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Noradrenaline Bitartrate L-4-(2-Amino-1-hydroxyethyl)-1,2-benzenediol bitartrate 69815-49-2
CAS Number: 69815-49-2
Name: Norepinephrine
Formula: C12H19NO10
Package: aluminum bag or paper drums
Appearance: white powder
Norepinephrine (abbreviated norepi or NE), also called Noradrenaline (abbreviated NA, NAd, or norad), or 4,5-β-trihydroxy phenethylamine is a catecholamine with multiple roles including those as a hormone and a neurotransmitter. It is the hormone and neurotransmitter most responsible for vigilant concentration in contrast to its most chemically similar hormone, dopamine, which is most responsible for cognitive alertness.
Test Items |
Standard |
Appearance |
White or almost-white crystalline powder |
Identification |
A:[a]D20-44°—-48° |
|
B. IR Spectum similar to working standa |
|
C. Give Reaction of Tartrate |
Appearance of Solution |
Clear and colour ≤BY5 |
Related Substances |
Tatol Impurity in 280nm ≤ 0.3% |
|
Impurity A,adrenaline ≤ 0.5% |
|
Impurity B,noradrenaline ≤0.1% |
|
Impurity C,dopamine≤0.1% |
|
Impurity D ≤0.1% |
|
Impurity E ≤0.1% |
|
Impurity F ≤0.1% |
|
Impurity G ≤0.1% |
Unspecified impurities |
≤ 0.1% |
Disregard limit |
≤0.05% |
Water |
4.5%~5.8% |
Sulphated ash |
≤ 0.1% |
Residual solvents |
Ethanol 5000ppm |
Assay |
98.5%~101.0% |
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