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81038-28-0

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81038-28-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81038-28-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,3 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81038-28:
(7*8)+(6*1)+(5*0)+(4*3)+(3*8)+(2*2)+(1*8)=110
110 % 10 = 0
So 81038-28-0 is a valid CAS Registry Number.

81038-28-0Relevant articles and documents

Silver-mediated trifluoromethylation of aryldiazonium salts: Conversion of amino group into trifluoromethyl group

Wang, Xi,Xu, Yan,Mo, Fanyang,Ji, Guojing,Qiu, Di,Feng, Jiajie,Ye, Yuxuan,Zhang, Songnan,Zhang, Yan,Wang, Jianbo

supporting information, p. 10330 - 10333 (2013/08/23)

A novel strategy for aromatic trifluoromethylation by converting aromatic amino group into CF3 group is reported herein. This method, which can be considered as trifluoromethylation variation of the classic Sandmeyer reaction, uses readily available aromatic amines as starting materials and is performed under mild conditions.

Convenient synthesis of chiral tryptophan derivatives using Negishi cross-coupling

Tanaka, Minoru,Hikawa, Hidemasa,Yokoyama, Yuusaku

experimental part, p. 5897 - 5901 (2011/09/19)

A facile synthetic procedure for chiral tryptophan derivatives using Negishi cross-coupling reaction of serine-derived iodoalanine with 3-haloindole is described. The best result was obtained when the reaction of N-tosyl-3-bromoindole with N-Cbz-iodoalani

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