Pharmaceutical Reference Standards / Impurity Standards

Trimethoprim
Trimethoprim
  • CAT. No.T390000
  • CAS. No.738-70-5
  • Mol. F.C14H18N4O3
  • Mol. W.290.32 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity H
Trimethoprim EP Impurity H
  • CAT. No.T390001
  • CAS. No.1916-07-0
  • Mol. F.C11H14O5
  • Mol. W.226.23 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity J
Trimethoprim EP Impurity J
  • CAT. No.T390002
  • CAS. No.118-41-2
  • Mol. F.C10H12O5
  • Mol. W.212.20 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity E
Trimethoprim EP Impurity E
  • CAT. No.T390003
  • CAS. No.60729-91-1
  • Mol. F.C14H17N3O4
  • Mol. W.291.30 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity I
Trimethoprim EP Impurity I
  • CAT. No.T390004
  • CAS. No.30078-48-9
  • Mol. F.C19H20N2O3
  • Mol. W.324.37 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity A
Trimethoprim EP Impurity A
  • CAT. No.T390005
  • CAS. No.213745-86-9
  • Mol. F.C15H20N4O3
  • Mol. W.304.37 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity D
Trimethoprim EP Impurity D
  • CAT. No.T390006
  • CAS. No.92440-76-1
  • Mol. F.C14H17N3O4
  • Mol. W.291.31 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity G
Trimethoprim EP Impurity G
  • CAT. No.T390007
  • CAS. No.78025-68-0
  • Mol. F.C15H20N4O3
  • Mol. W.304.34 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity- F
Trimethoprim EP Impurity- F
  • CAT. No.T390008
  • CAS. No.16285-82-8
  • Mol. F.C13H15BrN4O2
  • Mol. W.339.19
  • Stock Status:Instock
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Trimethoprim EP Impurity C
Trimethoprim EP Impurity C
  • CAT. No.T390009
  • CAS. No.29606-06-2
  • Mol. F.C14H18N4O4
  • Mol. W.306.32 g/mol
  • Stock Status:Instock
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Trimethoprim EP Impurity- B
Trimethoprim EP Impurity- B
  • CAT. No.T390010
  • CAS. No.30806-86-1
  • Mol. F.C14H16N4O4
  • Mol. W.304.3
  • Stock Status:Instock
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Trimethoprim EP Impurity B
Trimethoprim EP Impurity B
  • CAT. No.T390010A
  • CAS. No.30806-86-1
  • Mol. F.C14H16N4O4
  • Mol. W.304.30 g/mol
  • Stock Status:Limited Stock
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Trimethoprim Impurity 4
Trimethoprim Impurity 4
  • CAT. No.T390014
  • CAS. No.86-81-7
  • Mol. F.C10H12O4
  • Mol. W.196.20 g/mol
  • Stock Status:Instock
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Trimethoprim Impurity 2
Trimethoprim Impurity 2
  • CAT. No.T390015
  • CAS. No.72920-13-9
  • Mol. F.C13H15N3O4
  • Mol. W.277.28 g/mol
  • Stock Status:Custom Synthesis
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Trimethoprim Impurity 1
Trimethoprim Impurity 1
  • CAT. No.T390016
  • CAS. No.93885-69-9
  • Mol. F.C14H16N2O5
  • Mol. W.292.29 g/mol
  • Stock Status:Custom Synthesis
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Trimethoprim N-Oxide 3
Trimethoprim N-Oxide 3
  • CAT. No.T390017
  • CAS. No.27653-67-4
  • Mol. F.C14H18N4O4
  • Mol. W.306.32 g/mol
  • Stock Status:Instock
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Trimethoprim N-Oxide 1
Trimethoprim N-Oxide 1
  • CAT. No.T390018
  • CAS. No.27653-68-5
  • Mol. F.C14H18N4O4
  • Mol. W.306.32 g/mol
  • Stock Status:Instock
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Syringaldehyde
Syringaldehyde
  • CAT. No.T390019
  • CAS. No.134-96-3
  • Mol. F.C9H10O4
  • Mol. W.182.18 g/mol
  • Stock Status:Instock
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(Z)-N-(2-cyano-3-(3,4,5-trimethoxyphenyl)prop-1-en-1-yl)-N-phenylnitrous amide
(Z)-N-(2-cyano-3-(3,4,5-trimethoxyphenyl)prop-1-en-1-yl)-N-phenylnitrous amide
  • CAT. No.T390020
  • CAS. No.NA
  • Mol. F.C19H19N3O4
  • Mol. W.353.37 g/mol
  • Stock Status:Custom Synthesis
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2,4-Diamino-5-(3,4,5-trimethoxy-o-hydroxybenzyl)Pyrimidine
2,4-Diamino-5-(3,4,5-trimethoxy-o-hydroxybenzyl)Pyrimidine
  • CAT. No.T390021
  • CAS. No.NA
  • Mol. F.C14H18N4O4
  • Mol. W.306.32 g/mol
  • Stock Status:Custom Synthesis
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Trimethoprim Impurity 6
Trimethoprim Impurity 6
  • CAT. No.T390022
  • CAS. No.1335303-62-2
  • Mol. F.C20H28N4O8
  • Mol. W.452.46 g/mol
  • Stock Status:Instock
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N-Nitroso Trimethoprim EP Impurity A
N-Nitroso Trimethoprim EP Impurity A
  • CAT. No.T390023
  • CAS. No.NA
  • Mol. F.C15H19N5O4
  • Mol. W.333.30 g/mol
  • Stock Status:Custom Synthesis
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Trimethoprim Impurity 7
Trimethoprim Impurity 7
  • CAT. No.T390024
  • CAS. No.21253-58-7
  • Mol. F.C13H16N4O3
  • Mol. W.276.30 g/mol
  • Stock Status:Custom Synthesis
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Trimethoprim Impurity 5
Trimethoprim Impurity 5
  • CAT. No.T390025
  • CAS. No.30077-85-1
  • Mol. F.C15H20N2O3
  • Mol. W.276.33 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Trimethoprim -D3
Trimethoprim -D3
  • CAT. No.T390012
  • CAS. No.1189923-38-3
  • Mol. F.C14H15D3N4O3
  • Mol. W.293.34 g/mol
  • Stock Status:Please Enquire
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Trimethoprim-D9
Trimethoprim-D9
  • CAT. No.T390013
  • CAS. No.1189460-62-5
  • Mol. F.C14H9D9N4O3
  • Mol. W.299.37 g/mol
  • Stock Status:Instock
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