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1073541-33-9

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1073541-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1073541-33-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,5,4 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1073541-33:
(9*1)+(8*0)+(7*7)+(6*3)+(5*5)+(4*4)+(3*1)+(2*3)+(1*3)=129
129 % 10 = 9
So 1073541-33-9 is a valid CAS Registry Number.

1073541-33-9Relevant academic research and scientific papers

A concise asymmetric total synthesis of aspidophytine

Nicolaou,Dalby, Stephen M.,Majumder, Utpal

supporting information; experimental part, p. 14942 - 14943 (2009/03/12)

An expedient asymmetric total synthesis of aspidophytine is reported. A highly convergent strategy involving the sequential annulation of vinyl iodide 5 with indole 6 exploits varying modes of indole reactivity to provide aspidophytine in 23% over six steps from 5. Copyright

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