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1 Kilogram |
Negotiable |
D-Tryptophan methyl ester HCL Intermediate of Tadanafil D-Tryptophan methyl ester HCL Manufacturer in china
ppearance |
White to almost white powder |
Specific rotation[α]20D |
-16.5°to -19.5° |
Purity(HPLC) |
Not less than 98% |
Melting point |
210°C~216°C (dec.) |
TLC analysis |
One point |
Clarity of solution |
Clear |
Chemical name |
D-Trp OMe HCl |
Molecular formula |
C12H14N2O2.HCl |
Molecular weight |
254.71 |
Assay |
Not less than 99% |
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