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Pharmaceutical Reference Standards / Impurity Standards

Oseltamivir Hydrochloride

Oseltamivir Hydrochloride

CAT. No.O120000A
CAS. No.204255-09-4
Mol. F.C16H28N2O4.HCl
Mol. W.348.87 g/mol
Stock Status:Please Enquire

Oseltamivir

Oseltamivir

CAT. No.O120001
CAS. No.196618-13-0
Mol. F.C16H28N2O4
Mol. W.312.40 g/mol
Stock Status:Instock

Oseltamivir EP Impurity D

Oseltamivir EP Impurity D

CAT. No.O120003
CAS. No.1346604-18-9
Mol. F.C11N13NO4
Mol. W.223.23 g/mol
Stock Status:Instock

Oseltamivir EP Impurity G

Oseltamivir EP Impurity G

CAT. No.O120004
CAS. No.956267-10-0
Mol. F.C16H28N2O4
Mol. W.312.40 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity G (Trifluoroacetic Acid)

Oseltamivir EP Impurity G (Trifluoroacetic Acid)

CAT. No.O120004A
CAS. No.956267-10-0(Base)
Mol. F.C16H28N2O4.C2HF3O2
Mol. W.426.43 g/mol
Stock Status:Instock

Oseltamivir Carboxylic Acid

Oseltamivir Carboxylic Acid

CAT. No.O120005
CAS. No.187227-45-8
Mol. F.C14H24N2O4
Mol. W.284.35 g/mol
Stock Status:Instock

Oseltamivir USP Related Compound A

Oseltamivir USP Related Compound A

CAT. No.O120007
CAS. No.NA
Mol. F.C16H29N5O4
Mol. W.355.43 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity A

Oseltamivir EP Impurity A

CAT. No.O120009
CAS. No.1364932-19-3
Mol. F.C14H24N2O4
Mol. W.284.35 g/mol
Stock Status:Instock

Oseltamivir EP Impurity A Hydrochloride

Oseltamivir EP Impurity A Hydrochloride

CAT. No.O120009B
CAS. No.1364932-19-3(freebase)
Mol. F.C14H24N2O4.HCl
Mol. W.284.36 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity F

Oseltamivir EP Impurity F

CAT. No.O120010
CAS. No.1052063-37-2
Mol. F.C15H26N2O4
Mol. W.298.38 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity E Hydrochloride

Oseltamivir EP Impurity E Hydrochloride

CAT. No.O120011
CAS. No.208720-78-9
Mol. F.C15H26N2O4.HCl
Mol. W.334.84 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity B

Oseltamivir EP Impurity B

CAT. No.O120012
CAS. No.NA
Mol. F.C16H29N5O4
Mol. W.355.43 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity E

Oseltamivir EP Impurity E

CAT. No.O120014
CAS. No.208720-71-2
Mol. F.C15H26N2O4
Mol. W.298.38 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity H

Oseltamivir EP Impurity H

CAT. No.O120015
CAS. No.814-29-9
Mol. F.C12H27OP
Mol. W.218.32 g/mol
Stock Status:Instock

(1R,5S,6R)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester

(1R,5S,6R)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester

CAT. No.O120017
CAS. No.347378-74-9
Mol. F.C14H22O4
Mol. W.254.32 g/mol
Stock Status:Custom Synthesis

Oseltamivir Glucose Adduct-1

Oseltamivir Glucose Adduct-1

CAT. No.O120018
CAS. No.NA
Mol. F.C22H38N2O9
Mol. W.474.55 g/mol
Stock Status:Instock

Oseltamivir 5-Desamino 5-(2-Formyl 5-Hydroxymethylpyrrol-1-yl)

Oseltamivir 5-Desamino 5-(2-Formyl 5-Hydroxymethylpyrrol-1-yl)

CAT. No.O120019
CAS. No.2413185-87-0
Mol. F.C22H32N2O6
Mol. W.420.50 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity I

Oseltamivir Impurity I

CAT. No.O120020
CAS. No.NA
Mol. F.C16H28N2O4
Mol. W.312.40 g/mol
Stock Status:Custom Synthesis

Oseltamivir Acid Impurity

Oseltamivir Acid Impurity

CAT. No.O120022
CAS. No.1364932-19-3
Mol. F.C14H24N2O4
Mol. W.284.35 g/mol
Stock Status:Custom Synthesis

