Quinonoids

Quinonoids are naturally occurring compounds in plants.

Quinonoid substances are primary reference standards with certified absolute purity.

Considering: 

  • chromatographic purity
  • moisture
  • residual solvents
  • inorganic impurities

 

Quinonoids
Name Cas No
Cryptotanshinone35825-57-1
Dihydrotanshinone I87205-99-0
Tanshinone I568-73-0
Tanshinone IIA568-72-9
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