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

Products
L-Serine

Product Name: L-Ser-OH                     

CAS #:  56-45-1
Synonyms: L-Serine                         

Molecular Formula: C3H7NO3
Molecular Weight: 105.09      
Specifications:

Items

Standard

Analysis data

Appearance

 white crystals or crystalline powder

White crystalline powder

Specific Rotation[a]D 25

      +14.0º- +15.6º

+15.1 º

Loss on drying

 ≤0.20%

0.1%

Residue on Ignition

 ≤0.10% 

0.09%

Iron(Fe)

 ≤0.003%

<0.003%

Heavy Metals(Pb)

 ≤0.0010%

<0.0010%

Chloride(Cl)

≤0.02%

<0.02%

Sulfate(SO4)

 ≤0.02% 

< 0.02%

Iron

≤0.003%

<0.003%

Assay

98.5%-101.5%

99.0%

Conclusion

The product is according with standard USP-34.


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