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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Paroxetine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Paroxetine impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Paroxetine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Paroxetine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Paroxetine D6 Stable Isotopes CS-O-53615 Not Available Enquire
N-Nitroso paroxetine Impurity -d4 (phenyl d4) Stable Isotopes CS-O-53638 2361294-43-9(Unlabelled) Enquire
N-Nitroso Paroxetine Impurity-d4(Mixture of Isomers) Stable Isotopes CS-O-53646 Not Available In Stock
Paroxetine D4 Stable Isotopes CS-O-35926 1217976-29-8 Enquire
Paroxetine-D3 Stable Isotopes CS-O-52372 Not Available Enquire
Paroxetine-d6 Stable Isotopes CS-O-33034 1435728-63-4 In Stock
Paroxetine-D6 maleate solution Stable Isotopes CS-BX-00844 1435728-64-5 Enquire
Paroxetine-D6 Oxalate Stable Isotopes CS-EO-02384 1435728-63-4 (free base) Enquire
rac-N-Methyl Paroxetine-d4 Stable Isotopes CS-T-101121 Not Available Enquire
rac-Paroxetine-d4 Hydrochloride Stable Isotopes CS-T-95159 1217683-35-6 Enquire
trans N-Benzyl Paroxetine-d4 Stable Isotopes CS-T-97755 1217614-37-3 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Paroxetine API Standards CS-EL-00135 61869-08-7 In Stock
Paroxetine Hemihydrate API Standards CS-EO-03753 61869-08-7 (Freebase) Enquire
Paroxetine hydrochloride API Standards CS-O-11706 78246-49-8 In Stock
Paroxetine Hydrochloride Hemihydrate API Standards CS-BV-00019 110429-35-1 In Stock
Paroxetine mesylate API Standards CS-O-53970 217797-14-3 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
((3S,4R)-4-(p-tolyl)piperidin-3-yl)methanol Hydrochloride Impurities CS-O-59318 Not Available Enquire
(3R,4R)-N-Methyl Paroxetine Impurities CS-O-59321 112058-87-4 Enquire
(3R,4S)-N-Methyl Paroxetine Impurities CS-O-59325 2575750-19-3 Enquire
(3R,4S)-N-Phenoxycarbonyl Paroxetine Impurities CS-O-37355 Not Available Enquire
(3S,4R)-1-Methyl-4-phenyl-3-piperidinemethanol Impurities CS-O-59487 176022-03-0 Enquire
(3S,4S)-N-Methyl Paroxetine Impurities CS-O-59324 Not Available Enquire
(4aR,9aS)-7-Fluoro-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-c]p... Impurities CS-O-59314 Not Available Enquire
3-(Benzo[d][1,3]dioxol-5-yloxy)-4-(4-fluorophenyl)-1-methylp... Impurities CS-EO-03175 Not Available Enquire
cis-(-)-Paroxetine Hydrochloride Impurities CS-T-38729 105813-04-5 In Stock
Cis-Paroxetine Impurities CS-O-59320 105813-07-8 Enquire
Desmethylene Paroxetine Hydrochloride Impurities CS-T-16232 1394861-12-1 Enquire
ent-Paroxetine Hydrochloride Impurities CS-T-38726 130855-30-0 In Stock
Methylene-Bis Paroxetine Dihydrochloride Dihydrate Impurities CS-O-48994 2105932-71-4 (Freebase) In Stock
N-Phenoxycarbonyl Paroxetine Impurity Impurities CS-O-59485 253768-88-6 Enquire
Paroxetine 3-Hydroxy Metabolite methanesulfonate Impurities CS-O-59329 Not Available Enquire
Paroxetine 4-Hydroxy Metabolite methanesulfonate Impurities CS-O-59332 Not Available Enquire
Paroxetine Amadori product Impurities CS-O-54089 Not Available In Stock
Paroxetine Anhydrous EP Impurity I Impurities CS-O-15358 125224-43-3 In Stock
Paroxetine Dimer Dihydrochloride Impurities CS-O-59483 606968-05-2 Enquire
Paroxetine EP Impurity A Hydrochloride Impurities CS-P-09013 1394842-91-1 In Stock
Paroxetine EP Impurity C HCl Impurities CS-O-15360 105813-13-6 Enquire
Paroxetine EP Impurity E Impurities CS-EO-00879 1396174-70-1 In Stock
Paroxetine EP Impurity H Impurities CS-EO-03751 503834-41-1 Enquire
Paroxetine EP Impurity J Impurities CS-EO-00574 Not Available Enquire
Paroxetine Hydrochloride EP Impurity D Impurities CS-O-49120 112058-85-2 Enquire
Paroxetine Hydrochloride Hemihydrate - Impurity E Impurities CS-O-39739 1396174-70-1 Enquire
Paroxetine Hydrochloride Hemihydrate EP Impurity C HCl salt Impurities CS-EO-03752 1395408-54-4 (Freebase) Enquire
Paroxetine Impurity 1 Impurities CS-O-51235 Not Available Enquire
Paroxetine Impurity 10 Impurities CS-O-59337 Not Available Enquire
Paroxetine Impurity 4 Impurities CS-O-42830 324023-99-6 Enquire
Paroxetine Impurity 7 Impurities CS-O-59327 Not Available Enquire
Paroxetine Impurity 8 Impurities CS-O-59328 Not Available Enquire
Paroxetine Impurity 9 Impurities CS-O-59335 Not Available Enquire
Paroxetine impurity H Impurities CS-T-05658 201855-60-9 In Stock
Paroxetine Methoxy Analog (R,S) isomer Impurities CS-O-47962 Not Available Enquire
paroxetine piperidin-3-ol Impurity Impurities CS-O-58347 384338-20-9 Enquire
Paroxetine Related Compound G Impurities CS-T-14731 1217655-87-2 Enquire
rac-4-Ethoxy Paroxetine hydrochloride Salt Impurities CS-O-48506 2990987-84-1 Enquire
rac-N-Methyl Paroxetine Impurities CS-O-49267 315197-83-2 Enquire
Rel-Paroxetine hydrochloride hemihydrate EP Impurity B HCl Impurities CS-T-14772 127017-74-7 In Stock


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Paroxetine for system suitability (Y0000630) EP Standards CS-EG-02807 110429-35-1 Enquire
Paroxetine impurity D (Y0000256) EP Standards CS-EG-01905 130855-30-0 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
trans-3-Ethoxycarbonyl-4-(4-flurophenyl)-N-methyl piperdine-... Intermediates CS-O-10633 109887-52-7 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sesamol Fine Chemicals CS-O-04994 533-31-3 In Stock