Pharmaceutical Reference Standards / Impurity Standards

Doxofylline
Doxofylline
  • CAT. No.D370000
  • CAS. No.69975-86-6
  • Mol. F.C11H14N4O4
  • Mol. W.266.25 g/mol
  • Stock Status:Instock
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Theophylline-7-acetaldehyde
Theophylline-7-acetaldehyde
  • CAT. No.D370001
  • CAS. No.5614-53-9
  • Mol. F.C9H10N4O3
  • Mol. W.222.20 g/mol
  • Stock Status:Custom Synthesis
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Doxofylline Impurity 1
Doxofylline Impurity 1
  • CAT. No.D370002
  • CAS. No.1429636-74-7
  • Mol. F.C10H16N4O3
  • Mol. W.240.26 g/mol
  • Stock Status:Custom Synthesis
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7-(2,2-Dihydroxyethyl)-theophylline
7-(2,2-Dihydroxyethyl)-theophylline
  • CAT. No.D370003
  • CAS. No.1429636-73-6
  • Mol. F.C9H12N4O4
  • Mol. W.240.22 g/mol
  • Stock Status:Custom Synthesis
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Doxofylline EP Impurity D
Doxofylline EP Impurity D
  • CAT. No.D370004
  • CAS. No.NA
  • Mol. F.C9H12N4O4.H2O
  • Mol. W.258.23 g/mol
  • Stock Status:Custom Synthesis
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Theophylline Impurity 4
Theophylline Impurity 4
  • CAT. No.D370005
  • CAS. No.1174289-18-9
  • Mol. F.C11H14N4O4
  • Mol. W.266.25 g/mol
  • Stock Status:Custom Synthesis
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(1,3-Dioxolan-2-yl)methanol
(1,3-Dioxolan-2-yl)methanol
  • CAT. No.D370006
  • CAS. No.5694-68-8
  • Mol. F.C4H8O3
  • Mol. W.104.1 g/mol
  • Stock Status:Custom Synthesis
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2,2-Bi-1,3-dioxolane
2,2-Bi-1,3-dioxolane
  • CAT. No.D370007
  • CAS. No.6705-89-1
  • Mol. F.C6H10O4
  • Mol. W.146.14 g/mol
  • Stock Status:Custom Synthesis
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Doxofylline Impurity 4
Doxofylline Impurity 4
  • CAT. No.D370010
  • CAS. No.108084-94-2
  • Mol. F.C7H7N4NaO5S
  • Mol. W.282.21 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Doxofylline-D4
Doxofylline-D4
  • CAT. No.D370008
  • CAS. No.1346599-13-0
  • Mol. F.C11H10D4N4O4
  • Mol. W.270.28 g/mol
  • Stock Status:Custom Synthesis
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Doxofylline-D6
Doxofylline-D6
  • CAT. No.D370009
  • CAS. No.NA
  • Mol. F.C11H8D6N4O4
  • Mol. W.272.29 g/mol
  • Stock Status:Custom Synthesis
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