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104449-90-3

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104449-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104449-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,4 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104449-90:
(8*1)+(7*0)+(6*4)+(5*4)+(4*4)+(3*9)+(2*9)+(1*0)=113
113 % 10 = 3
So 104449-90-3 is a valid CAS Registry Number.

104449-90-3Downstream Products

104449-90-3Relevant academic research and scientific papers

An Efficient Synthesis of α-Iodo Derivatives of Sulfones, Sulfoximines, and Phosphine Oxides

Imamoto, Tsuneo,Koto, Hiroyasu

, p. 982 - 983 (1985)

1-Iodoalkyl sulfones are prepared by conversion of alkyl sulfones into 1-sulfonylalkyltriethylalanates by reaction with butyllithium and triethylalane and subsequent reaction with iodine.The same method can be applied to the conversion of methyldiarylphos

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