Basic information Description Safety Supplier Related

(R)-(+)-PROPRANOLOL

Basic information Description Safety Supplier Related

(R)-(+)-PROPRANOLOL Basic information

Product Name:
(R)-(+)-PROPRANOLOL
Synonyms:
  • R-PROPANOLOL
  • R-(+)-PROPANOLOL HCL
  • 2R-(+)-Propanolol hydrochloride≥ 95% (GCMS)
  • (R)-(+)-Propanolol hydrochloride for synthesis
  • 2R-(+)-PROPANOLOL HYDROCHLORIDE
  • 2-Propanol, 1-(1-methylethyl)amino-3-(1-naphthalenyloxy)-, hydrochloride, (2R)-
  • (+)-Anapriline
  • 2-Propanol, 1-(isopropylamino)-3-(1-naphthyloxy)-, hydrochloride, (+)- (8CI)
CAS:
13071-11-9
MF:
C16H21NO2.ClH
MW:
295.81
EINECS:
235-961-7
Product Categories:
  • Amines
  • Aromatics
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
Mol File:
13071-11-9.mol
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(R)-(+)-PROPRANOLOL Chemical Properties

Melting point:
196-198 °C(lit.)
storage temp. 
Store below +30°C.
solubility 
ethanol: 10 mg/mL
form 
Solid
color 
White to Off-White
Water Solubility 
Soluble to 100 mM in water
BRN 
5780490
CAS DataBase Reference
13071-11-9(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22
Safety Statements 
22-24/25
WGK Germany 
3
HS Code 
2922 19 00

MSDS

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(R)-(+)-PROPRANOLOL Usage And Synthesis

Description

(R)-Propranolol hydrochloride is the less active enantiomer of the anti-adrenoceptor (β-adrenoceptor) antagonist propranolol (HY-B0573). Propranolol is a nonselective β-adrenergic receptor (βAR) antagonist with high affinity for β1AR and β2AR with Ki values of 1.8 nM and 0.8 nM, respectively.

Physical properties

(R)-Propranolol's solubility:ethanol: 10 mg/mLDMSO: <14.5 mg/mLH2O: 50 mg/mL (With heat. Aqueous solutions are most stable at pH 3.0 and decompose rapidly at basic pH. Decomposition is accompanied by discoloration of the solution.)

Uses

less active enantiomer

Uses

The R-enantiomer of Propranolol (P831800). β?Adrenergic blocker. Antihypertensive; antianginal; antiarrhythmic (class II).

Biochem/physiol Actions

Less active enantiomer of propranolol.

Mechanism of action

Pronolol hydrochloride is a non-selective beta-receptor blocker that blocks beta receptors in the myocardium and has antagonistic effects on beta1 and beta2 receptors. Slow down the heart rate, inhibit cardiac contractility and conduction, reduce circulating blood volume, and reduce myocardial oxygen consumption.

storage

Store at RT

Purification Methods

The hydrochloride is recrystallised from n-PrOH or Me2CO. It is soluble in H2O and EtOH but is insoluble in Et2O, *C6H6 or EtOAc. The racemate has m 163-164o, and the free base recrystallises from cyclohexane with m 96o. [Howe & Shanks Nature 210 1336 1966.] The S-isomer (below) is the physiologically active isomer.

(R)-(+)-PROPRANOLOLSupplier

Meryer (Shanghai) Chemical Technology Co., Ltd.
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