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1028492-15-0

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1028492-15-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1028492-15-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,4,9 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1028492-15:
(9*1)+(8*0)+(7*2)+(6*8)+(5*4)+(4*9)+(3*2)+(2*1)+(1*5)=140
140 % 10 = 0
So 1028492-15-0 is a valid CAS Registry Number.

1028492-15-0Downstream Products

1028492-15-0Relevant articles and documents

A new silicon lewis acid for highly enantioselective Mannich reactions of aliphatic ketone-derived hydrazones

Notte, Gregory T.,Leighton, James L.

, p. 6676 - 6677 (2008/12/22)

The first general method for the highly enantioselective Mannich reaction of aliphatic ketimines is reported. A new, second generation chiral silane Lewis acid has been developed that promotes the reaction between ketone-derived hydrazones and silyl ketene acetals, providing the β,β-disubstituted β-amino esters with good enantioselectivity even for the hydrazone derived from 2-butanone (methyl vs ethyl, 91% ee). Several examples are provided, including a reaction with a substituted (propanoate-derived) silyl ketene acetal. Copyright

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