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L-Leucine
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.Our company can complete the pilot test and enlargement production of various types of reactions.Our company has won the trust of customers at home and abroad with competitive price, high quality products, quick response, high quality sales service, steady and honest style, and the concept of providing one-stop service for customers. and support.Our manufacturing range includes products for diverse industrial applications, and features a range of alkylamines, pharmaceutical intermediates, flavour & fragrance and other personal care products, and other specialties.The company's products have been exported to Europe, America, Southeast Asia, the Middle East, South America and other places, and established a long-term cooperative relationship with customers.
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An essential amino acid in human. Known as BCAAs (branched chained amino acids) which are the main components of muscle protein. It is widely used as an ingredient in infusion and infant formula.
Cas.No
61-90-5
Assay
99.0-101.0%
Specification
White crystals or crystalline powder, odorless or slightly characteristic odor, slightly bitter taste
Applications
Infusion, Cell culture media, Dietary Supplement
Packaging
25kg&50kg
Pharmacopeia
JP,USP,EP,FCC
STORAGE
Controlled room temperature in tight container
SPECIFICATION AND PROCEDURE
· * The endotoxin-certified grade will be supplied on request.
State of solution
(Transmittance)
Not Less Than 98.0%
pH
5.5~6.5
Specific rotation[α]20D
+14.9~+16.0°
Specific rotation[α]25D
+14.9~+17.3°
Ammonium (NH4)
Not More Than 0.020%
Chloride (Cl)
Not More Than 0.020%
Sulfate (SO4)
Not More Than 0.020%
Iron (Fe)
Not More Than 10 ppm
Heavy metals (Pb)**
Not More Than 10 ppm
Arsenic (As2O3)
Not More Than 1 ppm
Loss on drying
Not More Than 0.20%
Residue on ignition
Not More Than 0.10%
Related substances
Not More Than 0.5%
Endotoxin*
Less Than 6.0 EU/g
Assay (dry basis)
99.0~101.0%
· ** FCC grade (Lead : Not More Than 5 mg/kg) will be supplied on request.
· This product meets requirements of residual solvents listed in the current JP, USP and EP.