Oseltamivir Acid

Oseltamivir Acid

CAT. No.O120023
CAS. No.1364932-19-3
Mol. F.C14H24N2O4
Mol. W.284.35 g/mol
Stock Status:Custom Synthesis

5-Azido Oseltamivir Impurity

5-Azido Oseltamivir Impurity

CAT. No.O120024
CAS. No.204255-06-1
Mol. F.C16H26N4O4
Mol. W.338.40 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 22 Phosphate Salt

Oseltamivir Impurity 22 Phosphate Salt

CAT. No.O120025
CAS. No.NA
Mol. F.C14H27N2O8P
Mol. W.382.15 g/mol
Stock Status:Custom Synthesis

Oseltamivir Fructose Adduct 2

Oseltamivir Fructose Adduct 2

CAT. No.O120026
CAS. No.NA
Mol. F.C23H40N2O10
Mol. W.504.57 g/mol
Stock Status:Custom Synthesis

Oseltamivir Glucose Adduct-2

Oseltamivir Glucose Adduct-2

CAT. No.O120027
CAS. No.NA
Mol. F.C20H32N2O8
Mol. W.428.48 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity C

Oseltamivir EP Impurity C

CAT. No.O120028
CAS. No.187227-45-8
Mol. F.C14H24N2O4
Mol. W.284.35 g/mol
Stock Status:Custom Synthesis

(3R,4S,5R)-ethyl5-acetoxy-4-azido-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

(3R,4S,5R)-ethyl5-acetoxy-4-azido-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

CAT. No.O120029
CAS. No.NA
Mol. F.C16H25N3O5
Mol. W.339.39 g/mol
Stock Status:Custom Synthesis

4-(Acetylamino)-5-amino-3-isopropoxy-1-cyclohex-1-ene carboxylic Acid Ethyl Ester Phosphate

4-(Acetylamino)-5-amino-3-isopropoxy-1-cyclohex-1-ene carboxylic Acid Ethyl Ester Phosphate

CAT. No.O120030
CAS. No.NA
Mol. F.C14H27N2O8P
Mol. W.382.35 g/mol
Stock Status:Instock

Oseltamivir Impurity 4

Oseltamivir Impurity 4

CAT. No.O120031
CAS. No.NA
Mol. F.C22H32N2O6
Mol. W.420.50 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 4

Oseltamivir Impurity 4

CAT. No.O120032
CAS. No.2413185-87-0
Mol. F.C22H32N2O6
Mol. W.420.51 g/mol
Stock Status:Custom Synthesis

Ethyl 3,4-O-isopropylideneshikimate

Ethyl 3,4-O-isopropylideneshikimate

CAT. No.O120033
CAS. No.136994-78-0
Mol. F.C12H18O5
Mol. W.242.27 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 7

Oseltamivir Impurity 7

CAT. No.O120034
CAS. No.NA
Mol. F.C22H32N2O6
Mol. W.420.50 g/mol
Stock Status:Custom Synthesis

Oseltamivir Citric Acid Adduct 1

Oseltamivir Citric Acid Adduct 1

CAT. No.O120035
CAS. No.NA
Mol. F.C22H34N2O10
Mol. W.486.51 g/mol
Stock Status:Custom Synthesis

Ethyl(3R,4R,5S)-4-(Acetylamino)-5{[(5-formylfuran-2-yl)methyl]amino}-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate

Ethyl(3R,4R,5S)-4-(Acetylamino)-5{[(5-formylfuran-2-yl)methyl]amino}-3-(pentan-3-yloxy)cyclohex-1-ene-1-carboxylate

CAT. No.O120036
CAS. No.NA
Mol. F.C22H32N2O6
Mol. W.420.50 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 8

Oseltamivir Impurity 8

CAT. No.O120037
CAS. No.204254-96-6
Mol. F.C14H22O4
Mol. W.254.32 g/mol
Stock Status:Instock

5-Azido Oseltamivir

5-Azido Oseltamivir

CAT. No.O120038
CAS. No.204255-06-1
Mol. F.C16H26N4O4
Mol. W.338.40 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 9

Oseltamivir Impurity 9

CAT. No.O120040
CAS. No.NA
Mol. F.C22H32N2O6
Mol. W.420.51 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity F Hydrochloride

Oseltamivir EP Impurity F Hydrochloride

CAT. No.O120046
CAS. No.NA
Mol. F.C15H27N2O4Cl
Mol. W.334.84 g/mol
Stock Status:Limited Stock

