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1493774-32-5

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1493774-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1493774-32-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,3,7,7 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1493774-32:
(9*1)+(8*4)+(7*9)+(6*3)+(5*7)+(4*7)+(3*4)+(2*3)+(1*2)=205
205 % 10 = 5
So 1493774-32-5 is a valid CAS Registry Number.

1493774-32-5Downstream Products

1493774-32-5Relevant articles and documents

Deconstructive di-functionalization of unstrained, benzo cyclic amines by C-N bond cleavage using a recyclable tungsten catalyst

Zhang, Yujing,Sun, Shuai,Su, Yijin,Zhao, Jian,Li, Yong-Hong,Han, Bo,Shi, Feng

supporting information, p. 4970 - 4974 (2019/05/29)

With H2WO4 as the catalyst and H2O2 as the oxidant, we herein report a deconstructive difunctionalization of the C-N bond in unstrained, benzo cyclic amines to generate an ester group and nitro group simultaneously. The preliminary mechanistic studies suggested that the corresponding hydroxamic acid is the key intermediate for this transformation. Importantly, with the utilization of this transformation, we achieved an interesting approach for the ring contraction of quinoline to indole, an example of scaffold hopping in a hetero-aromatic system.

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