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123719-19-7

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123719-19-7 Structure

123719-19-7 Structure
IdentificationBack 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 PropertiesBack Directory
[Melting point ]

101-105°C
[Boiling point ]

864.3±65.0 °C(Predicted)
[density ]

1.17±0.1 g/cm3(Predicted)
[storage temp. ]

Hygroscopic, -20°C Freezer, Under Inert Atmosphere
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

11.24±0.70(Predicted)
[color ]

White to Off-White
[Stability:]

Hygroscopic
Hazard InformationBack 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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