Oseltamivir Impurities and its Related Products
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Oseltamivir, also known as Tamiflu, is an antiviral medication used to treat and prevent influenza. Like all pharmaceuticals, it may contain impurities, which are substances that are not intended to be present in the product. Oseltamivir impurities can include degradation products, residual solvents, and other impurities that may affect the efficacy and safety of the medication. The presence and level of impurities in Oseltamivir are closely monitored and regulated by various health authorities to ensure the quality and safety of the medication.
![(1R,5S,6R)-Ethyl 5-(Pentan-3-yloxy)-7- oxabicyclo[4.1.0]hept-3-ene-3- carboxylate](https://clearsynth.com/structure/-1R-5S-6R--Ethyl-5--Pentan-3-yloxy--7--oxabicyclo-4-1-0-hept-3-ene-3--carboxylate.png "Oseltamivir Impurities")
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(1R,5S,6R)-Ethyl 5-(Pentan-3-yloxy)-7- oxabicyclo[4.1.0]hept-3-ene-3- carboxylate
| CAT No. | : CS-O-37422 |
| Mol F. | : C14H22O4 |
| Mol W. | : 254.32 g/mol |
| Cas No. | : 2413185-89-2 |
| Stock | : Enquire |
![(1S,5S,6S)-5-(1-Ethyl-propoxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester](https://clearsynth.com/structure/-1S-5S-6S--5--1-Ethyl-propoxy--7-oxa-bicyclo-4-1-0-hept-3-ene-3-carboxylic-acid-ethyl-ester.png "Oseltamivir Impurities")
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(1S,5S,6S)-5-(1-Ethyl-propoxy)-7-oxa-bicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester
| CAT No. | : CS-O-35866 |
| Mol F. | : C14H22O4- |
| Mol W. | : 254.32 g/mol |
| Cas No. | : 2413185-88-1 |
| Stock | : Enquire |
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(3R,4R,5R)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester
| CAT No. | : CS-O-35872 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : 312.4 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4R,5R)-ethyl 4-(tert-butylamino)-5- (diallylamino)-3-(pentan-3- yloxy)cyclohex-1-enecarboxylate
| CAT No. | : CS-O-37426 |
| Mol F. | : C24H42N2O3 |
| Mol W. | : 406.60 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4R,5S)-ethyl 4-(tert-butylamino)-5- (diallylamino)-3-hydroxycyclohex-1- enecarboxylate
| CAT No. | : CS-O-37427 |
| Mol F. | : C19H32N2O3 |
| Mol W. | : 336.47 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4R,5S)-ethyl 4-(tert-butylamino)-5- hydroxy-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate
| CAT No. | : CS-O-37423 |
| Mol F. | : C18H33NO4 |
| Mol W. | : 327.46 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4R,5S)-ethyl 4-amino-5- (diallylamino)-3-(pentan-3- yloxy)cyclohex-1-enecarboxylate
| CAT No. | : CS-O-37428 |
| Mol F. | : C20H34N2O3 |
| Mol W. | : 350.50 g/mol |
| Cas No. | : 1055035-67-0 |
| Stock | : Enquire |
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(3R,4S,5R)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester
| CAT No. | : CS-O-35869 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : C16H28N2O4 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4S,5R)-ethyl 5-(tert-butylamino)-4- (diallylamino)-3-(pentan-3- yloxy)cyclohex-1-enecarboxylate
| CAT No. | : CS-O-37425 |
| Mol F. | : C24H42N2O3 |
| Mol W. | : 406.60 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4S,5S)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester
| CAT No. | : CS-O-35871 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : 312.4 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3R,4S,5S)-ethyl 5-(tert-butylamino)-4- hydroxy-3-(pentan-3-yloxy)cyclohex-1- enecarboxylate
| CAT No. | : CS-O-37424 |
| Mol F. | : C18H33NO4 |
| Mol W. | : 327.46 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3S,4R,5R)-ethyl 4-acetamido-5-amino-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate phosphate
| CAT No. | : CS-O-37431 |
| Mol F. | : C16H31N2O8P |
| Mol W. | : 410.40 g/mol |
| Cas No. | : 1240096-71-2 |
| Stock | : Enquire |
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(3S,4R,5S)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester
| CAT No. | : CS-O-35870 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : 312.4 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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(3S,4S,5R)-4-Acetylamino-5-amino-3-(1-ethyl-propoxy)-cyclohex-1-enecarboxylic acid ethyl ester
