CAS 66584-72-3 | Ansamitocin P-3
Molecular Formula: C32H43ClN2O9
Molecular Weight: 635.14
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 66584-72-3 | ansamitocin P-3
ITEMS | SPECIFICATION |
pka | 9.82 |
Melting point | 190-192℃ |
Density | 1.29 |
Storage temp. | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
Boiling point | 833.1 °C |
Synthesis of CAS 66584-72-3 | ansamitocin P-3
Conditions
Stage #1: maytansinol; isobutyric Acid With dmap; scandium tris(trifluoromethanesulfonate) In dichloromethane at -8℃; for 0.5h;
Stage #2: With diisopropyl-carbodiimide In dichloromethane
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