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107866-10-4

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107866-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107866-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,8,6 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 107866-10:
(8*1)+(7*0)+(6*7)+(5*8)+(4*6)+(3*6)+(2*1)+(1*0)=134
134 % 10 = 4
So 107866-10-4 is a valid CAS Registry Number.

107866-10-4Relevant articles and documents

The Photochemistry of 2-Acetoxynaphthalen-1(2H)-ones

Greenland, Harry,Pinhey, John P.,Sternhell, Sever

, p. 1789 - 1796 (2007/10/02)

The photochemistry of the 2-acetoxynaphthalen-1(2H)-ones (4), (13), (20), and (26) has been examined.In each case there was rapid formation of a mixture of products, which arose either by homolytic dissociation of the C-OAc bond of by rearrangement involving acetoxy group migration.Two types of rearrangement were observed.The first involved 1,2-acetoxy group with C(2)-C(4) bond formation to give the dihydrocyclopropindenones (7), (15), (22), and (28).This reaction, which is stereospecific, yields the endo-6-acetoxy isomer only, and it is thought to proceed by a concerted non-ionic pathway.The second rearrangement, which is believed to have an ionic mechanism, resulted in formation of 3-acetoxynaphthols from naphthalenones (4) and (26), and 4-acetoxynaphthols form naphthalenones (13) and (20), in which the 3-position is substituted.

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