SICHUAN TONGSHENG AMINO ACID CO.,LTD
Reference Standard
Product Name: H-DL-Tyr-OH
CAS#: 556-03-6
Synonyms: DL-Tyrosine
Molecular Formula: C9H11NO3
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Molecular Weight: 181.19
Reference standard: AJI92
Specifications:
|
Item |
Standard |
|
State of solution (Transmittance) |
Not less than 95.0% |
|
Chloride (Cl) |
Not more than0.10% |
|
Heavy metal(Pb) |
Not more than 10ppm |
|
Arsenic(As2O3) |
Not more than 2ppm |
|
Other amino acids |
Chromatographically not detectable |
|
Loss on drying |
Not more than 0.20% |
|
Residue on ignition(sulfated) |
Not more than 0.20% |
|
Assay |
98.0 to101.0% |
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