123719-19-7

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123719-19-7 Structure

Identification	Back Directory
[Name] 9-Norketo FK-506
[CAS] 123719-19-7
[Synonyms] 9-Norketo FK-506 Tacrolimus Impurity 22 9-Norketo Tacrolimus (9-Norketo FK-506) [3S-[3R[E(1S,3S,4S)],4S,5R,8S,9E,12R,14R,15S,16R,18S,19S,25aR]]-
[Molecular Formula] C43H69NO11
[MOL File] 123719-19-7.mol
[Molecular Weight] 776.008

Chemical Properties	Back Directory
[Melting point ] 101-105°C
[storage temp. ] Hygroscopic, -20°C Freezer, Under Inert Atmosphere

Hazard Information	Back Directory
[Chemical Properties] Off-White Solid
[Uses] FK-506 (F370000) impurity. A FK-506 derivative prepared via base-mediated FK-506 rearrangement and oxidation.

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