Manasa Life Sciences, based in Hyderabad, India, produces and supplies a wide variety of pharmaceutical API impurities for use in quality control and analytical research. The company offers pharmacopeial and non-pharmacopeial process impurities, degradation products, and related by-products that support impurity profiling, method development, stability testing, and analytical validation in line with regulatory standards. These reference impurities enable pharmaceutical manufacturers to accurately detect, identify, and measure trace-level impurities in APIs, helping maintain product safety, quality, and compliance with ICH and USP guidelines.

CAS Number
72-69-5
Alternate CAS Number
894-71-3 (Nortriptyline Hydrochloride)
CAS Number
1159-03-1
Alternate CAS Number
2754-55-4 (HCl salt)
CAS Number
719-59-5
Alternate CAS Number
403603-27-0 (HCl salt)
CAS Number
941685-37-6
Alternate CAS Number
2703484-89-1(phosphate salt)
CAS Number
1315629-79-8 (Na Salt)
Alternate CAS Number
873950-18-6 (Free Base ) ; 3085658-74-5(calcium salt)
CAS Number
842103-12-2
Alternate CAS Number
840528-19-0(calcium salt)
CAS Number
693794-20-6
Alternate CAS Number
693793-53-2(Ca Salt);1807481-00-0(sodium salt)