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1415903-26-2

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1415903-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1415903-26-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,9,0 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1415903-26:
(9*1)+(8*4)+(7*1)+(6*5)+(5*9)+(4*0)+(3*3)+(2*2)+(1*6)=142
142 % 10 = 2
So 1415903-26-2 is a valid CAS Registry Number.

1415903-26-2Relevant academic research and scientific papers

On the proposed structures and stereocontrolled synthesis of the cephalosporolides

Tlais, Sami F.,Dudley, Gregory B.

, p. 1287 - 1292 (2012/09/22)

The synthesis of four candidate stereoisomers of cephalosporolide H is described, made possible by a zinc-chelation strategy for controlling the stereochemistry of oxygenated 5,5-spiroketals. The same strategy likewise enables the first stereocontrolled synthesis of cephalosporolide E, which is typically isolated and prepared admixed with its spiroketal epimer, cephalosporolide F.

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