12-7
Catalog No.:	CFN93513
Molecular Formula:	C₂₀H₂₆N₂O₂
Molecular Weight:	326.4 g/mol
Purity:	>=98%
Type of Compound:	Alkaloids
Physical Desc.:	Powder
Source:	The roots of Rauvolfia verticillata
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download:	COA MSDS SDF
Similar structural:	Comparison (Web) (SDF)
Guestbook:

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries	Antiarrhythmic Compound Library Alkaloids Compound Library Potassium Channel Inhibitor Library

Description:	Ajmaline is a class Ia anti-arrhythmic compound that is widely used for the diagnosis of Brugada syndrome and the acute treatment of atrial or ventricular tachycardia. Ajmaline inhibits cardiac Kv1.5 and Kv4.3 channels at therapeutic concentrations.
Targets:	Potassium Channel

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	3.0637 mL	15.3186 mL	30.6373 mL	61.2745 mL	76.5931 mL
5 mM	0.6127 mL	3.0637 mL	6.1275 mL	12.2549 mL	15.3186 mL
10 mM	0.3064 mL	1.5319 mL	3.0637 mL	6.1275 mL	7.6593 mL
50 mM	0.0613 mL	0.3064 mL	0.6127 mL	1.2255 mL	1.5319 mL
100 mM	0.0306 mL	0.1532 mL	0.3064 mL	0.6127 mL	0.7659 mL

CFN97757	Vinorine	34020-07-0	334.42	C₂₁H₂₂N₂O₂
CFN97910	Alstoyunine E	1188932-15-1	350.4	C₂₁H₂₂N₂O₃
CFN97762	Raucaffricine	31282-07-2	512.56	C₂₇H₃₂N₂O₈
CFN98673	Perakine	4382-56-3	350.4	C₂₁H₂₂N₂O₃
CFN92509	(+)-Isoajmaline	6989-79-3	326.4	C₂₀H₂₆N₂O₂
CFN93513	Ajmaline	4360-12-7	326.4	C₂₀H₂₆N₂O₂
CFN92581	Ajmalidine	639-30-5	324.4	C₂₀H₂₄N₂O₂
CFN92611	Ajmalan-17-one	3911-19-1	322.4	C₂₀H₂₂N₂O₂
CFN92503	Ajmalimine	59846-31-0	520.6	C₃₀H₃₆N₂O₆
CFN92504	Rauvomitin	466-57-9	502.6	C₃₀H₃₄N₂O₅