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56894-66-7

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56894-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56894-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,8,9 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56894-66:
(7*5)+(6*6)+(5*8)+(4*9)+(3*4)+(2*6)+(1*6)=177
177 % 10 = 7
So 56894-66-7 is a valid CAS Registry Number.

56894-66-7Relevant articles and documents

Ag-and Au-catalyzed addition of alcohols to ynimides: β-regioselective carbonylation and production of oxazoles

Sueda, Takuya,Kawada, Arisa,Urashi, Yumi,Teno, Naoki

supporting information, p. 1560 - 1563 (2013/06/26)

Metal-catalyzed reactions of ynimides with alcohols to afford β-ketoimides and oxazoles are demonstrated. The triple bond of ynamides is generally activated by mineral acids or metal salts to lead to the regioselective addition of nucleophiles at the α-C-

Oxadiazole benzoic acid derivatives as herbicides

-

, (2008/06/13)

New 2-(1,3,4-oxadiazole-2-yl) benzoic acids and salts and esters thereof, as well as certain 2-(2-oxazolyl) benzoic acids, salts and esters, having the formula: SPC1 Where X is nitrogen or C-R" (R" being hydrogen or methyl), R is phenyl or various substituents, and R' and the Y's are hydrogen or various substituents, are effective preemergence or postemergence herbicides, on various crops. The chemicals act selectively and are useful against purple nutsedge and in cranberry. Oxadiazoles of the invention may be made by reacting a benzhydrazide with phthalic anhydride to form a hydrazide which is cyclized by removal of the elements of water, using as a catalyst fuming sulfuric acid or dimethylformamide-sulfur trioxide complex.

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