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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 ---- 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-D3 Stable Isotopes CS-O-52372 Not Available Enquire
Paroxetine-d6 Stable Isotopes CS-O-33034 1435728-63-4 In Stock
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
trans N-Benzyl Paroxetine-d4 Stable Isotopes CS-T-97755 1217614-37-3 Enquire
Paroxetine D4 Stable Isotopes CS-O-35926 1217976-29-8 Enquire
Paroxetine-D6 maleate solution Stable Isotopes CS-BX-00844 1435728-64-5 Enquire
rac-Paroxetine-d4 Hydrochloride Stable Isotopes CS-T-95159 1217683-35-6 Enquire
rac-trans-4-Defluoro-4-(4-fluorophenyl) Paroxetine-d4 Hydroc... Stable Isotopes CS-T-101095 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Paroxetine API CS-EL-00135 61869-08-7 In Stock
Paroxetine Hemihydrate API CS-EO-03753 61869-08-7 (Freebase) Enquire
Paroxetine hydrochloride API CS-O-11706 78246-49-8 In Stock
Paroxetine Hydrochloride Hemihydrate API CS-BV-00019 110429-35-1 In Stock
Paroxetine mesylate API CS-O-53970 217797-14-3 Enquire
ent-Paroxol API CS-T-38732 389573-45-9 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
((3S,4R)-4-(p-tolyl)piperidin-3-yl)methanol Hydrochloride Impurity CS-O-59318 ---- Enquire
(3R,4R)-N-Methyl Paroxetine Impurity CS-O-59321 112058-87-4 Enquire
(3R,4S)-N-Methyl Paroxetine Impurity CS-O-59325 2575750-19-3 Enquire
(3R,4S)-N-Phenoxycarbonyl Paroxetine Impurity CS-O-37355 ---- Enquire
(3S,4R)-1-Methyl-4-phenyl-3-piperidinemethanol Impurity CS-O-59487 176022-03-0 Enquire
(3S,4S)-N-Methyl Paroxetine Impurity CS-O-59324 ---- Enquire
(4aR,9aS)-7-Fluoro-2,3,4,4a,9,9a-hexahydro-1H-indeno[2,1-c]p... Impurity CS-O-59314 ---- Enquire
3-(Benzo[d][1,3]dioxol-5-yloxy)-4-(4-fluorophenyl)-1-methylp... Impurity CS-EO-03175 Not Available Enquire
cis-(-)-Paroxetine Hydrochloride Impurity CS-T-38729 105813-04-5 In Stock
Cis-Paroxetine Impurity CS-O-59320 105813-07-8 Enquire
Desfluoro Paroxetine impurity A Impurity CS-O-14596 324024-00-2 In Stock
Desmethylene Paroxetine Hydrochloride Impurity CS-T-16232 1394861-12-1 Enquire
ent-Paroxetine Hydrochloride Impurity CS-T-38726 130855-30-0 In Stock
Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxo-3-piperidinecarb... Impurity CS-O-47969 202534-94-9 Enquire
Methyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxo-3-piperidinecar... Impurity CS-O-47970 1558726-44-5 Enquire
Methylene-Bis Paroxetine Dihydrochloride Dihydrate Impurity CS-O-48994 2105932-71-4 (Freebase) In Stock
N-Methyl Paroxetine Impurity CS-T-58520 110429-36-2 In Stock
N-Phenoxycarbonyl Paroxetine Impurity Impurity CS-O-59485 253768-88-6 Enquire
Paroxetine 3-Hydroxy Metabolite methanesulfonate Impurity CS-O-59329 ---- Enquire
Paroxetine 4-Hydroxy Metabolite methanesulfonate Impurity CS-O-59332 ---- Enquire
Paroxetine Amadori product Impurity CS-O-54089 Not Available In Stock
Paroxetine Anhydrous EP Impurity I Impurity CS-O-15358 125224-43-3 In Stock
Paroxetine Dimer Dihydrochloride Impurity CS-O-59483 606968-05-2 Enquire
Paroxetine EP Impurity A Hydrochloride Impurity CS-P-09013 1394842-91-1 In Stock
Paroxetine EP Impurity C HCl Impurity CS-O-15360 105813-13-6 Enquire
Paroxetine EP Impurity E Impurity CS-EO-00879 1396174-70-1 In Stock
Paroxetine EP Impurity H Impurity CS-EO-03751 503834-41-1 Enquire
Paroxetine Hydrochloride EP Impurity D Impurity CS-O-49120 112058-85-2 Enquire
Paroxetine Hydrochloride Hemihydrate EP Impurity C HCl salt Impurity CS-EO-03752 1395408-54-4 (Freebase) Enquire
Paroxetine Impurity 1 Impurity CS-O-51235 ---- Enquire
Paroxetine Impurity 10 Impurity CS-O-59337 ---- Enquire
Paroxetine Impurity 4 Impurity CS-O-42830 324023-99-6 Enquire
Paroxetine Impurity 5 Impurity CS-P-06957 100332-20-5 Enquire
Paroxetine Impurity 6 Impurity CS-P-06956 100332-12-5 Enquire
Paroxetine Impurity 7 Impurity CS-O-59327 ---- Enquire
Paroxetine Impurity 8 Impurity CS-O-59328 ---- Enquire
Paroxetine Impurity 9 Impurity CS-O-59335 ---- Enquire
Paroxetine impurity G Impurity CS-O-50080 69675-10-1 Enquire
Paroxetine impurity H Impurity CS-T-05658 201855-60-9 In Stock
Paroxetine Methoxy Analog (R,S) isomer Impurity CS-O-47962 ---- Enquire
paroxetine piperidin-3-ol Impurity Impurity CS-O-58347 384338-20-9 Enquire
Paroxetine Related Compound G Impurity CS-T-14731 1217655-87-2 Enquire
rac-4-Ethoxy Paroxetine hydrochloride Salt Impurity CS-O-48506 2990987-84-1 Enquire
rac-N-Methyl Paroxetine Impurity CS-O-49267 315197-83-2 Enquire
Rel-Paroxetine hydrochloride hemihydrate EP Impurity B HCl Impurity CS-T-14772 127017-74-7 In Stock
N-Desmethyl Paroxol Hydrochloride Impurity CS-T-15569 220548-73-2 Enquire
Paroxetine EP Impurity J Impurity CS-EO-00574 Not Available Enquire
Paroxetine Impurity Impurity CS-EO-02327 ---- Enquire
Paroxetine Impurity (SB-660525 P4 impurity I ) Impurity CS-O-41156 ---- Enquire
Paroxetine Related Compound C Impurity CS-BX-00942 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Benzyl-4-piperidinol Intermediate CS-M-56726 4727-72-4 In Stock
trans-3-Ethoxycarbonyl-4-(4-flurophenyl)-N-methyl piperdine-... Intermediate 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


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso paroxetine Impurity Nitrosamine CS-EO-01267 2361294-43-9 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Paroxetine hydrochloride Secondary Standards CS-SS-24752-500MG 110429-35-1 Enquire
Paroxetine Related Compound C Secondary Standards CS-SS-25779-50MG 130855-30-0 Enquire
Paroxetine Related Compound F Secondary Standards CS-SS-25780-50MG 110429-36-2 Enquire