Pharmaceutical Reference Standards / Impurity Standards

Letrozole
Letrozole
  • CAT. No.L170000
  • CAS. No.112809-51-5
  • Mol. F.C17H11N5
  • Mol. W.285.30 g/mol
  • Stock Status:Instock
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Letrozole EP Impurity B
Letrozole EP Impurity B
  • CAT. No.L170001
  • CAS. No.113402-31-6
  • Mol. F.C22H13N3
  • Mol. W.319.36 g/mol
  • Stock Status:Instock
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Letrozole EP Impurity A
Letrozole EP Impurity A
  • CAT. No.L170003
  • CAS. No.112809-52-6
  • Mol. F.C17H11N5
  • Mol. W.285.30 g/mol
  • Stock Status:Instock
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Letrozole EP Impurity C
Letrozole EP Impurity C
  • CAT. No.L170004
  • CAS. No.112809-25-3
  • Mol. F.C10H8N4
  • Mol. W.184.20 g/mol
  • Stock Status:Instock
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4-florobenzonitrile
4-florobenzonitrile
  • CAT. No.L170005
  • CAS. No.1194-02-1
  • Mol. F.C7H4FN
  • Mol. W.121.11 g/mol
  • Stock Status:Custom Synthesis
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4,4'-Dicyanobenzophenone
4,4'-Dicyanobenzophenone
  • CAT. No.L170006
  • CAS. No.32446-66-5
  • Mol. F.C15H8N2O
  • Mol. W.232.24 g/mol
  • Stock Status:Custom Synthesis
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Letrozole N-Oxide
Letrozole N-Oxide
  • CAT. No.L170007
  • CAS. No.NA
  • Mol. F.C17H11N5O
  • Mol. W.301.31 g/mol
  • Stock Status:Custom Synthesis
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Letrozole Monoacid
Letrozole Monoacid
  • CAT. No.L170008
  • CAS. No.NA
  • Mol. F.C17H12N4O2
  • Mol. W.304.31 g/mol
  • Stock Status:Instock
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Letrozole Diacid
Letrozole Diacid
  • CAT. No.L170009
  • CAS. No.1644566-39-1
  • Mol. F.C17H15N3O4
  • Mol. W.323.30 g/mol
  • Stock Status:Instock
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Carbinol Metabolite Of Letrozole
Carbinol Metabolite Of Letrozole
  • CAT. No.L170010
  • CAS. No.134521-16-7
  • Mol. F.C15H10N2O
  • Mol. W.234.25 g/mol
  • Stock Status:Instock
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Glucuronide acid conjuagate
Glucuronide acid conjuagate
  • CAT. No.L170011
  • CAS. No.NA
  • Mol. F.NA
  • Mol. W.NA
  • Stock Status:Custom Synthesis
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Letrozole Diamide
Letrozole Diamide
  • CAT. No.L170012
  • CAS. No.2170106-13-3
  • Mol. F.C17H17N5O2
  • Mol. W.323.36 g/mol
  • Stock Status:Instock
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Letrozole Impurity 3
Letrozole Impurity 3
  • CAT. No.L170013
  • CAS. No.112809-27-5
  • Mol. F.C10H8N4
  • Mol. W.184.20 g/mol
  • Stock Status:Custom Synthesis
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1,4-bis[(4-cyanophenyl)methyl]-1H-1,2,4-triazol-4-ium bromide
1,4-bis[(4-cyanophenyl)methyl]-1H-1,2,4-triazol-4-ium bromide
  • CAT. No.L170014
  • CAS. No.NA
  • Mol. F.C18H14BrN5
  • Mol. W.380.24 g/mol
  • Stock Status:Custom Synthesis
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Letrozole Impurity 7
Letrozole Impurity 7
  • CAT. No.L170015
  • CAS. No.NA
  • Mol. F.C17H15N5O
  • Mol. W.305.33 g/mol
  • Stock Status:Custom Synthesis
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Letrozole Mono-Amide Impurity
Letrozole Mono-Amide Impurity
  • CAT. No.L170016
  • CAS. No.2500927-47-7
  • Mol. F.C17H13N5O
  • Mol. W.303.32 g/mol
  • Stock Status:Instock
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4-(Chloro-1H-1,2,4-triazol-1-ylmethyl)benzonitrile
4-(Chloro-1H-1,2,4-triazol-1-ylmethyl)benzonitrile
  • CAT. No.L170017
  • CAS. No.2451658-74-3
  • Mol. F.C10H7ClN4
  • Mol. W.218.64 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Letrozole-D4
Letrozole-D4
  • CAT. No.L170002
  • CAS. No.1133712-96-5
  • Mol. F.C17H7D4N5
  • Mol. W.289.33 g/mol
  • Stock Status:Instock
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