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Antazoline Sulfate

Antistine-Privine (Antazoline Sulfate) is a 1st generation antihistamine, with good anticholinergic properties. It is used to relieve nasal congestion and added in eye drops, usually in combination with naphazoline, to relieve the symptoms of allergic conjunctivitis.

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CAT No: 10-101-110

CAS No: 91-75-8 (net), 24359-81-7 (sulfate)

Synonyms/Alias: 2-(N-Phenyl-N-benzyl-aminomethyl)imidazoline · sulfate; 2-[(N-Benzylanilino)methyl]-2-imidazoline · sulfate; 4,5-Dihydro-N-phenyl-N-(phenylmethyl)-1H-imidazole-2-methanamine · sulfate

Chemical Name: N-benzyl-N-(4,5-dihydro-1H-imidazol-2-ylmethyl)aniline;sulfuric acid

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M.F/FormulaC17H19N3·H2O4S
M.W/Mr.363.35
Labeling TargetHistamine Receptor
ApplicationConjunctivitis
AppearanceSolid powder
Purity>98% (or refer to the Certificate of Analysis)
ActivityAntagonist
Areas of InterestNeurological Disease
TargetHistamine H1 receptor
Source#Synthetic
Long-term Storage ConditionsSoluble in DMSO
Shipping ConditionShipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Short-term Storage ConditionsDry, dark and at 0 - 4 °C
Solubility-20 °C
InChIInChI=1S/C17H19N3/c1-3-7-15(8-4-1)13-20(14-17-18-11-12-19-17)16-9-5-2-6-10-16/h1-10H,11-14H2,(H,18,19)
InChI KeyREYFJDPCWQRWAA-UHFFFAOYSA-N
Canonical SMILESC1CN=C(N1)CN(CC2=CC=CC=C2)C3=CC=CC=C3.OS(=O)(=O)O
BoilingPoint475.5±38.0 °C at 760 mmHg
ShelfLife>2 years if stored properly
References

Antazoline seems to be safe agent in termination of AF in patients undergoing pulmonary vein isolation. We also observed satisfying efficacy, which needs to be proved in a randomized clinical trial.

Balsam P, Koźluk E, Peller M, et al. Antazoline for termination of atrial fibrillation during the procedure of pulmonary veins isolation[J]. Advances in medical sciences, 2015, 60(2): 231-235.

Intravenous antazoline was effective and safe in the rapid conversion of non-valvular paroxysmal atrial fibrillation to sinus rhythm in patients without heart failure.

Maciag A, Farkowski M M, Chwyczko T, et al. Efficacy and safety of antazoline in the rapid cardioversion of paroxysmal atrial fibrillation (the AnPAF Study)[J]. EP Europace, 2016: euw384.

Antazoline is an old antihistaminic and new antiarrhythmic agent with unknown mechanisms of action which recently has been shown to effectively terminate atrial fibrillation. The aim of study was to examine the effects of antazoline on hemodynamic and ECG parameters.

Piotrowski R, Giebułtowicz J, Baran J, et al. Antazoline—insights into drug‐induced electrocardiographic and hemodynamic effects: Results of the ELEPHANT II substudy[J]. Annals of Noninvasive Electrocardiology, 2017.

Melting Point159ºC
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