Impurity Reference Standard - Products

In Stock
Justification
Custom Synthesis

Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Fosaprepitant and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Fosaprepitant impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Fosaprepitant-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Fosaprepitant

CAT No: CL-FSPP-01 CAS No: 172673-20-0 Mol Wt: 614.4 Mol F: C23H22F7N4O6P Inv Status: Custom Synthesis

Chemical Name: (3-(((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid

Dibenzyl Phosphate Impurity

CAT No: CL-FSPP-02 CAS No: 1623-08-1 Mol Wt: 278.8 Mol F: C14H15O4P Inv Status: Custom Synthesis

Chemical Name: Dibenzyl hydrogen phosphate

Fosaprepitant Benzyl Ester

CAT No: CL-FSPP-03 CAS No: 889852-02-2 Mol Wt: 704.5 Mol F: C30H28F7N4O6P Inv Status: Custom Synthesis

Chemical Name: Benzyl hydrogen (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate

Fosaprepitant Diastereomer Impurity

CAT No: CL-FSPP-04 CAS No: 1523569-90-5 Mol Wt: 614.4 : 1/2(195.2) Mol F: C23H22F7N4O6P : 1/2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2R,3R)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate

Fosaprepitant Dibenzyl Ester Impurity

CAT No: CL-FSPP-05 CAS No: 265121-01-5 Mol Wt: 794.7 Mol F: C37H34F7N4O6P Inv Status: Custom Synthesis

Chemical Name: Dibenzyl (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate

Fosaprepitant Dimeglumine

CAT No: CL-FSPP-06 CAS No: 265121-04-8 Mol Wt: 614.4 : 2(195.2) Mol F: C23H22F7N4O6P : 2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol hemi((3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate)

Fosaprepitant Dimeglumine Impurity D

CAT No: CL-FSPP-07 CAS No: NA Mol Wt: 614.4 : 2(195.2) Mol F: C23H22F7N4O6P : 2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol hemi((3-(((2R,3S)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate)

Fosaprepitant Dimeglumine Impurity F

CAT No: CL-FSPP-08 CAS No: 2035475-11-5 Mol Wt: 704.5 : 2(195.2) Mol F: C30H28F7N4O6P : 2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (4-benzyl-3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid Dimeglumine salt

Fosaprepitant Impurity 13

CAT No: CL-FSPP-09 CAS No: NA Mol Wt: 700.6 : 195.2 Mol F: C31H31F6N4O6P : C7H17NO5 Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (4-benzyl-3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(p-tolyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate

Fosaprepitant Impurity 14

CAT No: CL-FSPP-10 CAS No: 990-91-0 Mol Wt: 538.5 Mol F: C28H28O7P2 Inv Status: In Stock

Chemical Name: Tetrabenzyl diphosphate

Fosaprepitant Impurity 4

CAT No: CL-FSPP-11 CAS No: NA Mol Wt: 614.4 : 2(195.2) Mol F: C23H22F7N4O6P : 2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3S)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate(2:1)

Fosaprepitant Impurity 5

CAT No: CL-FSPP-12 CAS No: NA Mol Wt: 614.4 : 1/2(195.2) Mol F: C23H22F7N4O6P : 1/2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol (3-(((2R,3R)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate(2:1)

Fosaprepitant Impurity 6

CAT No: CL-FSPP-13 CAS No: NA Mol Wt: 614.4 : 1/2(195.2) Mol F: C23H22F7N4O6P : 1/2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate(2:1)

Fosaprepitant Impurity 7

CAT No: CL-FSPP-14 CAS No: 1523569-87-0 Mol Wt: 614.4 : 2(195.2) Mol F: C23H22F7N4O6P : 2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol (3-(((2S,3R)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate (2:1)

Fosaprepitant Impurity A

CAT No: CL-FSPP-15 CAS No: 170902-81-5 Mol Wt: 534.4 Mol F: C23H21F7N4O3 Inv Status: Custom Synthesis

Chemical Name: 5-(((R)-2-(2-((S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-4-fluorophenyl)morpholino)methyl)-1,2-dihydro-3H-1,2,4-triazol-3-one

Fosaprepitant Impurity B

CAT No: CL-FSPP-16 CAS No: 219821-37-1 Mol Wt: 566.5 Mol F: C24H25F7N4O4 Inv Status: Custom Synthesis

Chemical Name: [E] Methyl 2-(2-((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)-1-iminoethyl)hydrazine-1-carboxylate

Fosaprepitant Impurity C

CAT No: CL-FSPP-17 CAS No: 170729-80-3 Mol Wt: 534.4 Mol F: C23H21F7N4O3 Inv Status: Custom Synthesis

Chemical Name: 5-(((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

Fosaprepitant Meglumine Impurity E

CAT No: CL-FSPP-18 CAS No: NA Mol Wt: 596.4 : 195.2 Mol F: C23H23F6N4O6P : C7H17NO5 Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-phenylmorpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate

Fosaprepitant Morpholin Impurity

CAT No: CL-FSPP-19 CAS No: 1242175-41-2 Mol Wt: 437.4 : 90.0 Mol F: C20H18F7NO2 : C2H2O4 Inv Status: Custom Synthesis

