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1221900-23-7

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1221900-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221900-23-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,9,0 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1221900-23:
(9*1)+(8*2)+(7*2)+(6*1)+(5*9)+(4*0)+(3*0)+(2*2)+(1*3)=97
97 % 10 = 7
So 1221900-23-7 is a valid CAS Registry Number.

1221900-23-7Downstream Products

1221900-23-7Relevant academic research and scientific papers

Biomimetic syntheses from squalene-like precursors: Synthesis of ent- abudinol B and reassessment of the structure of muzitone

Boone, Matthew A.,Tong, Rongbiao,McDonald, Frank E.,Lense, Sheri,Cao, Rui,Hardcastle, Kenneth I.

, p. 5300 - 5308 (2010)

We achieved the stereoselective syntheses of two different structural patterns corresponding to the enantiomers of the marine natural products abudinol B and muzitone, by developing two-directional tandem biomimetic cyclizations of polyepoxides of squalene analogues in which one alkene was functionalized as an enolsilane. In the course of this work, we demonstrated that the structure of muzitone was misassigned.

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