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Chemical Name:(-)-Praeruptorin A
CAS.NO:14017-71-1
Synonyms:(9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methyl-2-butenoate;2-Butenoic acid, 2-methyl-, (9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b’]dipyran-9-yl ester, (2Z)-;(9R,10R)-10-(acetyloxy)-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methylbut-2-enoate;(9R,10R)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methylbut-2-enoate;(-)-Praeruptorin A
Molecular Formula:C21H22O7
Molecular Weight:386.395
HS Code:
Physical and Chemical Properties:
Melting point:N/A
Boiling point:486.8±45.0 °C at 760 mmHg
Density:1.3±0.1 g/cm3
Index of Refraction:1.574
PSA:92.04000
Exact Mass:386.136566
LogP:4.18
Material Safety Information (Applicable for Hazard Chemicals)
RIDADR:
Packing Group:
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Related News: Chung also said South Korean citizens who had visited the province in the past 14 days should voluntarily quarantine themselves at home for two weeks after they arrive back into the country. (-)-Praeruptorin A manufacturer The death toll in China rose to at least 304. (-)-Praeruptorin A supplier The FDA also said that the labeling of the diagnostic, which comes in different versions, included performance claims that did not match up with results seen in clinical studies—and that the data Innova submitted for review “was identical to data previously provided by other manufacturers” in separate requests for emergency COVID authorizations, raising additional questions. (-)-Praeruptorin A vendor The national airlines of Egypt, Qatar and Saudi Arabia have halted flights to and from China. (-)-Praeruptorin A factory The FDA also said that the labeling of the diagnostic, which comes in different versions, included performance claims that did not match up with results seen in clinical studies—and that the data Innova submitted for review “was identical to data previously provided by other manufacturers” in separate requests for emergency COVID authorizations, raising additional questions.