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

Products
DL-Tyrosine

Product Name: H-DL-Tyr-OH
CAS#: 556-03-6
Synonyms: DL-Tyrosine
Molecular Formula: C9H11NO3
Molecular Weight: 181.19
Specifications:

Item

Standard

Analysis data

State of solution
(Transmittance)

Not less than 95.0%

96.9%

Chloride (Cl)

Not more than0.10%

<0.10%

Heavy metal(Pb)

Not more than 10ppm

<10ppm

Arsenic(As2O3)

Not more than 2ppm

<2ppm

Loss on drying

Not more than 0.50%

0.19%

Residue on ignition(sulfated)

Not more than 0.20%

0.09%

Assay

98.0 to101.0%

98.9%

Conclusion

The product is according with standard.


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