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104975-89-5

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104975-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104975-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,9,7 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 104975-89:
(8*1)+(7*0)+(6*4)+(5*9)+(4*7)+(3*5)+(2*8)+(1*9)=145
145 % 10 = 5
So 104975-89-5 is a valid CAS Registry Number.

104975-89-5Downstream Products

104975-89-5Relevant articles and documents

Synthesis of 2,6-Diazabicyclooctane-3,5-dione Derivatives and 2(1H)-Pyridinones. - A Contribution to the Regiochemistry and Stereospecifity of 1,4-Dipolar Cycloaddition Reactions of Pyrimidinium-4-olates to Electron-rich and Electron-poor Alkenes

Gotthardt, Hans,Blum, Joachim

, p. 109 - 114 (2007/10/02)

The pyrimidinium-4-olates of type 1 combine with enol ethers, enamines, ketene acetals, 1,4-dihydro-1,4-epoxynaphthalene, dimethyl fumarate, or dimethyl maleate to produce 2,6-diazabicyclooctane-3,5-diones 2, 3, 5, 7, 9, 17-19, whereas the reaction

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