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1293306-05-4

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1293306-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1293306-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,3,0 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1293306-05:
(9*1)+(8*2)+(7*9)+(6*3)+(5*3)+(4*0)+(3*6)+(2*0)+(1*5)=144
144 % 10 = 4
So 1293306-05-4 is a valid CAS Registry Number.

1293306-05-4Relevant academic research and scientific papers

A general synthetic approach to the amnesic shellfish toxins: Total synthesis of (-)-isodomoic acid B, (-)-isodomoic acid E and (-)-isodomoic acid F

Lemiere, Gilles,Sedehizadeh, Simon,Toueg, Julie,Fleary-Roberts, Nadia,Clayden, Jonathan

, p. 3745 - 3747 (2011/05/04)

The alkynylpyrrolidine 4 was made via a dearomatising cyclisation of an aromatic amide, and was elaborated by stannylcupration and palladium-catalysed coupling to achieve the first total synthesis of three members of the isodomoic acid family; the same alkyne can be envisaged as a precursor to several more of this class of amnesic shellfish toxins. The Royal Society of Chemistry.

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