sigma试剂 Iodoacetic acid 碘乙酸,I4386-≥99.0%(T)
sigma试剂 Potassium tetrathionate, 连四硫酸钾,P2926,CAS号: 13932-13-3
Sigma试剂 3,3′,5-Triiodo-L-thyronine sodium salt ,3,3′,5-三碘-L-甲状腺原氨酸 钠盐,T6397 - powder, BioReagent, suitable for cell culture
sigma试剂 Tributylphosphine,三丁基膦,247049 - mixture of isomers, 97%
sigma试剂 Griess reagent (modified) ,G4410
sigma试剂NU7026 ,N1537 - ≥98%(HPLC), solid