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1445721-28-7

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1445721-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1445721-28-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,5,7,2 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1445721-28:
(9*1)+(8*4)+(7*4)+(6*5)+(5*7)+(4*2)+(3*1)+(2*2)+(1*8)=157
157 % 10 = 7
So 1445721-28-7 is a valid CAS Registry Number.

1445721-28-7Downstream Products

1445721-28-7Relevant articles and documents

Development of an imidazole salt catalytic system for the preparation of bis(indolyl) methanes and bis(naphthyl)methane

Wang, Xu,Aldrich, Courtney C.

, (2019/05/04)

Imidazolium salts are shown to catalyze the rapid room temperature reaction of indoles or naphthol with aldehydes to provide bis(indolyl)methanes or bis(naphthol)methane in excellent yields and the reaction proceeds optimally in dichloromethane with no base additives. The reaction exhibits a broad substrate tolerance and occurs through nucleophilic activation of the indoles and naphthols through a cation–π interaction.

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