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
850649-61-5 (free base)
Alternate CAS Number
850649-62-6(Benzoate salt)
CAS Number
23828-92-4
Alternate CAS Number
18683-91-5(Freebase)
CAS Number
51579-82-9
Alternate CAS Number
61618-27-7(Na Hydrate salt);61941-56-8(Na Salt)
CAS Number
446254-47-3
Alternate CAS Number
54-96-6(Free base)
CAS Number
54-96-6
Alternate CAS Number
446254-47-3 (phosphate salt)
CAS Number
76599-74-1
Alternate CAS Number
1207-29-0(HCl Salt)
CAS Number
303-53-7
Alternate CAS Number
6202-23-9(HCl salt)
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)