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183871-25-2

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183871-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183871-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,7 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 183871-25:
(8*1)+(7*8)+(6*3)+(5*8)+(4*7)+(3*1)+(2*2)+(1*5)=162
162 % 10 = 2
So 183871-25-2 is a valid CAS Registry Number.

183871-25-2Downstream Products

183871-25-2Relevant academic research and scientific papers

Heterocycles LXXI. Sommelet and Kroehnke Reactions in the Series of 2,4'-Bisthiazoles

Simiti, I.,Oniga, O.

, p. 733 - 738 (1996)

The synthesis of some 4-formyl-2'-aryl-2,4'-bisthiazoles by the methods of Sommelet and Kroehnke is described.The Sommelet reaction attacts position 4 of the thiazolic ring. - Keywords: 2,4'-Bisthiazoles; Kroehnke; Sommelet; Nitrones

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