Clofarabine

Clofarabine is a second-generation purine nucleoside analogue that inhibits ribonucleotide reductase and DNA polymerase, used for relapsed or refractory acute lymphoblastic leukaemia in paediatric patients. Simson Pharma's Clofarabine reference standard and impurities support stability-indicating method development for this paediatric oncology agent.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Clofarabine Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.

Pharmaceutical Reference Standards / Impurity Standards

Clofarabine
Clofarabine
  • CAT. No.C1070000
  • CAS. No.123318-82-1 
  • Mol. F.C10H11ClFN5O3
  • Mol. W.303.68 g/mol
  • Stock Status:Instock
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Cladribine EP Impurity C
Cladribine EP Impurity C
  • CAT. No.C1070001
  • CAS. No.1839-18-5
  • Mol. F.C5H4ClN5
  • Mol. W.169.57 g/mol
  • Stock Status:Instock
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Clofarabine Impurity 8
Clofarabine Impurity 8
  • CAT. No.C1070002
  • CAS. No.111615-20-4
  • Mol. F.C10H11Cl2N5O3
  • Mol. W.320.13 g/mol
  • Stock Status:Instock
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Clofarabine alpha-Pyranosyl Formamide Impurity
Clofarabine alpha-Pyranosyl Formamide Impurity
  • CAT. No.C1070003
  • CAS. No.1140251-30-4
  • Mol. F.C10H13ClFN5O4
  • Mol. W.321.69 g/mol
  • Stock Status:Custom Synthesis
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1,3,5-Tri-O-benzoyl-alpha-D-ribofuranose
1,3,5-Tri-O-benzoyl-alpha-D-ribofuranose
  • CAT. No.C1070005
  • CAS. No.22224-41-5
  • Mol. F.C26H22O8
  • Mol. W.462.45 g/mol
  • Stock Status:Custom Synthesis
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1,3,5-Tri-O-benzoyl-2-deoxy-2-fluoro-a-L-arabinofuranose
1,3,5-Tri-O-benzoyl-2-deoxy-2-fluoro-a-L-arabinofuranose
  • CAT. No.C1070006
  • CAS. No.171721-00-9
  • Mol. F.C26H21FO7
  • Mol. W.464.44 g/mol
  • Stock Status:Custom Synthesis
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2-Chloro-2`-deoxy-2`-fluoroadenosine
2-Chloro-2`-deoxy-2`-fluoroadenosine
  • CAT. No.C1070007
  • CAS. No.156357-18-5
  • Mol. F.C10H11ClFN5O3
  • Mol. W.303.68 g/mol
  • Stock Status:Custom Synthesis
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Imidazole-1-sulfonic Acid
Imidazole-1-sulfonic Acid
  • CAT. No.C1070008
  • CAS. No.21108-81-6
  • Mol. F.C3H4N2O3S
  • Mol. W.148.14 g/mol
  • Stock Status:Custom Synthesis
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Clofarabine Alpha Anomer Impurity
Clofarabine Alpha Anomer Impurity
  • CAT. No.C1070009
  • CAS. No.491594-60-6
  • Mol. F.C10H11ClFN5O3
  • Mol. W.303.68 g/mol
  • Stock Status:Limited Stock
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Clofarabine Impurity 7
Clofarabine Impurity 7
  • CAT. No.C1070010
  • CAS. No.796061-24-0
  • Mol. F.C17H15ClFN5O4
  • Mol. W.407.78 g/mol
  • Stock Status:Custom Synthesis
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N-[4-Amino-2-chloro-6-[(2-deoxy-2-fluoro-beta-D-arabinopyranosyl)amino]-5-pyrimidinyl]-formamide
N-[4-Amino-2-chloro-6-[(2-deoxy-2-fluoro-beta-D-arabinopyranosyl)amino]-5-pyrimidinyl]-formamide
  • CAT. No.C1070012
  • CAS. No.1140251-33-7
  • Mol. F.C10H13ClFN5O4
  • Mol. W.321.69 g/mol
  • Stock Status:Custom Synthesis
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Clofarabine Impurity 5
Clofarabine Impurity 5
  • CAT. No.C1070013
  • CAS. No.1093278-61-5
  • Mol. F.C20H21ClF2N10O6
  • Mol. W.570.89 g/mol
  • Stock Status:Custom Synthesis
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Clofarabine Impurity 6
Clofarabine Impurity 6
  • CAT. No.C1070014
  • CAS. No.1140251-36-0
  • Mol. F.C5H6ClN5O
  • Mol. W.187.59 g/mol
  • Stock Status:Custom Synthesis
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2-deoxy-2-chloro-1,3,5-tri-o-benzoyl-d-ribofuranose
2-deoxy-2-chloro-1,3,5-tri-o-benzoyl-d-ribofuranose
  • CAT. No.C1070015
  • CAS. No.NA
  • Mol. F.C26H21ClO7
  • Mol. W.480.89 g/mol
  • Stock Status:Custom Synthesis
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2,6-Dichloro-9-nitroso-9H-purine
2,6-Dichloro-9-nitroso-9H-purine
  • CAT. No.C1070017
  • CAS. No.2514773-56-7
  • Mol. F.C5HCl2N5O
  • Mol. W.218.00 g/mol
  • Stock Status:Custom Synthesis
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Clofarabine Nitroso Impurity 2
Clofarabine Nitroso Impurity 2
  • CAT. No.C1070018
  • CAS. No.98273-46-2
  • Mol. F.C7H5N3O
  • Mol. W.147.13 g/mol
  • Stock Status:Custom Synthesis
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Clofarabine Nitroso Impurity 3
Clofarabine Nitroso Impurity 3
  • CAT. No.C1070019
  • CAS. No.NA
  • Mol. F.C12H6ClN7O
  • Mol. W.299.67 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Clofarabine-13C-15N3
Clofarabine-13C-15N3
  • CAT. No.C1070016
  • CAS. No.NA
  • Mol. F.C1013CH13ClFN215N3O2
  • Mol. W.305.68 g/mol
  • Stock Status:Custom Synthesis
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