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1084693-20-8

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1084693-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1084693-20-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,4,6,9 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1084693-20:
(9*1)+(8*0)+(7*8)+(6*4)+(5*6)+(4*9)+(3*3)+(2*2)+(1*0)=168
168 % 10 = 8
So 1084693-20-8 is a valid CAS Registry Number.

1084693-20-8Upstream product

1084693-20-8Downstream Products

1084693-20-8Relevant articles and documents

Recent developments in the chemistry of heteroaromatic N -oxides

Wang, Youliang,Zhang, Liming

, (2015/02/19)

Selected developments in the chemistry of heteroaromatic N-oxides since 2001 are presented in this review. The use of these N-oxides, both in late-transition-metal-catalyzed oxidations of carbon-carbon triple bonds and in regioselective C-H functionalizations of the heteroarene, are contemporary topics of interest and the focus of the discussion. 1 Introduction 2 Synthesis of Heteroaromatic N-Oxides 2.1 Direct Oxidation of Hindered Heteroarenes 2.2 Through Construction of Heteroaromatic Rings 3 Heteroaromatic N-Oxides as Oxidants 3.1 Alkyne Oxidation 3.2 Allene Oxidation 3.3 Carbene Oxidation 4 Heteroaromatic N-Oxides as Substrates 4.1 Deoxygenative ortho-C-H Functionalization with Prior Activation 4.2 Deoxygenative ortho-C-H Functionalization with Nonstabilized Carbanions 4.3 Nondeoxygenative C-H Functionalization 4.3.1 ortho-C-H Functionalization 4.3.2 N-Oxide Directed ortho-Alkyl C-H Functionalization 4.3.3 N-Oxide Directed Remote C-H Functionalization 4.4 1,3-Dipolar Cycloaddition 5 Conclusion and Outlook.

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