Supplier Page from Thermo Fisher Scientific for Quartz tubing, fused, 6.35mm (0.25in) OD for compression type fittings
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific