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019675 Physcion CAS: 521-61-9

Specifications
References
CAS Number
521-61-9
Grade
Highly Purified
Molecular Formula
C16H12O5
Molecular Weight
284.26
EU Commodity Code
38220090
Shipping Temp
Blue Ice
Storage Temp
-20°C

A natural anthraquinone derivative, on the infection process of Blumeria graminis on wheat. Physcion is one of the important active ingredients of ethanol extract from the roots of Chinese rhubarb (Rheum officinale) for controlling powdery mildew.

Atmosphere: Inert gas
Form
Yellow Solid
Melting Point
195-202°C
Solubility
Chloroform, Ethyl acetate
Method for Determining Identity: Proton NMR (CDCl3) and MS
TLC Condiitons: SiO2; Hexane:Ethyl Acetate: Acetic Acid (6:3:0.1). Visualized with UV and AMCS; Rf=0.65.
Storage and Stability
Store under inert atmosphere at -20°C. For maximum recovery of product, centrifuge the original vial and prior to removing the cap.
Source
Synthetic
Purity
~95%
Form
Dark yellow solid
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards
 All products should be handled by qualified personnel only, trained in laboratory procedures.
References
Thiericke, R., et al.: Nat. Prod. Rep.,10, 265 (1993),
USBio References
No references available
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