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119020-88-1

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119020-88-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119020-88-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,0,2 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 119020-88:
(8*1)+(7*1)+(6*9)+(5*0)+(4*2)+(3*0)+(2*8)+(1*8)=101
101 % 10 = 1
So 119020-88-1 is a valid CAS Registry Number.

119020-88-1Relevant articles and documents

N-(α-Amidoalkyl)benzotriazole-mediated synthesis of β′-amido β-diketones: a general synthetic protocol for N-[β-(3,5-di and 1,3,5-trisubstituted pyrazol-4-yl)alkyl] amides

?elik, Ilhami,Kani?kan, Nevin,K?kten, ?ule

body text, p. 328 - 335 (2009/04/06)

Various β′-amido-β-diketones were first synthesized with N-(α-amidoalkyl)benzotriazole-mediated amidoalkylation of 1,3-diketones in moderate yields. These intermediates undergo rapid condensation with hydrazines to give the corresponding N-[β-(3,5-di and

N-(1-Benzotriazol-1-ylalkyl)amides, Versatile α-Amidoalkylation Reagents. 1. α-Amidoalkylation of CH Acids

Katritzky, Alan R.,Pernak, Juliusz,Fan, Wei-Qiang,Saczewski, Franciszek

, p. 4439 - 4443 (2007/10/02)

N-(1-Benzotriazol-1-ylalkyl)amides 2, easily prepared from an amide and an aldehyde with benzotriazole, react smoothly with CH acids under mild conditions to give the α-amidoalkylation products in good yields.Benzotriazole aminals also react with CH acids in the presence of methyl iodide.

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