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Type:Impurity Reference Standard
API NAME:Entacapone
Total Products: 19
Inv. Status:

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Desethyl Entacapone
CAT No: CL-ETPN-01 CAS No: 150995-46-3 Mol Wt: 277.2 Mol F: C12H11N3O5 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-ethylacrylamide
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Entacapone EP Impurity A
CAT No: CL-ETPN-02 CAS No: 145195-63-7 Mol Wt: 305.3 Mol F: C14H15N3O5 Inv Status: Custom Synthesis
Chemical Name: (Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylacrylamide
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Entacapone EP Impurity B
CAT No: CL-ETPN-03 CAS No: 1215039-66-9 Mol Wt: 278.2 Mol F: C12H10N2O6 Inv Status: Custom Synthesis
Chemical Name: Ethyl (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylate
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Entacapone EP Impurity C
CAT No: CL-ETPN-04 CAS No: 116313-85-0 Mol Wt: 183.1 Mol F: C7H5NO5 Inv Status: Custom Synthesis
Chemical Name: 3,4-Dihydroxy-5-nitrobenzaldehyde
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Entacapone EP Impurity D
CAT No: CL-ETPN-05 CAS No: 857629-79-9 Mol Wt: 333.3 Mol F: C16H19N3O5 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylacrylamide
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Entacapone EP Impurity E
CAT No: CL-ETPN-06 CAS No: 7659-29-2 Mol Wt: 200.1 Mol F: C6H4N2O6 Inv Status: Custom Synthesis
Chemical Name: 3,5-Dinitrobenzene-1,2-diol ; 3,5-dinitrobenzene-1,2-diol
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Entacapone EP Impurity F
CAT No: CL-ETPN-07 CAS No: 160391-70-8 Mol Wt: 250.2 Mol F: C10H6N2O6 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylic acid
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Entacapone EP Impurity G
CAT No: CL-ETPN-08 CAS No: 1364322-41-7 Mol Wt: 263.2 Mol F: C11H9N3O5 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methylacrylamide
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Entacapone EP Impurity H
CAT No: CL-ETPN-09 CAS No: 1150310-15-8 Mol Wt: 317.3 Mol F: C15H15N3O5 Inv Status: Custom Synthesis
Chemical Name: (E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidine-1-carbonyl)acrylonitrile
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Entacapone EP Impurity I
CAT No: CL-ETPN-10 CAS No: 1364322-42-8 Mol Wt: 292.3 Mol F: C13H12N2O6 Inv Status: Custom Synthesis
Chemical Name: Propyl (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)acrylate
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Entacapone Impurity 4
CAT No: CL-ETPN-11 CAS No: 1202160-40-4 Mol Wt: 264.2 Mol F: C11H8N2O6 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylic acid
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Entacapone Methoxy Impurity
CAT No: CL-ETPN-12 CAS No: 857629-78-8 Mol Wt: 319.3 Mol F: C15H17N3O5 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylamide
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Entacapone Impurity 1
CAT No: CL-ETPN-13 CAS No: NA Mol Wt: 305.3 Mol F: C14H15N3O5 Inv Status: Custom Synthesis
Chemical Name: (E)-2-Cyano-3-(3,4-dihydroxy-2-nitrophenyl)-N,N-diethylacrylamide
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Entacapone Impurity 2
CAT No: CL-ETPN-14 CAS No: 2514697-83-5 Mol Wt: 459.5 Mol F: C22H29N5O6 Inv Status: Custom Synthesis
Chemical Name: 2,4-Dicyano-N1,N1,N5,N5-tetraethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)pentanediamide
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Entacapone Impurity 3
CAT No: CL-ETPN-15 CAS No: 2518048-68-3 Mol Wt: 400.5 Mol F: C21H28N4O4 Inv Status: Custom Synthesis
Chemical Name: 2,4-Dicyano-3-(3,4-dihydroxyphenyl)-N1,N1,N5,N5-tetraethylpentanediamide
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Entacapone Impurity 5
CAT No: CL-ETPN-16 CAS No: 26391-06-0 Mol Wt: 140.2 Mol F: C7H12N2O Inv Status: Custom Synthesis
Chemical Name: 2-Cyano-N,N-diethylacetamide
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Entacapone Impurity 6
CAT No: CL-ETPN-17 CAS No: 27794-54-3 Mol Wt: 186.3 Mol F: C10H22N2O Inv Status: Custom Synthesis
Chemical Name: 2-(Diethylamino)-N,N-diethylacetamide
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Entacapone Impurity 7
CAT No: CL-ETPN-18 CAS No: 39096-01-0 Mol Wt: 131.2 Mol F: C6H13NO2 Inv Status: Custom Synthesis
Chemical Name: N,N-Diethyl-2-hydroxyacetamide
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Entacapone Impurity 8
CAT No: CL-ETPN-19 CAS No: 1595072-68-6 Mol Wt: 274.3 Mol F: C15H18N2O3 Inv Status: Custom Synthesis
Chemical Name: (Z)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxyphenyl)acrylamide

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