Model: | - |
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Brand: | tongsheng |
Origin: | Made In China |
Category: | Chemicals / Organic Chemical Materials / Pharmaceutical Chemicals |
Label: | D-pyroglutamic acid , H-D-Pyr-OH , 4042-36-8 |
Price: |
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Min. Order: | - |
Last Online:03 Jun, 2024 |
Appearance |
White crystals with lumps |
Specific rotation[α]D/20 (C=2 in H2O) |
+10.8°to +12.3° |
Melting Point (ºC) |
160 to 163 ºC |
Chloride(C1) |
Not more than 0.02% |
Iron(Fe) |
Not more than 10ppm |
Heavy metals(Pb) |
Not more than 10ppm |
Arsenic(As2O3) |
Not more than 1ppm |
Loss on drying |
Not more than 0.20% |
Residue on ignition |
Not more than 0.10% |
Assay |
98.0%¡«101.0% |