Oseltamivir RSS Isomer

Oseltamivir RSS Isomer

CAT. No.O120047
CAS. No.2413185-97-2
Mol. F.C26H44N2O4
Mol. W.448.64 g/mol
Stock Status:Custom Synthesis

Oseltamivir RSR Isomer

Oseltamivir RSR Isomer

CAT. No.O120048
CAS. No.2413185-98-3
Mol. F.C26H44N2O4
Mol. W.448.64 g/mol
Stock Status:Custom Synthesis

Oseltamivir RRR Isomer

Oseltamivir RRR Isomer

CAT. No.O120049
CAS. No.2413185-96-1
Mol. F.C26H44N2O4
Mol. W.448.64 g/mol
Stock Status:Custom Synthesis

(3R,4R,5S)-Ethyl-4-acetamido-5-(2-formyl-5-(hydroxymethyl)-1H-pyrrol-1-yl)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

(3R,4R,5S)-Ethyl-4-acetamido-5-(2-formyl-5-(hydroxymethyl)-1H-pyrrol-1-yl)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

CAT. No.O120050
CAS. No.2413185-87-0
Mol. F.C22H32N2O6
Mol. W.420.50 g/mol
Stock Status:Instock

Oseltamivir EP Impurity E Phosphate Salt

Oseltamivir EP Impurity E Phosphate Salt

CAT. No.O120051
CAS. No.NA
Mol. F.C15H26N2O4P.H3PO4
Mol. W.396.37 g/mol
Stock Status:Custom Synthesis

Oseltamivir Citric Acid Adduct 2

Oseltamivir Citric Acid Adduct 2

CAT. No.O120054
CAS. No.NA
Mol. F.C22H34N2O10
Mol. W.486.50 g/mol
Stock Status:Custom Synthesis

Oseltamivir Citric Acid Adduct 1

Oseltamivir Citric Acid Adduct 1

CAT. No.O120055
CAS. No.NA
Mol. F.C22H34N2O10
Mol. W.486.51 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 15

Oseltamivir Impurity 15

CAT. No.O120056
CAS. No.651324-06-0
Mol. F.C24H42N2O3
Mol. W.406.60 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 22

Oseltamivir Impurity 22

CAT. No.O120057
CAS. No.1052063-36-1
Mol. F.C14H24N2O4
Mol. W.284.35 g/mol
Stock Status:Instock

N-nitroso Diallyl Amine

N-nitroso Diallyl Amine

CAT. No.O120058
CAS. No.16338-97-9
Mol. F.C6H10N2O
Mol. W.126.16 g/mol
Stock Status:Custom Synthesis

Oseltamivir EP Impurity C Hydrochloride

Oseltamivir EP Impurity C Hydrochloride

CAT. No.O120059
CAS. No.1415963-60-8
Mol. F.C14H25ClN2O4
Mol. W.320.81 g/mol
Stock Status:Custom Synthesis

Oseltamivir Nitroso Impurity 1

Oseltamivir Nitroso Impurity 1

CAT. No.O120060
CAS. No.NA
Mol. F.C18H32N2O5
Mol. W.356.46 g/mol
Stock Status:Custom Synthesis

Oseltamivir Nitroso Impurity 2

Oseltamivir Nitroso Impurity 2

CAT. No.O120061
CAS. No.NA
Mol. F.C24H41N3O4
Mol. W.435.60 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 37

Oseltamivir Impurity 37

CAT. No.O120062
CAS. No.NA
Mol. F.C22H37N3O4
Mol. W.407.55 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 39

Oseltamivir Impurity 39

CAT. No.O120063
CAS. No.NA
Mol. F.C16H28N4O4
Mol. W.340.42 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 11

Oseltamivir Impurity 11

CAT. No.O120064
CAS. No.1266663-89-1
Mol. F.C14H22O4
Mol. W.254.32 g/mol
Stock Status:Limited Stock

(3R,4S,5S)-3-(1-Ethylpropoxy)-4,5-dihydroxy-1-cyclohexene-1-carboxylic Acid Ethyl Ester

(3R,4S,5S)-3-(1-Ethylpropoxy)-4,5-dihydroxy-1-cyclohexene-1-carboxylic Acid Ethyl Ester

CAT. No.O120065
CAS. No.1201685-71-3
Mol. F.C14H24O5
Mol. W.272.34 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 46