| CAT No. | : CS-O-35868 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : 312.40 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
OSELTAMIVIR IMPURITIES, IMPURITIES
3-Des(1-ethylpropoxy)-3-(1-methylpropoxy) Oseltamivir
| CAT No. | : CS-T-52139 |
| Mol F. | : Not Available |
| Mol W. | : Not Available |
| Cas No. | : 1052063-37-2 |
| Stock | : Enquire |
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4-N-Desacetyl-5-N-acetyl Oseltamivir
| CAT No. | : CS-T-15604 |
| Mol F. | : C₁₆H₂₈N₂O₄ |
| Mol W. | : 312.40 g/mol |
| Cas No. | : 956267-10-0 |
| Stock | : IN-Stock |
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Acetamido azidesulfonamide
| CAT No. | : CS-O-46176 |
| Mol F. | : C17H31N5O6S |
| Mol W. | : 433.52 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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ent-Oseltamivir Phosphate
| CAT No. | : CS-T-38121 |
| Mol F. | : Not Available |
| Mol W. | : Not Available |
| Cas No. | : 1035895-89-6 |
| Stock | : Enquire |
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Ethyl (3S, 4S, 5S)-4-acetamido-5-amino-3-(1- ethyl propoxy) cyclohex-1-ene-1-carboxylate
| CAT No. | : CS-O-35947 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : 312.40 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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ethyl 4-(pentan-3-yloxy)benzoate
| CAT No. | : CS-O-37429 |
| Mol F. | : C14H20O3 |
| Mol W. | : 236.31 g/mol |
| Cas No. | : 1508446-15-8 |
| Stock | : Enquire |
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N-Nitroso Oseltamivir impurity
| CAT No. | : CS-O-42888 |
| Mol F. | : C₁₄H₂₂N₂O₄ |
| Mol W. | : 282.34 g/mol |
| Cas No. | : Not Available |
| Stock | : IN-Stock |
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Oseltamivir Acid Methyl Ester
| CAT No. | : CS-T-38115 |
| Mol F. | : C₁₅H₂₆N₂O₄ |
| Mol W. | : 298.38 g/mol |
| Cas No. | : 208720-71-2 |
| Stock | : IN-Stock |
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Oseltamivir Acid Methyl Ester Phosphate Salt
| CAT No. | : CS-T-93755 |
| Mol F. | : C15H29N2O8P |
| Mol W. | : 396.37 g/mol |
| Cas No. | : 208720-71-2 (free base) |
| Stock | : Enquire |
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OSELTAMIVIR CITRIC ACID ADDUCT
| CAT No. | : CS-T-93528 |
| Mol F. | : C22H34N2O10 |
| Mol W. | : 486.5 g/mol |
| Cas No. | : Not Available |
| Stock | : IN-Stock |
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OSELTAMIVIR CITRIC ACID ADDUCT 2
| CAT No. | : CS-O-34386 |
| Mol F. | : C₂₂H₃₂N₂O₉ |
| Mol W. | : 468.50 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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OSELTAMIVIR CITRIC ACID ADDUCT II
| CAT No. | : CS-O-45307 |
| Mol F. | : C22H34N2O10 |
| Mol W. | : 486.51 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir diallyl amine impurity
| CAT No. | : CS-EO-03275 |
| Mol F. | : C22H36N2O4 |
| Mol W. | : 392.54 g/mol |
| Cas No. | : 651324-09-3 |
| Stock | : Enquire |
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Oseltamivir EP Imp R
| CAT No. | : CS-O-43413 |
| Mol F. | : C14H23ClO4 |
| Mol W. | : 290.78 g/mol |
| Cas No. | : 2762080-42-0 |
| Stock | : Enquire |
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Oseltamivir EP Imp U
| CAT No. | : CS-O-43414 |
| Mol F. | : C15H25ClO6S |
| Mol W. | : 368.87 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir EP Impurity B
| CAT No. | : CS-EO-00348 |
| Mol F. | : C16H29N5O4 |
| Mol W. | : 355.43 mol/g g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir EP Impurity E HCl
| CAT No. | : CS-RS-00112 |
| Mol F. | : Not Available |
| Mol W. | : Not Available |
| Cas No. | : 208720-78-9 |
| Stock | : Enquire |
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Oseltamivir Fructose adduct-1
| CAT No. | : CS-EO-00096 |
| Mol F. | : C22H38N2O9 |
| Mol W. | : 474.55 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Fructose adduct-2
| CAT No. | : CS-EO-00097 |
| Mol F. | : C22H38N2O9 |
| Mol W. | : 474.55 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir glucose adduct-2
| CAT No. | : CS-EO-00095 |
| Mol F. | : C20H32N2O8 |
| Mol W. | : 428.48 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Impurity 14
| CAT No. | : CS-EO-01347 |
| Mol F. | : C18H31NO3 |
