Atomoxetine EP Impurity C HCl

Product Name: Atomoxetine EP Impurity C HCl
CAS No.: 1643684-06-3
Chemical Name: Atomoxetine EP Impurity C HCl
Synonyms: ATOMOXETINE;Atomoxetine EP Impurity C HCl;p-Tolyloxy Atomoxetine Hydrochloride;(R)-N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine;(R)-N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride;(R)-(-)-N-Methyl-3-phenyl-3-(p-tolyoxy)-propylamine hydrochloride;Atomoxetine Impurity 3 Hydrochloride(Atomoxetine EP Impurity C Hydrochloride);(R)-N-Methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride (Atomoxetine Impurity)
CBNumber: CB7346828
Molecular Formula: C17H21NO
Formula Weight: 255.35
MOL File: Mol file

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Atomoxetine EP Impurity C HCl Property

pka: pKa 10.1 (Uncertain)

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Hazard and Precautionary Statements (GHS)

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Atomoxetine EP Impurity C HCl Chemical Properties,Usage,Production

Uses

p-Tolyloxy Atomoxetine Hydrochloride is an impurity of Atomoxetine Hydrochloride(A791400) which is a norepinephrine reuptake inhibitor.

Pharmacokinetics

Atomoxetine is well absorbed from the GItract and cleared primarily by metabolism, with the majority of the dose being excreted into the urine. Atomoxetine is metabolized primarily by CYP2D6 to its major active metabolite, 4-hydroxyatomoxetine, which is eliminated as its glucuronide. Peak plasma concentrations of atomoxetine occur 1 to 2 hours after oral administration. Significant differences are seen in the elimination half-life between normal metabolizers, extensive metabolizers, and poor metabolizers. Atomoxetine exhibited an elimination half-life of 3 to 6 hours for normal and extensive metabolizers and 17 to 21 hours for poor metabolizers. CYP2C19 is the other enzyme primarily responsible for the formation of its minor metabolite N-desmethylatomoxetine.

Clinical Use

Atomoxetine is used as a safe and well-tolerated “nonstimulant” treatment of ADHD in both adults and children and of depression. Among children and adolescents aged 8 to 18 years, atomoxetine was superior to placebo in reducing symptoms of ADHD and in improving social and family functioning symptoms. Oral atomoxetine is promoted as an alternative to conventional ADHD therapy with methylphenidate, dextroamphetamine, and pemoline. It also can be a replacement for bupropion or for TCAs. Onset of action is approximately 7 days.

Side effects

At therapeutic doses, no serious drug-related adverse effects have been encountered. Adverse effects have included modest increases in diastolic blood pressure and heart rate, anorexia, weight loss, somnolence, dizziness, GI effects (nausea), dry mouth, and skin rash.

Enzyme inhibitor

This ADHD drug (FWfree-base = 255.36 g/mol; FWhydrochloride = 291.81 g/mol; CAS 83015-26-3), also known as LY139603, Strattera?, and systematically as (3R) -N-methyl-3- (2-methylphenoxy) -3-phenylpropan-1-amine; (R) -N- methyl-3-phenyl-3- (o-tolyloxy) -propan-1-amine, potently inhibits the presynaptic norepinephrine transporter, Ki = 4.5 nM and is used to treat depression and attention-deficit/hyperactivity disorder. In 2002, Strattera became the first FDA-approved nonstimulant for the treatment of ADHD. The mechanism of action is related to its selective inhibition of presynaptic norepinephrine reuptake in the prefrontal cortex. Atomoxetine demonstrates high affinity and selectivity for norepinephrine transporters, but little or no affinity for neurotransmitter receptors. Atomoxetine demonstrates preferential binding to areas of known high distribution of noradrenergic neurons, such as the fronto-cortical subsystem. Atomoxetine undergoes extensive biotransformation, which is affected by poor metabolism by cytochrome P450 (CYP2D6) in a small percentage of the population. (Note: Atomoxetine was originally named tomoxetine, but was changed to avoid any potential confusion with tamoxifen.) Key Pharmacokinetic Parameters: See Appendix II in Goodman & Gilman’s THE PHARMACOLOGICAL BASIS OF THERAPEUTICS, 12th Edition (Brunton, Chabner & Knollmann, eds.) McGraw-Hill Medical, New York.

Atomoxetine EP Impurity C HCl Preparation Products And Raw materials

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1643684-06-3, Atomoxetine EP Impurity C HClRelated Search:

Atomoxetine impurity (S)-Tomoxetine Atomoxetine hydrochloride impurities Atomoxetine Related Compound C (10 mg) (N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride) Atomoxetine-d3 HCl 4’-Hydroxy Atomoxetine -D-Glucuronide (R)-(+)-3-(N-METHYLAMINO)-1-PHENYL-1-PROPANOL (3-CHLORO-3-PHENYL-PROPYL)-DIMETHYL-AMINE HYDROCHLORIDE Atomoxetine hydrochloride Atomoxetine impurity D 3-(N-Benzyl-N-methylamino)propiophenone hydrochloride (R)-De(trifluoromethyl) Fluoxetine Hydrochloride DESMETHYL ATOMOXETINE HYDROCHLORIDE 4-Hydroxy AtoMoxetine Oxalate Rac Atomoxetine Hydrochloride Atomoxetine Impurity 15 INDEX NAME NOT YET ASSIGNED (R)-Tomoxetine

ATOMOXETINE

Atomoxetine EP Impurity C HCl

(R)-N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine

(R)-N-methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride

p-Tolyloxy Atomoxetine Hydrochloride

(R)-(-)-N-Methyl-3-phenyl-3-(p-tolyoxy)-propylamine hydrochloride

Atomoxetine Impurity 3 Hydrochloride(Atomoxetine EP Impurity C Hydrochloride)

(R)-N-Methyl-3-phenyl-3-(p-tolyloxy)propan-1-amine hydrochloride (Atomoxetine Impurity)

1643684-06-3