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75693-19-5

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75693-19-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75693-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,9 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75693-19:
(7*7)+(6*5)+(5*6)+(4*9)+(3*3)+(2*1)+(1*9)=165
165 % 10 = 5
So 75693-19-5 is a valid CAS Registry Number.

75693-19-5Relevant articles and documents

AuCl3-Catalyzed Ring-Closing Carbonyl–Olefin Metathesis

Wang, Rui,Chen, Yi,Shu, Mao,Zhao, Wenwen,Tao, Maoling,Du, Chao,Fu, Xiaoya,Li, Ao,Lin, Zhihua

supporting information, p. 1941 - 1946 (2020/02/11)

Compared with the ripeness of olefin metathesis, exploration of the construction of carbon–carbon double bonds through the catalytic carbonyl–olefin metathesis reaction remains stagnant and has received scant attention. Herein, a highly efficient AuCl3-catalyzed intramolecular ring-closing carbonyl–olefin metathesis reaction is described. This method features easily accessible starting materials, simple operation, good functional-group tolerance and short reaction times, and provides the target cyclopentenes, polycycles, benzocarbocycles, and N-heterocycle derivatives in good to excellent yields.

Catalytic asymmetric intermolecular bromoesterification of unfunctionalized olefins

Li, Lijun,Su, Cunxiang,Liu, Xiaoqin,Tian, Hua,Shi, Yian

, p. 3728 - 3731 (2014/08/05)

An asymmetric intermolecular bromoesterification of unfunctionalized olefins catalyzed by (DHQD)2PHAL is described. Optically active bromoesters can be obtained with up to 92% ee.

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