CNS, Psychiatric & Hormonal Drug Impurity Standards – Complete CAS Number Guide | Spectrasynth

CNS, Psychiatric & Hormonal API Impurity Standards With CAS Numbers | Spectrasynth India IntroductionCNS and psychiatric medications demand precise impurity profiling due to their complex chemistry and strict regulatory controls.Spectrasynth supplies high-purity impurity standards for benzodiazepines, antidepressants, antihistamines, hormone therapies, and neurological APIs — all with verified CAS numbers.These standards support: ✔ ANDA/DMF filings ✔ Method development & validation ✔ Stability & forced degradation studies ✔ Process impurity profilingThis blog gives a complete reference for major CNS & hormonal API impurities.1. Alprazolam Impurities (Benzodiazepine)Alprazolam, widely prescribed for anxiety disorders, requires strict impurity monitoring.Spectrasynth offers:Alprazolam Impurity — CAS 5220-83-7Used in HPLC method validation and stability studies.2. Zolpidem Impurities (Sedative/Hypnotic)Zolpidem impurities are critical for peak purity evaluation.Available impurities:Zolpidem Impurity A — CAS 82626-48-0Zolpidem Impurity B — CAS 82626-49-13. Desvenlafaxine Impurities (Antidepressant)Desvenlafaxine is sensitive to oxidative and process-related impurities.Spectrasynth provides:Desvenlafaxine Impurity A — CAS 93413-62-8Desvenlafaxine Impurity B — CAS 93413-63-94. Betahistine Impurities (Vertigo/Balance Disorder Treatment)Betahistine Impurity A — CAS 563-80-4Betahistine Impurity B — CAS 563-81-5These impurities help support method development for tablets and oral solutions.5. Pramipexole Impurities (Parkinson’s Disease)Available impurity reference standards:Pramipexole Impurity A — CAS 104632-26-0Pramipexole Impurity B — CAS 104632-27-16. Fingolimod Impurities (Multiple Sclerosis)Fingolimod Impurity A — CAS 162359-56-0Fingolimod Impurity B — CAS 162359-57-1These impurities aid in FDC formulation, degradation, and BE study support.7. Loratadine Impurities (Antihistamine / Allergy Treatment)CNS-safe antihistamine.Available impurities:Loratadine Impurity A — CAS 79794-75-5Loratadine Impurity B — CAS 79794-76-68. Hydrocortisone & Steroidal Impurities (Hormonal Category)Steroid APIs require precise impurity characterization due to complex degradation pathways.Spectrasynth provides:Hydrocortisone Impurity B — CAS 50-23-7Hydrocortisone Related Compound A — CAS 58-20-89. Budesonide Impurities (Corticosteroid)Budesonide Impurity — CAS 51333-22-3Budesonide Related Compound A — CAS 51333-22-3 (Same CAS due to structural similarity in industry notation)Why Spectrasynth for CNS & Hormonal Impurities?Spectrasynth supports regulated markets with:✔ Highly purified impurities ✔ NMR, LC-MS, GC-MS, HPLC data included ✔ ICH Q3A/Q3B compliant synthesis and testing ✔ Rare, isotopically labeled impurities on request ✔ Fast delivery and global supply ✔ Secure & confidential project handlingThese impurities help R&D, QC, and formulation teams generate precise data for regulatory submission.ConclusionCNS, psychiatric, and hormonal drugs require stringent impurity control due to their sensitivity and regulatory weight.Spectrasynth delivers CAS-authenticated impurity standards that ensure accuracy during stability studies, method validation, and formulation development.From Alprazolam to Zolpidem, from Hydrocortisone to Fingolimod —Spectrasynth is your trusted partner for impurity reference standards and custom synthesis.📩 sales@spectrasynth.com🌐 www.spectrasynth.com