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170917-07-4

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170917-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170917-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,9,1 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 170917-07:
(8*1)+(7*7)+(6*0)+(5*9)+(4*1)+(3*7)+(2*0)+(1*7)=134
134 % 10 = 4
So 170917-07-4 is a valid CAS Registry Number.

170917-07-4Relevant articles and documents

Synthesis of enantiopure α'-amino α,β-epoxy ketones from α'-amino bromomethyl ketones

Barluenga, Jose,Baragana, Beatriz,Concellon, Jose M.,Pinera-Nicolas, Alejandro,Rosario Diaz,Garcia-Granda, Santiago

, p. 5048 - 5052 (1999)

Preparation of enantiomerically pure α'-amino α,β-epoxy ketones 2 in an efficient synthesis starting from α'-amino bromomethyl ketones 5 and the obtention of amino diepoxido 10a as synthetic application of 2 are described. We also report the generalization of the synthesis of 1-aminoalkyl halomethyl ketones to their bromo derivatives.

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