Impurity Reference Standard - Products

Fludarabine Phosphate

CAT No: CL-FRB-01 CAS No: 75607-67-9 Mol Wt: 365.2 Mol F: C10H13FN5O7P Inv Status: Custom Synthesis

Chemical Name: 2-Fluoro-9-(5-O-phosphono-?D-arabinofuranosyl)-9H-purin-6-amine ; 9-?d-Arabinofuranosyl-2-fluoroadenine 5'-(dihydrogen phosphate) (as per USP)

Fludarabine Phosphate EP Impurity A

CAT No: CL-FRB-02 CAS No: 62314-92-5 Mol Wt: 363.2 Mol F: C10H14N5O8P Inv Status: Custom Synthesis

Chemical Name: 6-Amino-9-(5-O-phosphono-b-D-arabinofuranosyl)-9H-purin-2-ol

Fludarabine Phosphate EP Impurity B

CAT No: CL-FRB-03 CAS No: 3373-53-3 Mol Wt: 151.1 Mol F: C5H5N5O Inv Status: Custom Synthesis

Chemical Name: 6-Amino-7H-purin-2-ol

Fludarabine Phosphate EP Impurity C

CAT No: CL-FRB-04 CAS No: 548774-53-4 Mol Wt: 445.2 Mol F: C10H14FN5O10P2 Inv Status: Custom Synthesis

Chemical Name: 9-(3,5-Di-O-phosphono-b-D-arabinofuranosyl)-2-fluoro-9H-purin-6-amine

Fludarabine Phosphate EP Impurity D

CAT No: CL-FRB-05 CAS No: 700-49-2 Mol Wt: 153.1 Mol F: C5H4FN5 Inv Status: Custom Synthesis

Chemical Name: 2-Fluoro-7H-purin-6-amine

Fludarabine Phosphate EP Impurity E

CAT No: CL-FRB-06 CAS No: 21679-14-1 Mol Wt: 285.2 Mol F: C10H12FN5O4 Inv Status: Custom Synthesis

Chemical Name: 9-b-D-Arabinofuranosyl-2-fluoro-9H-purin-6-amine

Fludarabine Phosphate EP Impurity F

CAT No: CL-FRB-07 CAS No: 159002-28-5 Mol Wt: 391.3 Mol F: C12H18N5O8P Inv Status: Custom Synthesis

Chemical Name: 2-Ethoxy-9-(5-O-phosphono-b-D-arabinofuranosyl)-9H-purin-6-amine

Fludarabine Phosphate EP Impurity G

CAT No: CL-FRB-08 CAS No: 548774-56-7 Mol Wt: 383.7 Mol F: C10H12ClFN5O6P Inv Status: Custom Synthesis

Chemical Name: 9-(2-Chloro-2-deoxy-5-O-phosphono-b-D-arabinofuranosyl)-2-fluoro-9H-purin-6-amine

Fludarabine Phosphate EP Impurity H

CAT No: CL-FRB-09 CAS No: 548774-57-8 Mol Wt: 267.2 Mol F: C10H10FN5O3 Inv Status: Custom Synthesis

Chemical Name: 9-(2,5-Anhydro-?D-arabinofuranosyl)-2-fluoro-9H-purin-6-amine

Fludarabine Phosphate EP Impurity I

CAT No: CL-FRB-10 CAS No: 7561-54-8 Mol Wt: 362.2 Mol F: C10H15N6O7P Inv Status: Custom Synthesis

Chemical Name: 9-(5-O-Phosphono-b-D-arabinofuranosyl)-9H-purine-2,6-diamine

Fludarabine Phosphate EP Impurity J

CAT No: CL-FRB-11 CAS No: NA Mol Wt: 377.2 Mol F: C11H16N5O8P Inv Status: Custom Synthesis

Chemical Name: 2-Methoxy-9-(5-O-phosphono-b-D-arabinofuranosyl)-9H-purin-6-amine

Fludarabine Phosphate Impurity 1

CAT No: CL-FRB-12 CAS No: NA Mol Wt: 447.2 Mol F: C10H16FN5O10P2 Inv Status: Custom Synthesis

Chemical Name: ((2R,4S,5R)-5-(6-amino-2-fluoro-1,2-dihydro-9H-purin-9-yl)-4-hydroxy-3-(phosphonooxy)tetrahydrofuran-2-yl)methyl dihydrogen phosphate

Fludarabine Phosphate Impurity 2

CAT No: CL-FRB-13 CAS No: NA Mol Wt: 393.3 Mol F: C12H20N5O8P Inv Status: Custom Synthesis

Chemical Name: ((2R,3S,4S,5R)-5-(6-Amino-2-ethoxy-1,2-dihydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate

Fludarabine Phosphate Impurity 3

CAT No: CL-FRB-14 CAS No: NA Mol Wt: 366.2 Mol F: C10H12FN4O8P Inv Status: Custom Synthesis

Chemical Name: ((2R,3S,4S,5R)-5-(2-fluoro-6-oxo-1,6-dihydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate

Fludarabine Phosphate Impurity 4

CAT No: CL-FRB-15 CAS No: NA Mol Wt: 366.2 Mol F: C10H12FN4O8P Inv Status: Custom Synthesis

Chemical Name: ((2R,3S,4S,5R)-5-(2-fluoro-6-oxo-3,6-dihydro-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate

Fludarabine Phosphate Impurity 5

CAT No: CL-FRB-16 CAS No: NA Mol Wt: 527.4 Mol F: C16H26N5O13P Inv Status: Custom Synthesis

Chemical Name: ((2R,3S,4S,5R)-5-(6-amino-2-(((2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl)oxy)-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate

Type:Impurity Reference Standard

API NAME:Fludarabine

Total Products: 16

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