D-003, a product with cholesterol-lowering and antioxidant effects, is a mixture of very high molecular weight aliphatic acids (C24:0 to C36:0) purified from sugar cane (Saccharum officinarum, L.) wax, where octacosanoic acid is the major component. The stability of D-003 as such and in 5 mg filmcoated tablets was determined following ICH guidelines. Validation studies of the GC method demonstr...