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Aprepitant Related Compounds & Impurities

Aprepitant is a selective NK1 receptor antagonist that blocks substance P-mediated emesis, used in combination antiemetic regimens for chemotherapy-induced nausea and vomiting.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Aprepitant reference standards, pharmacopeial and non-pharmacopeial Aprepitant impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Aprepitant-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Impurity Standards

Aprepitant (R,S,R)-Isomer

CAT. No.A610033 CAS No.1185502-97-9 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant (R,S,S)-Isomer

CAT. No.A610004 CAS No.172822-28-5 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant (S,R,R)-Isomer

CAT. No.A610013 CAS No.1242175-34-3 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Instock
COA MSDS

Aprepitant (S,R,S)-Isomer

CAT. No.A610011 CAS No.170902-81-5 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Instock
COA MSDS

Aprepitant (S,S,S)-Isomer

CAT. No.A610014 CAS No.1242175-40-1 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant Diastereomer

CAT. No.A610022 CAS No.NA Mol. F.C21H19F6NO3 Mol. W.447.37 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant EP Impurity A

CAT. No.A610006 CAS No.170729-76-7 Mol. F.C23H22F6N4O3 Mol. W.516.44 g/mol Stock Status Instock
COA MSDS

Aprepitant EP Impurity B

CAT. No.A610009 CAS No.2348441-62-1 Mol. F.C29H25F7N4O3 Mol. W.610.52 g/mol Stock Status Limited Stock
COA MSDS

Aprepitant EP Impurity C

CAT. No.A610010 CAS No.2348441-63-2 Mol. F.C29H25F7N4O3 Mol. W.610.52 g/mol Stock Status Limited Stock
COA MSDS

Aprepitant Impurity 12

CAT. No.A610037 CAS No.NA Mol. F.C5H11N3O3 Mol. W.161.16 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant Impurity 13

CAT. No.A610050 CAS No.NA Mol. F.C27H22F7NO2 Mol. W.525.46 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant Impurity 14

CAT. No.A610051 CAS No.NA Mol. F.C26H20F5NO2.2HF Mol. W.513.45 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant Impurity 15

CAT. No.A610043 CAS No.127852-28-2 Mol. F.C10H8F6O Mol. W.258.16 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant Impurity 16

CAT. No.A610041 CAS No.1651828-04-4 Mol. F.C27H24F7NO3 Mol. W.543.47 g/mol Stock Status Custom Synthesis
COA MSDS

Aprepitant Impurity 19

CAT. No.A610020 CAS No.200000-59-5 Mol. F.C20H18F7NO2.C7H8O3S Mol. W.609.55 g/mol Stock Status Instock
COA MSDS

Working Standards

Aprepitant

CAT. No.A610000 CAS No.170729-80-3 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Instock
COA MSDS

Aprepitant Form II

CAT. No.A610000B CAS No.170729-80-3 Mol. F.C23H21F7N4O3 Mol. W.534.43 g/mol Stock Status Custom Synthesis
COA MSDS

Isotope Labelled Compounds

Aprepitant D4

CAT. No.A610005 CAS No.1133387-60-6 Mol. F.C23H17D4F7N4O3 Mol. W.538.46 g/mol Stock Status Instock
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
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