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
125-73-5
Alternate CAS Number
69376-27-8(HCl Salt);143-98-6(Tartrate Salt)
CAS Number
1177494-18-6
Alternate CAS Number
1177419-85-0(HCl Salt)
CAS Number
127792-23-8
Alternate CAS Number
127792-45-4(Na Salt)
CAS Number
15307-86-5
Alternate CAS Number
15307-81-0(K Salt); 15307-79-6(Na Salt)
CAS Number
484-23-1
Alternate CAS Number
7327-87-9 (Sulfate)
CAS Number
24390-14-5
Alternate CAS Number
564-25-0(Freebase);17086-28-1(Doxycycline Monohydrate - API (Monohydrate Salt));10592-13-9(HCl salt)
CAS Number
116539-60-7
Alternate CAS Number
910138-96-4(HCl Salt)
CAS Number
959392-22-4
Alternate CAS Number
2748376-86-3 (HCl salt); 2379325-42-3(oxalate Salt)