D-Leucine
Founded in 2007, our company is a high-tech pharmaceutical and pesticide chemical company integrating R&D, production and sales.Our team has 20 years of R&D, production and management experience and concepts, and domestic and foreign market experience.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.We place the highest value on the enduring nature of our customer relationships, the quality of our products and services and the continuity and integrity of our people.We offer a wide range of pharmaceutical intermediates, reference compounds for pharmaceutical companies, pharmaceutical biotech companies, universities and research institutions. Custom synthesis and production services for new reagents, etc.
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CAS RN: 328-38-1
Solubility in 3M-HCl
Colorless & clear (c=5)
Specific rotation [α]D20
-14.8°~-15.7°(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, 50μg)
Assay
98.5%~101.0%
L-Isomer
Not more than 0.5%