A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z    
Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Aprepitant, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Aprepitant impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Aprepitant-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Aprepitant Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[13C6]-Aprepitant Stable Isotopes CS-EK-01190 170729-80-3 unlabeled Enquire
[13C6]-Fosaprepitant Stable Isotopes CS-EK-01741 172673-20-0 unlabeled Enquire
4-Defluoro-4-(p-fluorophenyl)aprepitant-13C, 15N2 Stable Isotopes CS-T-97655 Not Available Enquire
Aprepitant Benzyl Intermediate-d4 Stable Isotopes CS-O-49156 2377328-01-1 (Unlabelled) In Stock
Aprepitant Intermediate-d4 Stable Isotopes CS-O-49157 171338-27-5 (Unlabelled) In Stock
Aprepitant-13C2,d2 (Major) Stable Isotopes CS-T-66214 1217676-37-3 Enquire
Aprepitant-d4 Stable Isotopes CS-O-06411 1133387-60-6 In Stock
Fosaprepitant D4 Stable Isotopes CS-O-03674 172673-20-0 (Unlabeled) Enquire
Fosaprepitant dimeglumine 13C6 Stable Isotopes CS-EK-01820 265121-04-8 unlabeled Enquire
Fosaprepitant-13C,15N3 Dimeglumine Stable Isotopes CS-T-97493 Not Available Enquire
Fosaprepitant-d4 Dimeglumine Stable Isotopes CS-O-06636 265121-04-8(Unlabeled) In Stock
rac-Aprepitant-D4 Stable Isotopes CS-SN-00003 2748471-42-1 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Aprepitant API Standards CS-O-11601 170729-80-3 In Stock
Fosaprepitant API Standards CS-T-24784 172673-20-0 In Stock
Fosaprepitant Dimeglumine API Standards CS-O-30923 265121-04-8 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Aprepitant M2 Metabolite (1R, 2R, 3R)-Isomer Metabolites CS-EO-03325 380499-06-9 Enquire
Aprepitant M2 Metabolite (1R, 2S, 3S)-Isomer Metabolites CS-EO-03326 170902-80-4 Enquire
Aprepitant N-Oxide Metabolites CS-O-15660 172673-23-3 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"Des-1,2,4-triazol-3-one-5-methyl (2S,3R,1’R)-Aprepitant" Impurities CS-T-88323 1185503-48-3 Enquire
(1S,2R,3S)-Aprepitant Impurities CS-P-07152 170902-81-5 Enquire
1R,2R,2R Aprepitant Impurities CS-T-04043 1148113-53-4 Enquire
1R,2S,3R Aprepitant Impurities CS-O-13151 1185502-97-9 Enquire
1R,2S,3S Aprepitant Impurities CS-O-13149 172822-28-5 Enquire
1S,2R,3R Aprepitant Impurities CS-O-13148 1242175-34-3 Enquire
1S,2R,3S Aprepitant Impurities CS-O-13152 170901-81-5 Enquire
1S,2S,3R-Aprepitant Impurities CS-T-04044 172822-29-6 In Stock
1S,2S,3S Aprepitant Impurities CS-O-13150 1242175-40-1 Enquire
5-({[(1R)-1-(4-fluorophenyl)-2-hydroxyethyl]amino}methyl)-2,... Impurities CS-O-47245 Not Available Enquire
Aprepitant EP Impurity A Impurities CS-T-14763 170729-76-7 Enquire
Aprepitant EP Impurity B Impurities CS-P-00645 2348441-62-1 Enquire
Aprepitant EP Impurity C Impurities CS-EO-00264 2348441-63-2 Enquire
Aprepitant Impurity 1 Hydrochloride Impurities CS-P-07153 327623-37-0 (free base) Enquire
Aprepitant Impurity 13 Impurities CS-O-37096 2206135-44-4 Enquire
Aprepitant Impurity 14 Impurities CS-P-08704 2204442-75-9 Enquire
Aprepitant Impurity 15 Impurities CS-T-95910 1447693-83-5 Enquire
Aprepitant Impurity 15 Impurities CS-P-08705 Not Available Enquire
Aprepitant Impurity 2 Impurities CS-P-00644 Not Available Enquire
Aprepitant Impurity 4 Impurities CS-P-08701 1333998-21-2 Enquire
Aprepitant Impurity 68 Impurities CS-O-60244 Not Available Enquire
Aprepitant Impurity 7 Impurities CS-P-08702 874460-46-5 Enquire
Aprepitant Impurity 8 Impurities CS-P-08703 1333998-27-8 Enquire
Aprepitant Impurity 9 Impurities CS-P-07155 219821-37-1 Enquire
Aprepitant Impurity 95 Impurities CS-O-60242 134542-35-1 Enquire
Aprepitant Impurity 96 Impurities CS-O-60243 885955-61-3 Enquire
Aprepitant Impurity B Enantiomer Hydrochloride Impurities CS-P-07154 183901-47-5 Enquire
Aprepitant M3 Metabolite (1R, 5S, 6R)-Isomer Impurities CS-EO-03052 419574-04-2 Enquire
Des-1,2,4-triazol-3-one-5-methyl (2S,3R,1’S)-Aprepitant Impurities CS-T-88653 327623-37-0 Enquire
Desfluoro Fosaprepitant Impurities CS-O-14055 Not Available Enquire
Fosaprepitant Benzyl Ester Impurities CS-P-08003 889852-02-2 Enquire
Fosaprepitant Diastereomer Impurities CS-O-36242 1523569-90-5 Enquire
Fosaprepitant Dibenzyl Ester Impurities CS-T-76464 265121-01-5 Enquire
Fosaprepitant Dimeglumine Desfluoro impurity Impurities CS-O-36244 Not Available Enquire
Fosaprepitant dimeglumine Diastereomer Impurity Impurities CS-O-34114 Not Available Enquire
Fosaprepitant Dimeglumine Impurity D Impurities CS-O-32650 Not Available Enquire
Fosaprepitant Dimeglumine Impurity E Impurities CS-O-32651 Not Available Enquire
Fosaprepitant Dimeglumine Impurity F Impurities CS-EO-00495 2035475-10-4 Enquire
Fosaprepitant Dimeglumine Impurity F (Dimeglumine salt) Impurities CS-EO-04064 2035475-11-5 Enquire
Fosaprepitant Dimeglumine isomer(2S,3R) Impurities CS-O-36243 1523569-87-0 Enquire
Fosaprepitant dimeglumine stereochemical purity standard Impurities CS-O-35350 Not Available Enquire
Fosaprepitant Enantiomer Impurities CS-EO-00570 1523569-86-9 Enquire
Fosaprepitant Impurity 1 Impurities CS-EO-02756 1185503-00-7 Enquire
Fosaprepitant Impurity 4 Impurities CS-EO-00569 Not Available Enquire
Fosaprepitant Impurity 6 Impurities CS-EO-00571 172822-01-4 Enquire
Fosaprepitant Impurity F Impurities CS-O-35351 Not Available Enquire
Fosaprepitant Morpholin Impurity Impurities CS-EO-03578 1242175-41-2 Enquire
Fosaprepitant N-oxide Impurities CS-T-93417 Not Available Enquire
Fosaprepitant(1S,2R,3S)isomer Impurities CS-O-45670 Not Available Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Aprepitant (Y0001825) EP Standards CS-EG-00529 170729-80-3 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Aprepitant glucuronide Glucuronides CS-T-102309 Not Available Enquire