| Mol W. | : 309.5 g/mol |
| Cas No. | : 2417645-75-9 |
| Stock | : Enquire |
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Oseltamivir Impurity 15
| CAT No. | : CS-EO-01348 |
| Mol F. | : C24H42N2O3 |
| Mol W. | : 406.6 g/mol |
| Cas No. | : 651324-06-0 |
| Stock | : Enquire |
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Oseltamivir Impurity 15
| CAT No. | : CS-P-08717 |
| Mol F. | : C14H26N2O3 |
| Mol W. | : 270.37 g/mol |
| Cas No. | : Not Available |
| Stock | : IN-Stock |
OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 19
| CAT No. | : CS-P-08719 |
| Mol F. | : C7H12N2O3 |
| Mol W. | : 172.18 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Impurity 24
| CAT No. | : CS-P-08718 |
| Mol F. | : C18H31NO3 |
| Mol W. | : 309.45 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Impurity 25
| CAT No. | : CS-P-08716 |
| Mol F. | : C16H27NO3 |
| Mol W. | : 281.40 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Impurity 28
| CAT No. | : CS-EO-01749 |
| Mol F. | : C16H28N2O4 |
| Mol W. | : 312.4 g/mol |
| Cas No. | : 2413185-95-0 |
| Stock | : Enquire |
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Oseltamivir Impurity 41
| CAT No. | : CS-EO-02184 |
| Mol F. | : C16H27N7O4 |
| Mol W. | : 381.4 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Impurity 48
| CAT No. | : CS-EO-02782 |
| Mol F. | : C14H23N3O4 |
| Mol W. | : 297.4 g/mol |
| Cas No. | : 204254-98-8 |
| Stock | : Enquire |
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Oseltamivir Impurity 52
| CAT No. | : CS-EO-02783 |
| Mol F. | : C15H25N3O6S |
| Mol W. | : 375.4 g/mol |
| Cas No. | : 1216260-26-2 |
| Stock | : Enquire |
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Oseltamivir Impurity 6
| CAT No. | : CS-EO-01346 |
| Mol F. | : C18H33NO4 |
| Mol W. | : 327.5 g/mol |
| Cas No. | : 651324-04-8 |
| Stock | : Enquire |
OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Impurity 7
| CAT No. | : CS-EO-00098 |
| Mol F. | : C22H32N2O6 |
| Mol W. | : 420.50 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Impurity 8
| CAT No. | : CS-P-08195 |
| Mol F. | : C22H38N2O9 |
| Mol W. | : 474.55 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir impurity A
| CAT No. | : CS-O-15800 |
| Mol F. | : C₁₄H₂₄N₂O₄ |
| Mol W. | : 284.35 g/mol |
| Cas No. | : 1364932-19-3 |
| Stock | : Enquire |
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Oseltamivir Nitroso Impurity 1
| CAT No. | : CS-EO-02085 |
| Mol F. | : C₁₈H₃₂N₂O₅ |
| Mol W. | : 356.46 g/mol |
| Cas No. | : Not Available |
| Stock | : IN-Stock |
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Oseltamivir Nitroso Impurity 2
| CAT No. | : CS-EO-02086 |
| Mol F. | : C₂₄H₄₁N₃O₄ |
| Mol W. | : 435.6 g/mol |
| Cas No. | : Not Available |
| Stock | : IN-Stock |
OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir Phosphate Impurity B
| CAT No. | : CS-O-51159 |
| Mol F. | : C16H29N5O4 |
| Mol W. | : 355.43 g/mol |
| Cas No. | : 2413185-84-7 |
| Stock | : Enquire |
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Oseltamivir Pyrrole analog
| CAT No. | : CS-O-36190 |
| Mol F. | : C22H32N2O6 |
| Mol W. | : 420.50 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Related Compound A
| CAT No. | : CS-BX-00719 |
| Mol F. | : C16H29N5O4 |
| Mol W. | : 355.43 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Oseltamivir Related Compound B
| CAT No. | : CS-O-10377 |
| Mol F. | : C₁₁H₁₃NO₄ |
| Mol W. | : 223.23 g/mol |
| Cas No. | : 1346604-18-9 |
| Stock | : IN-Stock |
OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir RRR Isomer
| CAT No. | : CS-O-39386 |
| Mol F. | : C26H44N2O4 |
| Mol W. | : 448.6 g/mol |
| Cas No. | : 2413185-96-1 |
| Stock | : Enquire |
OSELTAMIVIR IMPURITIES, IMPURITIES
Oseltamivir-Glucose Adduct 1
| CAT No. | : CS-P-08172 |
| Mol F. | : C22H38N2O9 |
| Mol W. | : 474.55 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
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Rac- Oseltamivir hydroxymethyl furan
| CAT No. | : CS-O-52358 |
| Mol F. | : C22H32N2O6 |
| Mol W. | : 420.50 g/mol |
| Cas No. | : Not Available |
| Stock | : Enquire |
OSELTAMIVIR IMPURITIES, IMPURITIES
Rel 4-N-Desacetyl-5-N-acetyl Oseltamivir Acid
| CAT No. | : CS-T-73947 |
| Mol F. | : Not Available |
| Mol W. | : Not Available |
| Cas No. | : 1391047-93-0 |
| Stock | : Enquire |