Sichuan Tongsheng Amino acid Co., Ltd
L-Pyroglutamic acid
L-Theanine
L-Prolinamide

Products
D-Leucine

Product Name: H-D-Leu-OH
CAS#: 328-38-1
Synonyms: D-Leucine
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
Specifications: (Reference standard: AJI92)

Item

Standard

Analysis data

Appearance

White fine crystals or White power

conforms

Specific rotation(20/D)
(C=4 in 6N HCL)

-14.0 to -16.0°Degree

-15.8°

Chloride (Cl)

Not more than 0.1%

0.02%

Heavy metals(Pb)

Not more than 10ppm

8ppm

Arsenic(As2O3)

Not more than 1ppm

<1ppm

Other amino acids

Chromatographically
Not detectable

conforms

Loss on drying

Not more than 0.20%

0.08%

Residue on ignition(sulfated)

Not more than 0.10%

0.07%

Assay

98.0 to100.5%

99.2%

Inspector:

陈君    王明芳

Manager:

彭秀明

Conclusion

The product is according with standard.


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