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Norepinephrine Bitartrate

Otehr name:L-4-(2-Amino-1-hydroxyethyl)-1,2-benzenediol bitartrate
CAS NO:69815-49-2
Shelf life:2 years
The detailed specifications are as below:

CharactersWhite or almost white.odorless,crystalline powder
IdentificationA:infrared absorption
B:ferric chloride TS
C:0.10N iodine
Specific rotaionBetween-10° and -12°
WaterBetween 4.5% and 5.8%
Residue on ignitionNot more than 0.1% from 200mg
Limit of arterenoneAt 310 nm not more than 0.20
Residual solventsEthanol:not more than 5000ppm
Bacterial endotoxins1MG(-)-noradrenaline should contain less than 30EU
AssayNot less than 97.0% and not more than 102.0%