D-Alanine CAS:338-69-2 98.5%～101.0%
|
Solubility in water |
Colorless & clear (c=5) |
|
Specific rotation [α]D20 |
-13.7°～-15.0°(c= 4, 6M-HCl) |
|
Loss on drying |
Not more than 0.3% |
|
Residue on ignition (as sulfate) |
Not more than 0.1% |
|
Chloride (Cl) |
Not more than 0.02% |
|
Sulfate (SO4) |
Not more than 0.03% |
|
Heavy metals (as Pb) |
Not more than 10ppm |
|
Iron (Fe) |
Not more than 10ppm |
|
Ammonium (NH4) |
Not more than 0.02% |
|
Arsenic (As2O3) |
Not more than 1ppm |
|
Other amino acids |
Not detected by T.L.C.(The spotted amount, 10μg) |
|
Assay |
98.5%～101.0% |
|
L-Isomer |
Not more than 0.5% |
D-alanine is the D-enantiomer of alanine.It has a role as a human metabolite, an EC 4.3.1.15 (diaminopropionateammonia-lyase) inhibitor and an Escherichia coli metabolite. It is aD-alpha-amino acid and an alanine. It is a conjugate base of a D-alaninium. Itis a conjugate acid of a D-alaninate. It is an enantiomer of a L-alanine. It isa tautomer of a D-alanine zwitterion.
Alanine is a small non-essential amino acidin humans, Alanine is one of the most widely used for protein construction andis involved in the metabolism of tryptophan and vitamin pyridoxine. Alanine isan important source of energy for muscles and central nervous system,strengthens the immune system, helps in the metabolism of sugars and organicacids, and displays a cholesterol-reducing effect in animals. (NCI04)
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