Oseltamivir Impurity 46

CAT. No.O120066
CAS. No.NA
Mol. F.C13H20O4
Mol. W.240.30 g/mol
Stock Status:Limited Stock

Oseltamivir Impurity 34

Oseltamivir Impurity 34

CAT. No.O120067
CAS. No.204254-92-2
Mol. F.C15H26O7S
Mol. W.350.43 g/mol
Stock Status:Limited Stock

Oseltamivir Glucose Adduct Impurity

Oseltamivir Glucose Adduct Impurity

CAT. No.O120068
CAS. No.NA
Mol. F.C22H38N2O9
Mol. W.474.55 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 49

Oseltamivir Impurity 49

CAT. No.O120070
CAS. No.204255-02-7
Mol. F.C14H23NO3
Mol. W.253.34 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 12

Oseltamivir Impurity 12

CAT. No.O120071
CAS. No.2413185-89-2
Mol. F.C14H22O4
Mol. W.254.32 g/mol
Stock Status:Custom Synthesis

ethyl (1S,5R,6R)-5-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate

ethyl (1S,5R,6R)-5-hydroxy-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate

CAT. No.O120072
CAS. No.876014-27-6
Mol. F.C9H12O4
Mol. W.184.19 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 6

Oseltamivir Impurity 6

CAT. No.O120073
CAS. No.651324-04-8
Mol. F.C18H33NO4
Mol. W.327.46 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 13

Oseltamivir Impurity 13

CAT. No.O120074
CAS. No.2413185-88-1
Mol. F.C14H22O4
Mol. W.254.32 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 48

Oseltamivir Impurity 48

CAT. No.O120075
CAS. No.204254-98-8
Mol. F.C14H23N3O4
Mol. W.297.35 g/mol
Stock Status:Instock

(1R,5R,6S)-ethyl5-(pentan-3-yloxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylate

(1R,5R,6S)-ethyl5-(pentan-3-yloxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylate

CAT. No.O120076
CAS. No.NA
Mol. F.C14H23NO3
Mol. W.253.34 g/mol
Stock Status:Custom Synthesis

(3R,4S,5R)-ethyl-4-amino-5-azido-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

(3R,4S,5R)-ethyl-4-amino-5-azido-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate

CAT. No.O120077
CAS. No.NA
Mol. F.C14H24N4O3
Mol. W.296.37 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 56

Oseltamivir Impurity 56

CAT. No.O120078
CAS. No.204254-94-4
Mol. F.C15H26O7S
Mol. W.350.43 g/mol
Stock Status:Custom Synthesis

Oseltamivir Impurity 57

Oseltamivir Impurity 57

CAT. No.O120079
CAS. No.NA
Mol. F.C15H24O4
Mol. W.268.35 g/mol
Stock Status:Custom Synthesis

Metabolites

N-Desacetyl 5-Azido Oseltamivir

N-Desacetyl 5-Azido Oseltamivir

CAT. No.O120069
CAS. No.204255-04-9
Mol. F.C14H24N4O3
Mol. W.296.37 g/mol
Stock Status:Please Enquire

Isotope Labelled Compounds

Oseltamivir-D3

Oseltamivir-D3

CAT. No.O120006
CAS. No.1093851-61-6
Mol. F.C16H25N2O4D3
Mol. W.315.42 g/mol
Stock Status:Please Enquire

Oseltamivir-D3 Carboxylic Acid

Oseltamivir-D3 Carboxylic Acid

CAT. No.O120008
CAS. No.NA
Mol. F.C14H21D3N2O4
Mol. W.287.37 g/mol
Stock Status:Instock

Oseltamivir-D5 Hydrochloride

Oseltamivir-D5 Hydrochloride

CAT. No.O120013
CAS. No.204255-09-4(Unlabelled)
Mol. F.C16H23D5N2O4.HCl
Mol. W.353.90 g/mol
Stock Status:Instock

Oseltamivir-D5 Phosphate

Oseltamivir-D5 Phosphate

CAT. No.O120016
CAS. No.NA
Mol. F.C16H26D5N2O8P
Mol. W.415.43 g/mol
Stock Status:Please Enquire

Oseltamivir Acid 13C D3

Oseltamivir Acid 13C D3

CAT. No.O120053
CAS. No.NA
Mol. F.C1313CH21D3N2O4
Mol. W.288.40 g/mol
Stock Status:Limited Stock