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1616493-84-5

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1616493-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1616493-84-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,4,9 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1616493-84:
(9*1)+(8*6)+(7*1)+(6*6)+(5*4)+(4*9)+(3*3)+(2*8)+(1*4)=185
185 % 10 = 5
So 1616493-84-5 is a valid CAS Registry Number.

1616493-84-5Downstream Products

1616493-84-5Relevant articles and documents

Highly efficient and generalized asymmetric synthesis of quaternary stereogenic carbon-containing β-amino indanones/indanoles via Mannich-type additions between 1-indanones and N-tert-butanesulfinylketimines

Wu, Lingmin,Xie, Chen,Mei, Haibo,Soloshonok, Vadim A.,Han, Jianlin,Pan, Yi

, p. 4620 - 4627 (2014/06/24)

Here we report that, unlike other ketones, 1-indanone and acetophenone derived enolates undergo Mannich-type addition reactions with N-tert-butanesulfinyl ketimines with excellent yields (up to 98%) and diastereoselectivity (>99/1). The resulting compounds represent a new type of biologically relevant β-aminoketone derivative bearing quaternary stereogenic carbon, which could be further converted into the corresponding β-amino ketones and β-amino alcohols, possessing three consecutive stereogenic centres. This journal is

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