Chemical Name: (2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine oxalate

Fosaprepitant Impurity 1

CAT No: CL-FSPP-20 CAS No: 1185503-00-7 Mol Wt: 614.4 Mol F: C23H22F7N4O6P Inv Status: Custom Synthesis

Chemical Name: (3-(((2S,3R)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid

Fosaprepitant Enantiomer

CAT No: CL-FSPP-21 CAS No: 1523569-86-9 Mol Wt: 614.4 Mol F: C23H22F7N4O6P Inv Status: Custom Synthesis

Chemical Name: (3-(((2S,3R)-2-((S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid

Fosaprepitant Ester Impurity

CAT No: CL-FSPP-22 CAS No: 1803189-49-2 Mol Wt: 566.5 Mol F: C24H25F7N4O4 Inv Status: Custom Synthesis

Chemical Name: Methyl (Z)-2-(1-amino-2-((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)ethylidene)hydrazine-1-carboxylate

Fosaprepitant Impurity 10

CAT No: CL-FSPP-23 CAS No: 172673-19-7 Mol Wt: 614.4 Mol F: C23H22F7N4O6P Inv Status: Custom Synthesis

Chemical Name: (3-(((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)phosphonic acid

Fosaprepitant Impurity 11

CAT No: CL-FSPP-24 CAS No: 2377328-01-1 Mol Wt: 527.5 Mol F: C27H24F7NO2 Inv Status: Custom Synthesis

Chemical Name: (2R,3S)-4-Benzyl-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine

Fosaprepitant Impurity 12

CAT No: CL-FSPP-25 CAS No: 327623-36-9 Mol Wt: 447.4 Mol F: C21H19F6NO3 Inv Status: Custom Synthesis

Chemical Name: (S)-4-Benzyl-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)morpholin-3-one

Fosaprepitant Impurity 15

CAT No: CL-FSPP-26 CAS No: NA Mol Wt: 874.6 Mol F: C37H35F7N4O9P2 Inv Status: Custom Synthesis

Chemical Name: Dibenzyl (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-1H-1,2,4-triazole-1,4(5H)-diyl)bis(hydrogen phosphonate)

Fosaprepitant Impurity 16

CAT No: CL-FSPP-27 CAS No: NA Mol Wt: 630.4 : 195.2 Mol F: C23H22F7N4O7P : C7H17NO5 Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(methylamino)hexane-1,2,3,4,5-pentaol 3-(((2S,3R)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazol-1-yl phosphate

Fosaprepitant Impurity 17

CAT No: CL-FSPP-28 CAS No: NA Mol Wt: 520.4 Mol F: C22H19F7N4O3 Inv Status: Custom Synthesis

Chemical Name: 5-((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)-1,2-dihydro-3H-1,2,4-triazol-3-one

Fosaprepitant Impurity 18

CAT No: CL-FSPP-29 CAS No: 1254261-32-9 Mol Wt: 522.5 Mol F: C28H28O6P2 Inv Status: Custom Synthesis

Chemical Name: Tetrabenzyl hypodiphosphate

Fosaprepitant Impurity 19

CAT No: CL-FSPP-30 CAS No: NA Mol Wt: 720.5 Mol F: C30H28F7N4O7P Inv Status: Custom Synthesis

Chemical Name: Benzyl (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl) hydrogen phosphate

Fosaprepitant Impurity 20

CAT No: CL-FSPP-31 CAS No: NA Mol Wt: 630.4 Mol F: C23H22F7N4O7P Inv Status: Custom Synthesis

Chemical Name: (2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)-4-((5-oxo-1-phosphono-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl)morpholine 4-oxide

Fosaprepitant Impurity 2

CAT No: CL-FSPP-32 CAS No: NA Mol Wt: 614.4 : 1/2(195.2) Mol F: C23H22F7N4O6P : 1/2(C7H17NO5) Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-6-(Methylamino)hexane-1,2,3,4,5-pentaol (3-(((2R,3S)-2-((S)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonate(2:1)

Fosaprepitant Phosphoryl Impurity

CAT No: CL-FSPP-33 CAS No: NA Mol Wt: 694.4 Mol F: C23H23F7N4O9P2 Inv Status: Custom Synthesis

Chemical Name: (3-(((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-2,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic phosphoric anhydride

Fosaprepitant Potassium salt

CAT No: CL-FSPP-34 CAS No: 172822-03-6 Mol Wt: 614.4 : 2(39.1) Mol F: C23H22F7N4O6P : 2(K) Inv Status: Custom Synthesis

Chemical Name: (3-(((2R,3S)-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid Potassium salt

Fosaprepitant D4

CAT No: CL-FSPP-35 CAS No: NA Mol Wt: 618.4 Mol F: C23H18D4F7N4O6P Inv Status: Custom Synthesis

Chemical Name: (3-(((2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl-2,3,5,6-d4)morpholino)methyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)phosphonic acid

Type:Impurity Reference Standard

Total Products: 35

Inv. Status:

Fosaprepitant Related Products

Products

Popular Links

Address(India):

Address(Bangladesh):

Subscribe for news letter:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name: