Tezacaftor VX-661 CAS 1152311-62-0 99 ٪

ITEMS

SPECIFICATION

RESULTS

Appearance

White or Almost white powder.

Off-white powder.

Identification(RT by HPLC)

Conform with CRS

Conforms

Water(KF)

≤1.0％

0.3%

Loss on drying

≤1.0％

0.15%

Residue on ignition

≤0.1％

0.02%

Heavy metals

≤10ppm

<10ppm

Related substances

Any single known IMP≤0.10%

N.D.

Any single unknown IMP≤0.10％

    0.04%

Total impurities≤0.50％

0.12%

Chiral purity

Enantiomer ≤0.10％

N.D.

Assay(0.1N HCIO₄)

98.0~102.0%%

99.4%