From

T Celsius

Comments

Single Chains

chloroform/methanol (1:9)

Crystallization by precipitation and silica chromatography

acetone or ether

well-shaped brittle needles

moist chloroform/methanol

Double Chains

chloroform/methanol

< 121

temperature controlled cooling apparatus. Crystals are elongated prisms

dry ethanol/ethyl acetate (4:6)

40-18

slow cooling (4 C/day)

ethanol (95%)

slow evaporation. Crystals are rhombic plates & contain 1/2 a molecules of solvent/cerebroside molecule

chloroform

slow evaporation over period of weeks. Dimension about 0.1 mm