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900136-68-7

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900136-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 900136-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,1,3 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 900136-68:
(8*9)+(7*0)+(6*0)+(5*1)+(4*3)+(3*6)+(2*6)+(1*8)=127
127 % 10 = 7
So 900136-68-7 is a valid CAS Registry Number.

900136-68-7Downstream Products

900136-68-7Relevant articles and documents

Synthesis of heterocycles from arylation products of unsaturated compounds: XVIII. 5-Arylfuran-2-carboxylic acids and their application in the synthesis of 1,2,4-thiadiazole, 1,3,4-oxadiazole, and [1,2,4]triazolo[3,4-b][1,3,4] thiadiazole derivatives

Gorak,Obushak,Matiichuk,Lytvyn

experimental part, p. 541 - 550 (2009/08/17)

Arylation of furan-2-carboxylic acid or its methyl ester with arenediazonium chlorides in the presence of copper(II) chloride gave the corresponding 5-arylfuran-2-carboxylic acids or methyl 5-arylfuran-2- carboxylates. 5-Arylfuran-2-carbonyl chlorides rea

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