Impurity Reference Standard - Products

Imipenem Monohydrate

CAT No: CL-IPN-01 CAS No: 74431-23-5 Mol Wt: 299.3 : 18.0 Mol F: C12H17N3O4S : H2O Inv Status: Custom Synthesis

Chemical Name: (5R,6S)-6-[(R)-1-Hydroxyethyl]-3-[[2-[(iminomethyl)amino]ethyl]sulfanyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monohydrate ; (5R,6S)-3-[[2-(Formimidoylamino)ethyl]thio]-6-[(R)-1- hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monohydrate (as per USP)

Imipenem EP Impurity A

CAT No: CL-IPN-02 CAS No: 59995-64-1 Mol Wt: 272.3 Mol F: C11H16N2O4S Inv Status: Custom Synthesis

Chemical Name: (5R,6S)-3-[(2-Aminoethyl)sulfanyl]-6-[(R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene- 2-carboxylic acid

Imipenem EP Impurity B

CAT No: CL-IPN-03 CAS No: 1197869-90-1 Mol Wt: 317.4 Mol F: C12H19N3O5S Inv Status: Custom Synthesis

Chemical Name: (2R,4RS)-2-[(1S,2R)-1-Carboxy-2-hydroxypropyl]-4-[[2-[(iminomethyl)amino]ethyl]sulfanyl]-3,4-dihydro-2H-pyrrole-5-carboxylic acid

Imipenem Impurity 1

CAT No: CL-IPN-04 CAS No: 81275-02-7 Mol Wt: 287.4 Mol F: C13H25NO4Si Inv Status: Custom Synthesis

Chemical Name: (2S,3S)-3-((S)-1-((Tert-butyldimethylsilyl)oxy)ethyl)-4-oxoazetidin-2-yl acetate

Imipenem Impurity 2

CAT No: CL-IPN-05 CAS No: NA Mol Wt: 554.6 Mol F: C23H30N4O8S2 Inv Status: Custom Synthesis

Chemical Name: (5R,6S)-3-((2-(((E)-((2-(((5R,6S)-2-Carboxy-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl)thio)ethyl)amino)methylene)amino)ethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Imipenem Impurity 3

CAT No: CL-IPN-06 CAS No: 93788-47-7 Mol Wt: 335.4 Mol F: C14H17N3O5Si Inv Status: Custom Synthesis

Chemical Name: 4-Nitrobenzyl 2-diazo-3-((trimethylsilyl)oxy)but-3-enoate

Imipenem Impurity 4

CAT No: CL-IPN-07 CAS No: 74288-39-4 Mol Wt: 376.3 Mol F: C16H16N4O7 Inv Status: Custom Synthesis

Chemical Name: 4-Nitrobenzyl 2-diazo-4-((2R,3S)-3-((R)-1-hydroxyethyl)-4-oxoazetidin-2-yl)-3-oxobutanoate

Imipenem Impurity 5

CAT No: CL-IPN-08 CAS No: NA Mol Wt: 366.3 Mol F: C16H18N2O8 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-3-Hydroxy-2-((2R)-5-(((4-nitrobenzyl)oxy)carbonyl)-4-oxopyrrolidin-2-yl)butanoic acid

Imipenem Impurity 6

CAT No: CL-IPN-09 CAS No: NA Mol Wt: 598.7 Mol F: C24H34N6O8S2 Inv Status: Custom Synthesis

Chemical Name: (R)-3-((2-formimidamidoethyl)thio)-5-((2S,3R)-1-(((5R,6S)-3-((2-formimidamidoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carbonyl)oxy)-3-hydroxy-1-oxobutan-2-yl)-4,5-dihydro-1H-pyrrole-2-carboxylic acid

Imipenem Impurity 7

CAT No: CL-IPN-10 CAS No: NA Mol Wt: 598.7 Mol F: C24H34N6O8S2 Inv Status: Custom Synthesis

Chemical Name: (2S,2'S,3R,3'R)-2,2'-((3R,8R)-1,6-bis((2-formimidamidoethyl)thio)-5,10-dioxo-2,7,8,10-tetrahydro-3H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazine-3,8-diyl)bis(3-hydroxybutanoic acid)

Imipenem Impurity 8

CAT No: CL-IPN-11 CAS No: NA Mol Wt: 598.7 Mol F: C24H34N6O8S2 Inv Status: Custom Synthesis

Chemical Name: (R)-5-((1S,2R)-1-carboxy-2-hydroxypropyl)-3-((2-formimidamidoethyl)thio)-1-((5R,6S)-3-((2-formimidamidoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carbonyl)-4,5-dihydro-1H-pyrrole-2-carboxylic acid

Imipenem

CAT No: CL-IPN-12 CAS No: 64221-86-9 Mol Wt: 299.3 Mol F: C12H17N3O4S Inv Status: Custom Synthesis

Chemical Name: (5R,6S)-3-((2-formimidamidoethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Type:Impurity Reference Standard

API NAME:Imipenem

Total Products: 12

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