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1440943-36-1

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1440943-36-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1440943-36-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,9,4 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1440943-36:
(9*1)+(8*4)+(7*4)+(6*0)+(5*9)+(4*4)+(3*3)+(2*3)+(1*6)=151
151 % 10 = 1
So 1440943-36-1 is a valid CAS Registry Number.

1440943-36-1Downstream Products

1440943-36-1Relevant articles and documents

Asymmetric (4+3) cycloadditions of enantiomerically enriched epoxy enolsilanes

Lo, Brian,Lam, Sarah,Wong, Wing-Tak,Chiu, Pauline

supporting information, p. 12120 - 12123 (2013/01/16)

A f(oxy) allyl: The intermolecular (4+3) cycloaddition of enantiomerically enriched epoxy enolsilanes produces cycloadducts with up to 99 % ee, thus implying the reaction does not proceed by the putative achiral oxyallyl cation intermediate, but through a transiently chiral electrophile which retains the stereochemical information of the epoxide (see scheme; TES=triethylsilyl, Tf=trifluoromethanesulfonyl). Copyright

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