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100910-02-9

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100910-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100910-02-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,1 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 100910-02:
(8*1)+(7*0)+(6*0)+(5*9)+(4*1)+(3*0)+(2*0)+(1*2)=59
59 % 10 = 9
So 100910-02-9 is a valid CAS Registry Number.

100910-02-9Downstream Products

100910-02-9Relevant articles and documents

Michael Adducts of a Half-Blocked Enedione as Sources of 3-Substituted 2,5-Diketones and 2,5-Dialkylfurans

Mackay, Donald,Neeland, Edward G.,Taylor, Nicholas J.

, p. 2351 - 2361 (2007/10/02)

The dioxazolylbutenones 2a, formed by isomerization of the Diels-Alder adducts of 2,5-dimethylfuran with (nitrosocarbonyl)benzene , are efficient Michael acceptors of a wide variety of carbon and heteroatom nucleophiles.The resulting adducts 5 function as half-blocked 1,4-diones.They can be converted into the corresponding diketones 10 by hot aqueous EtOH or Pd-H2 or into the 3-substituted 2,5-dimethylfurans 19 by BF3, either directly or by way of 10.Hydroperoxide anion adds conjugatively to 2a to give the epoxide 23, but 1,2-addition is competitive and is followed by dioxazole ring opening to give a peroxy compound regarded as 21.The cycloaddition of 2,5-dialkylfurans and nitrosocompounds is general, but 2-methylfuran appears to add (although in poor yield) in the opposite mode, the adduct spontaneously isomerizing to the mono-O-benzoyloximino enedione 32.

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