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37457-03-7

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37457-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37457-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,4,5 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 37457-03:
(7*3)+(6*7)+(5*4)+(4*5)+(3*7)+(2*0)+(1*3)=127
127 % 10 = 7
So 37457-03-7 is a valid CAS Registry Number.

37457-03-7Relevant articles and documents

Site-Selective Synthesis of Aryl Sulfides via Oxidative Aromatization of Cyclohexanones with Thiophenols

Xiao, Fuhong,Tang, Minli,Huang, Huawen,Deng, Guo-Jun

, p. 512 - 523 (2021/12/27)

We have introduced a metal-free facile access for the thiolation/aromatization of cyclohexanones with thiophenols to the corresponding aryl sulfides. The dehydroaromatic reaction of non-aromatic cyclohexanones proceeded smoothly using oxygen as a green oxidant.

Synthesis of multisubstituted cycloalkenes through carbomagnesiation of strained cycloalkynes

Hosoya, Takamitsu,Karaki, Fumika,Minami, Yasunori,Nishiyama, Yoshitake,Sakata, Yuki,Tamura, Yuya,Yoshida, Suguru

supporting information, p. 7147 - 7150 (2020/07/21)

An efficient synthetic method of seven- and six-membered cycloalkenes through the generation of strained cycloalkynes and following carbomagnesiation is described. Further bond formations of the resulting cycloalkenylmagnesium intermediates with a wide variety of electrophiles enabled us to prepare diverse cycloalkene derivatives including benzoxepine analogs having a fully substituted alkene structure.

Iodine-catalyzed efficient 2-arylsulfanylphenol formation from thiols and cyclohexanones

Liao, Yunfeng,Jiang, Pengcheng,Chen, Shanping,Qi, Hongrui,Deng, Guo-Jun

, p. 3302 - 3306 (2013/12/04)

A novel method for the formation of 2-arylsulfanylphenols from thiols and cyclohexanones is described. Iodine was used as an effective catalyst for this kind of transformation. Cyclohexanones were used as a phenol source via a dehydrogenation and tautomerization reaction.

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