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405154-52-1

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405154-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 405154-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,1,5 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 405154-52:
(8*4)+(7*0)+(6*5)+(5*1)+(4*5)+(3*4)+(2*5)+(1*2)=111
111 % 10 = 1
So 405154-52-1 is a valid CAS Registry Number.

405154-52-1Downstream Products

405154-52-1Relevant articles and documents

Transformation of anionically activated trifluoromethyl groups to heterocycles under mild aqueous conditions

Qiao, Jennifer X.,Wang, Tammy C.,Hu, Carol,Li, Jianqing,Wexler, Ruth R.,Lam, Patrick Y. S.

supporting information; experimental part, p. 1804 - 1807 (2011/06/19)

The (hetero)aromatic trifluoromethyl group is present in many biologically active molecules and is generally considered to be chemically stable. In this paper, a convenient one-step synthesis of C-C linked aryl-heterocycles or heteroaryl-heterocycles in good to excellent yields via the reaction of anionically activated trifluoromethyl groups with amino nucleophiles containing a second NH, OH, or SH nucleophile in 1 N sodium hydroxide is reported. The method has high functional group tolerability and is potentially useful in parallel synthesis.

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