Molekula
Paroxetine hydrochloride hemihydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Paroxetine hydrochloride hemihydrate is a selective serotonin reuptake inhibitor (SSRI) primarily used as an antidepressant and anxiolytic medication. It is also prescribed for conditions like obsessive-compulsive disorder, panic disorder, and post-traumatic stress disorder. This chemical has a CAS number of 110429-35-1, with the molecular formula C19H20FNO3 · xHCl and a molecular weight of 374.84. It must be stored between 2 to 8 degrees Celsius and carries a "Danger" signal word due to its hazardous nature. Molekula supplies Paroxetine hydrochloride hemihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 mg — £46.50 per pack ex VAT · £55.80 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Water | 2.2 - 2.7% |
| Impurity A | <0.3% |
| Heavy metals | <20ppm |
| Impurity D | <0.2% |
| Solubility | Slightly soluble in water, freely soluble in methanol, sparingly soluble in alcohol and in methylene chloride |
| Assay | 98.5 - 101.5% |
| Sulphated Ash | <0.1% |
| Total Impurities | <0.5% |
| Any other impurity | <0.1% |
| Impurity G | <1ppm |
| EP Impurity G | <1ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 43946554 |
| CAS Number | 110429-35-1 |
| IUPAC Name | bis((3S,4R)-3-(1,3-benzodioxol-5-yloxymethyl)-4-(4-fluorophenyl)piperidine);hydrate;dihydrochloride |
| Molecular Formula | C19H20FNO3 · xHCl |
| Molecular Weight | 374.84 |
| Exact Mass | 748.2494 |
| SMILES | C1CNC[C@H]([C@@H]1C2=CC=C(C=C2)F)COC3=CC4=C(C=C3)OCO4.C1CNC[C@H]([C@@H]1C2=CC=C(C=C2)F)COC3=CC4=C(C=C3)OCO4.O.Cl.Cl |
| InChIKey | MQZOATSIFWSKKT-OASXIEIISA-N |
| InChI | InChI=1S/2C19H20FNO3.2ClH.H2O/c2*20-15-3-1-13(2-4-15)17-7-8-21-10-14(17)11-22-16-5-6-18-19(9-16)24-12-23-18;;;/h2*1-6,9,14,17,21H,7-8,10-12H2;2*1H;1H2/t2*14-,17-;;;/m00.../s1 |
| PubChem CID | 5282487 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 2934999090 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H361 Suspected of damaging fertility or the unborn child
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Aeopax
- C38H44Cl2F2N2O7
- MQZOATSIFWSKKT-OASXIEIISA-N
- Paroxetine for system suitability CRS
- PAROXETINE HCL HEMIHYDRATE
- Paroxetine HCl hydrate
- Paroxetine hydrochloride hydrate
- Paxil
- Paxil (TN)
- Seroxat
Frequently asked questions
What is paroxetine hydrochloride hemihydrate used for?
Paroxetine hydrochloride hemihydrate is primarily used as an active pharmaceutical ingredient (API) in the treatment of depression, anxiety disorders, and other psychiatric conditions.
What is the chemical formula and molecular weight of paroxetine hydrochloride hemihydrate?
The chemical formula is **C19H20FNO3 · xHCl**, and the molecular weight is **374.84 g/mol**.
How should paroxetine hydrochloride hemihydrate be stored?
Store at **2 to 8°C** in a cool, dry place, away from light and moisture.
What grades or purity levels are available for this product?
Molekula supplies paroxetine hydrochloride hemihydrate in **pharmaceutical-grade purity** (typically ≥99%).
Can Molekula supply paroxetine hydrochloride hemihydrate in bulk quantities?
Yes, we offer bulk quantities of paroxetine hydrochloride hemihydrate, subject to availability and regulatory compliance.
What documentation comes with an order of paroxetine hydrochloride hemihydrate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.