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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Quetiapine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Quetiapine 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 Quetiapine-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.

Quetiapine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Benzyloxy-N-des[[2-(2-hydroxy)ethoxy]ethyl] Quetiapine-d8 Stable Isotopes CS-T-101840 1185177-12-1 Enquire
7-O-Benzyloxy Quetiapine-d8 Stable Isotopes CS-T-101858 Not Available Enquire
9-Chloro Quetiapine-D8 Stable Isotopes CS-T-96828 Not Available Enquire
N-Des[2-(2-hydroxyethoxy)ethyl] Quetiapine-d4 Dihydrochlorid... Stable Isotopes CS-T-101599 111974-74-4 (unlabeled) Enquire
N-Nitroso Quetiapine EP Impurity B-d8 Stable Isotopes CS-O-41612 Not Available In Stock
O-Dibenzo[b,f][1,4]thiazepinyl Quetiapine-D8 Stable Isotopes CS-T-96810 Not Available Enquire
Quetiapine D4 Fumarate Stable Isotopes CS-EO-02961 1217311-36-8 (free base) Enquire
Quetiapine Diether Alcohol-d8 Stable Isotopes CS-T-99291 2734379-99-6 Enquire
Quetiapine Dimer Impurity-d8 Stable Isotopes CS-T-95528 945668-94-0 (Unlabelled) Enquire
Quetiapine Hydroxy Impurity-d8 Dihydrochloride Stable Isotopes CS-T-99117 Not Available Enquire
Quetiapine Sulfone-d8 Stable Isotopes CS-T-98708 Not Available Enquire
Quetiapine Tetra Ethylene Glycol Fumarate-d8 Stable Isotopes CS-T-101560 2734435-09-5 Enquire
Quetiapine-d8 Hemifumarate (piperazine-d8) Stable Isotopes CS-T-95529 1435938-24-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(2-Piperazin-1-ylethoxy)Ethanol Impurity CS-M-25867 13349-82-1 In Stock
Quetiapine 7-Hydroxy Impurity HCl salt Impurity CS-EO-03801 139079-39-3 (Freebase) Enquire
Quetiapine Diether Alcohol (HCl salt) Impurity CS-EO-03802 329216-69-5 (Freebase) Enquire
Quetiapine EP Impuirty I (Fumarate salt) Impurity CS-EO-03804 2734403-85-9 Enquire
Quetiapine EP Impurity B (Fumarate salt) Impurity CS-EO-03803 937731-18-5 Enquire
Quetiapine EP Impurity D HCl salt Impurity CS-EO-03798 945668-94-0 (Freebase) Enquire
Quetiapine EP Impurity J Fumarate Salt Impurity CS-O-49021 2470243-24-2 Enquire
Quetiapine EP Impurity P diHCl salt Impurity CS-O-50040 2518203-12-6 Enquire
Quetiapine Ethyl Ether (Fumarate) Impurity CS-EO-03799 2470241-46-2 Enquire
Quetiapine Quaternary Salt Impurity CS-O-56613 ---- Enquire
Quetiapine Sulfone (HCl Salt) Impurity CS-EO-03800 329218-13-5 Enquire
Dibenzo[b,f][1,4]thiazepin-11(10H)-one, 5-oxide Impurity CS-O-15319 20290-48-6 Enquire
Quetiapine Hydroxy Impurity Dihydrochloride Salt Impurity CS-DV-00807 329218-14-6 Enquire
Quetiapine Impurity 17 Impurity CS-EO-01071 329216-69-5 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dibenzo[b,f][1,4]Thiazepin-11(10H)-One Intermediate CS-DQ-00012 3159-07-7 In Stock
Dibenzo[b,f][1,4]thiazepine-11(10-H)-one Intermediate CS-M-56459 3159-07-7 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-[2-(4-nitrosopiperazin-1-yl)ethoxy]ethanol Nitrosamine CS-O-38464 73486-81-4 In Stock
N-Nitroso Quetiapine EP Impurity B Nitrosamine CS-O-41094 ---- In Stock
N-Nitroso Quetiapine EP Impurity G Nitrosamine CS-EO-02705 Not Available Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Monoethyl Fumarate Therapeutic CS-O-01932 2459-05-4 In Stock