CAS:338-69-2 D-Alanine

Details:

D-Alanine
CAS RN: 338-69-2
H-D-Ala-OH
(2R)-2-aminopropanoic acid
(R)-Alanine
 

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 (diaminopropionate ammonia-lyase) inhibitor and an Escherichia coli metabolite. It is a D-alpha-amino acid and an alanine. It is a conjugate base of a D-alaninium. It is a conjugate acid of a D-alaninate. It is an enantiomer of a L-alanine. It is a tautomer of a D-alanine zwitterion.
 
Alanine is a small non-essential amino acid in humans, Alanine is one of the most widely used for protein construction and is involved in the metabolism of tryptophan and vitamin pyridoxine. Alanine is an important source of energy for muscles and central nervous system, strengthens the immune system, helps in the metabolism of sugars and organic acids, and displays a cholesterol-reducing effect in animals. (NCI04)

Scope of services: compound custom synthesis, chemical custom synthesis, peptide custom synthesis, protein synthesis, pharmaceutical intermediate custom synthesis, generic synthesis, chemical custom synthesis CRO, etc.With strong technical accumulation and innovative research and development capabilities, he is good at various types of chemical reactions such as hydrogenation, nitration, Suzuki coupling, cyanation, diazotization, bromination, wittig reaction, Grignard reaction, redox reaction and ultra-low temperature reaction.The company's production base is equipped with enamel reactors from 50L to 5000L, stainless steel ultra-low temperature reactors and conventional separation and drying equipment.By following our guiding principles of Samples, Quotes, Literature, and Innovation, we are able to make continual process improvements for customers.In addition to our core competence in the standard unit operations of organic chemical synthesis, we offer specialised reaction technology, including innovative organometallic synthesis, catalytic transfer hydrogenation and the various operations required for synthesis of chiral compounds.

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