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404595-10-4

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404595-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 404595-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,5,9 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 404595-10:
(8*4)+(7*0)+(6*4)+(5*5)+(4*9)+(3*5)+(2*1)+(1*0)=134
134 % 10 = 4
So 404595-10-4 is a valid CAS Registry Number.

404595-10-4Downstream Products

404595-10-4Relevant articles and documents

The total synthesis of both enantiomers of the macrocyclic lactone zearalane

Bracher,Krauss

, p. 4701 - 4704 (2007/10/03)

A straightforward approach to both enantiomers of zearalane is described from the enantiomerically pure alkenol (S)-4, prepared by a kinetic enzymatic resolution of the racemate. The key step is a Pd-catalyzed cross-coupling of an arene trifluoromethanesulfonate with a 9-alkyl-9-borabicyclo-[3.3.1]nonane derivative. The two enantiomers 2a and 2b have been obtained in an enantiodivergent manner by macrolactonization of the hydroxy acid (S)-7 with either Gerlach's modification of the Corey lactonization or a Mitsunobu lactonization.

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