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1428338-98-0

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1428338-98-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428338-98-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,3,3 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1428338-98:
(9*1)+(8*4)+(7*2)+(6*8)+(5*3)+(4*3)+(3*8)+(2*9)+(1*8)=180
180 % 10 = 0
So 1428338-98-0 is a valid CAS Registry Number.

1428338-98-0Downstream Products

1428338-98-0Relevant articles and documents

Synthesis of Di- and Triarylmethanes through Palladium-Catalyzed Reductive Coupling of N -Tosylhydrazones and Aryl Bromides

Xia, Yamu,Hu, Fangdong,Xia, Ying,Liu, Zhenxing,Ye, Fei,Zhang, Yan,Wang, Jianbo

, p. 1073 - 1086 (2017/02/24)

A palladium-catalyzed reductive coupling between N-tosylhydrazones and aryl bromides has been developed. The reaction provides an efficient method for the synthesis of diarylmethanes and triarylmethanes via the formation of C(sp2)-C(sp3) single bonds. This new methodology for the synthesis of diarylmethanes and triarylmethanes is featured by the ready availability of the starting materials, mild reaction conditions, and the tolerance of wide range of functional groups. The reaction follows a pathway including palladium carbene formation, migratory insertion, and reduction of the alkylpalladium(II) intermediate.

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