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10 Gram |
Negotiable |
3'-Hydroxypterostilbene cas 475231-21-1 3'-Hydroxypterostilbene powder
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3.low moq:
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Product Describtion
What's the Organic Synthetic Intermediates 3'-Hydroxypterostilbene powder CAS 475231-21-1
COA
Item |
Specification |
Specific rotation |
+39.5 to +41.5° |
State of solution(transmittance) |
Clear 98.0% min. |
Chloride[cl] |
0.020% max. |
Ammonium [NH4] |
0.02% max. |
Sulfate[SO4] |
0.020% max |
Iron[Fe] |
10ppm max. |
Heavy metals [Pb] |
10ppm max |
Arsenic[As2O3] |
1ppm max |
Other amino acids |
Chromatographically not detectable |
Loss on drying |
0.20% max. |
Residue on ignition[sulfated] |
0.10% max. |
Assay |
99.0% min |
Packing and shipping
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