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150125-90-9

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150125-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 150125-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,0,1,2 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 150125-90:
(8*1)+(7*5)+(6*0)+(5*1)+(4*2)+(3*5)+(2*9)+(1*0)=89
89 % 10 = 9
So 150125-90-9 is a valid CAS Registry Number.

150125-90-9Relevant articles and documents

Synthesis of Chiral Diaza-18-crown-6 Derivatives from Optically Active Diethanolamines

Vries, Erik F. J. de,Steenwinkel, Pablo,Brussee, Johannes,Kruse, Chris G.,Gen, Arne van der

, p. 4315 - 4325 (2007/10/02)

Homotopic 1,10-diaza-18-crown-6 derivatives with two, four, and six chiral centers have been prepared in optically active form from diethanolamines via a cyclization reaction with tosylates 39 and 48.The requisite optically active diethanolamines were prepared from chiral cyanohydrins and chiral ethanolamines by a one-pot Grignard-transimination-reduction or a one-pot reduction-transimination-reduction procedure.Yields were strongly affected by the size of the substituents α to the nitrogen atom.The stereoselectivity of the diethanolamine synthesis was found to depend on the configuration of the ethanolamine used.

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