Paroxetine hydrochloride hemihydrate
SIGMA/P9623 - ≥98% (HPLC), powder
Synonym: Paroxetine HCl; (3S-
CAS Number: 110429-35-1
Empirical Formula (Hill Notation): C19H20FNO3 · HCl · .5 H2O
Molecular Weight: 374.83
MDL Number: MFCD03658863
Linear Formula: C19H20FNO3 · HCl · .5 H2O
Product Type: Chemical
| assay | ≥98% (HPLC) |
| color | white |
| form | powder |
| InChI | 1S/C19H20FNO3.ClH.H2O/c20 |
| InChI key | QRQSGFFISBKLMZ-YHOFXEKLSA |
| originator | GlaxoSmithKline |
| Quality Level | 100 ![]() |
| SMILES string | O.Cl[H].Fc1ccc(cc1)[C@@H] |
| storage condition | desiccated |
| Application: | Paroxetine hydrochloride hemihydrate has been used: as an antidepressant to study its effects on neural stem cells (NSCs) from embryonic rat hippocampus in vitro; as a CYP 2D6 inhibitor to study its effects on the in vitro production by human recombinant CYP 2D6 of the phenolic metabolites; as an antidepressant to study its effects on the expression of pituitary adenylate cyclase activating polypeptide (PACAP), its receptors and brain-derived neurotrophic factor (BDNF) in rat primary hippocampal neurons |
| Biochem/physiol Actions: | Paroxetine hydrochloride hemihydrate is one of the most potent and selective of the selective serotonin reuptake inhibitors (SSRI); antidepressant |
| Biochem/physiol Actions: | Paroxetine is a phenylpiperidine derivative. It has the ability to cross placenta. Paroxetine is known to increase the risk of congenital cardiac malformations. It might be useful in hormone replacement therapy for treating vasomotor symptoms during menopause. It is known to ameliorate the effects of panic disorder, obsessive‐compulsive disorder and social phobia. |
| Biochem/physiol Actions: | Selective serotonin reuptake inhibitor; antidepressant |
| Features and Benefits: | This compound was developed by GlaxoSmithKline . To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here . |
| Legal Information: | Sold with the permission of GlaxoSmithKline |
| Packaging: | 10, 50 mg in glass bottle |
| Symbol | ![]() GHS07,GHS09 |
| Signal word | Warning |
| Hazard statements | H302 - H411 |
| Precautionary statements | P273 - P301 + P312 + P330 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98% (HPLC) |
| UNSPSC | 12352200 |



