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40638-92-4

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40638-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40638-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,3 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40638-92:
(7*4)+(6*0)+(5*6)+(4*3)+(3*8)+(2*9)+(1*2)=114
114 % 10 = 4
So 40638-92-4 is a valid CAS Registry Number.

40638-92-4Relevant articles and documents

Isotopic Labeling Studies of the Thermal Rearrangement of Phenyloxirane to Phenylethanal

Roberts, Royston M.,Elrod, Louis W.

, p. 3732 - 3735 (1981)

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Nickel-Catalyzed Electrochemical Reductive Relay Cross-Coupling of Alkyl Halides to Aryl Halides

Fang, Ping,Jiao, Ke-Jin,Liu, Dong,Ma, Hong-Xing,Mei, Tian-Sheng,Qiu, Hui

supporting information, p. 6520 - 6524 (2020/01/24)

A highly regioselective Ni-catalyzed electrochemical reductive relay cross-coupling between an aryl halide and an alkyl halide has been developed in an undivided cell. Various functional groups are tolerated under these mild reaction conditions, which pro

A Method for Bischler-Napieralski-Type Synthesis of 3,4-Dihydroisoquinolines

Min, Lin,Yang, Weiguang,Weng, Yunxiang,Zheng, Weiping,Wang, Xinyan,Hu, Yuefei

supporting information, p. 2574 - 2577 (2019/04/30)

A new method for the Bischler-Napieralski-type synthesis of 3,4-dihydroisoquinolines was developed by a Tf2O-promoted tandem annulation from phenylethanols and nitriles. Its success was mainly due to the fact that a phenonium ion was formed in the process and practically functioned as a stable and reactive primary phenylethyl carbocation.

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