L-Thyroxine；3,5,3′,5′-Tetraiodo-L-thyronine
CAS No.： 51-48-9
Item No.： AA0170
Store at： 2～8℃，避光
Item No.： AA0170
Store at： 2～8℃，避光
CAS No.: 51-48-9
C15H11I4NO4=776.87
Grade: BR
Content: ≥ 98.0%
Melting point: 224 ~ 226 ℃
Heavy metals: ≤ 10ppm
Physicochemical properties: white or slightly grayish brown crystal. Decompose at 235 ~ 236 ℃. Soluble in alkali solution, insoluble in water, ethanol and ether. Specific rotation[ α] 25546-3.2 ° (0.66g dissolved in 6.07g 0.5mol/l sodium hydroxide + 13.03g ethanol)[ α] 20d-4.4 ° (c=3, 0.13mol/l sodium hydroxide in 70% ethanol).
Purpose: biochemical research. L-thyroxine stimulates metabolism and regulates growth and development by affecting DNA transcription and protein synthesis
Storage: 2 ~ 8 ℃, away from light
