[CAS Number 753475-15-9] Norquetiapine hydrochloride is a primary metabolite of quetiapine. Quetiapine is an atypical antipsychotic drug approved to treat bipolar disorder, schizophrenia, and major depressive disorder. Norquetiapine.HCl is available as reference material (bulk powder and/or solution) and as calibrated, Ready-to-Use, certified reference material (CRM). This product is designed for qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications. Special storage & shipping requirements.