Impurity Reference Standard - Products

Istradefylline

CAT No: CL-IFY-001 CAS No: 155270-99-8 Mol Wt: 384.4 Mol F: C20H24N4O4 Inv Status: Custom Synthesis

Chemical Name: (E)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione

Istradefylline Impurity 2

CAT No: CL-IFY-002 CAS No: NA Mol Wt: 398.5 Mol F: C21H26N4O4 Inv Status: Custom Synthesis

Chemical Name: (E)-8-(3,4-Dimethoxystyryl)-1,3,7-triethyl-3,7-dihydro-1H-purine-2,6-dione

Istradefylline Dimer Impurity

CAT No: CL-IFY-003 CAS No: 702697-27-6 Mol Wt: 768.9 Mol F: C40H48N8O8 Inv Status: Custom Synthesis

Chemical Name: rel-8,8'-((1R,2R,3S,4S)-2,4-bis(3,4-dimethoxyphenyl)cyclobutane-1,3-diyl)bis(1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione)

Istradefylline Impurity 1

CAT No: CL-IFY-004 CAS No: 155270-98-7 Mol Wt: 370.4 Mol F: C19H22N4O4 Inv Status: Custom Synthesis

Chemical Name: (E)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-3,7-dihydro-1H-purine-2,6-dione

Istradefylline Impurity 3

CAT No: CL-IFY-005 CAS No: 606080-73-3 Mol Wt: 384.4 Mol F: C20H24N4O4 Inv Status: Custom Synthesis

Chemical Name: (Z)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methyl-3,7-dihydro-1H-purine-2,6-dione

Istradefylline Impurity 4

CAT No: CL-IFY-006 CAS No: 187393-68-6 Mol Wt: 388.4 Mol F: C19H24N4O5 Inv Status: Custom Synthesis

Chemical Name: (E)-N-(6-Amino-1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-(3,4-dimethoxyphenyl)acrylamide

Istradefylline Impurity 5

CAT No: CL-IFY-007 CAS No: 1785764-26-2 Mol Wt: 198.2 : 36.5 Mol F: C8H14N4O2 : HCl Inv Status: Custom Synthesis

Chemical Name: 5,6-Diamino-1,3-diethylpyrimidine-2,4(1H,3H)-dione hydrochloride