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
941685-37-6
Alternate CAS Number
2703484-89-1(phosphate salt)
CAS Number
STD-36505-84-7: IMP-L- 21098-11-3: IMP-N- 257877-44-4: IMP-E-257877-43-3: IMP-G-84746-24-7: IMP-J-2726492-72-2
CAS Number
Venlafaxine STD - 93413-69-5 ; EP-IMP-D -149289-30-5 ; EP-IMP-F - 93413-57-1 ;
Alternate CAS Number
99300-78-4 (HCl Salt)
CAS Number
STD- 102625-70-7: IMP-A(RC-A)- 127780-16-9: IMP-B(RC-B)- 102625-64-9: IMP-C(RC-C)- 97963-62-7: IMP-D(RC-D)- 624742-53-6: IMP-E(RC-E)-2115779-15-0 : IMP-F(RC-F)-721924-06-7
CAS Number
Candesartan Cilexetil - 145040-37-5 ; IMP-A -139481-58-6 ; IMP-B- 869631-11-8 ; IMP-F-914613-36-8;
CAS Number
Minoxidil STD : 38304-91-5 : IMP - A - 35139-67-4 : IM - B - 156-83-2 : IM - E - 24867-26-3
CAS Number
Amidotrizoic acid STD-117-96-4;737-31-5(sodium salt);131-49-7(meglumine salt);50978-11-5(Dihydrate): IMP-A-1713-07-1: IMP-B-162193-52-4: IMP-C-162193-53-5: IMP-D-NA
CAS Number
Amylmetacresol STD - 1300-94-3 : IMP - A - 876473-73-3 : IMP - G - 1357600-49-7 ;
CAS Number
Amoxicillin STD - 26787-78-0 ; IMP-E -1356020-01-3 ; IMP-G-188112-75-6;IMP-I-22818-40-2 ;
Alternate CAS Number
61336-70-7 (Amoxicillin Trihydrate - API (Trihydrate Salt)) , 34642-77-8 (Na salt)