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100 Gram |
Negotiable |
Manufacture supply Reserpine Rauwolfia Extract
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Product name |
Reserpine |
Other name |
reserpine crystalline; 3,4,5-Trimethoxybenzoyl methyl reserpate; Reserpine,98%; Reserpine base; Resperine; |
Appearance: |
Off white powder |
CAS NO. |
50-55-5 |
EINECS NO. |
200-047-9 |
Molecular Formula |
C33H40N2O9 |
Molecular Weight |
608.67900 |
Structure |
|
Melting point |
265ºC (dec.) |
Item |
Requirements |
Test Results |
Description |
white crystalline powder |
Complies |
Specific rotation |
-115°~-131° |
-123.7° |
|
|
|
|
(4)Infrared absorption spectrum consistent with the standard pattern |
Complies |
oxidation products |
Buy ultraviolet light (365 nm) examines may not show obvious fluorescence |
No significant fluorescence |
Loss on drying |
≤0.5% |
0.20% |
Ignition residue |
≤0.15% |
0.04% |
Assay |
97.0%~103.0% |
99.70% |
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