≥90%

20-(tert-butoxy)-20-oxoicosanoic acid
Chemical Formula: C24H46O4
Molecular Weight: 398.6280
m/z: 398.3396 (100.0%), 399.3430 (26.0%), 400.3463 (3.2%)
Elemental Analysis: C, 72.31; H, 11.63; O, 16.05