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1385731-25-8

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1385731-25-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1385731-25-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,5,7,3 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1385731-25:
(9*1)+(8*3)+(7*8)+(6*5)+(5*7)+(4*3)+(3*1)+(2*2)+(1*5)=178
178 % 10 = 8
So 1385731-25-8 is a valid CAS Registry Number.

1385731-25-8Downstream Products

1385731-25-8Relevant articles and documents

Formation of acridones by ethylene extrusion in the reaction of arynes with β-lactams and dihydroquinolinones

Fang, Yuesi,Rogness, Donald C.,Larock, Richard C.,Shi, Feng

experimental part, p. 6262 - 6270 (2012/09/22)

N-Unsubstituted β-lactams react with a molecule of aryne by insertion into the amide bond to form a 2,3-dihydroquinolin-4-one, which subsequently reacts with another molecule of aryne to form an acridone by extrusion of a molecule of ethylene. 2,3-Dihydroquinolin-4-ones react under the same reaction conditions to afford identical results. This is the first example of ethylene extrusion in aryne chemistry.

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