169280-56-2 Darunavir 169280-56-2
we are supplying below two darunavir intermediates.
4-Amino-N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)benzenesulfonamide CAS:169280-56-2
(3aS,4S,6aR)-Tetrahydro-4-methoxy-furo[3,4-b]furan-2(3H)-one CAS:866594-60-7
Specifications:
Description : white to almost white powder,freely soluble in DMF,soluble in methanol.
Identification :UV in the 400nm to 190nm exhibits maximum at about 269nm.
Water:0.50%max.
related substance(HPLC)
Impurity at RRT 1.3 0.10%max.
individual impurity 0.5%max.
total impurities 1.0%max.
assay:97-102%
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