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Phosphoric acid, diethyl 2-phenyl-1-[2-(trimethylsilyl)ethenyl]-1-propenyl ester, (E,E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67221-49-2

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67221-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67221-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,2 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67221-49:
(7*6)+(6*7)+(5*2)+(4*2)+(3*1)+(2*4)+(1*9)=122
122 % 10 = 2
So 67221-49-2 is a valid CAS Registry Number.

67221-49-2Relevant academic research and scientific papers

Formation and Reactivity of 1-Phosphoryl-1-(phosphoryloxy)allyl Anions and Related Compounds

Ahlbrecht, Hubertus,Farnung, Winfried,Simon, Herbert

, p. 2622 - 2643 (2007/10/02)

The formation of 1-heterosubstituted 1-phosphorylallyl anions of type 1A from the corresponding vinyl or allyl phosphonates is described.The reactivity in reactions with alkyl halides and carbonyl compounds is investigated.For preperative purposes neither

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