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54988-93-1

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54988-93-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54988-93-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,8 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54988-93:
(7*5)+(6*4)+(5*9)+(4*8)+(3*8)+(2*9)+(1*3)=181
181 % 10 = 1
So 54988-93-1 is a valid CAS Registry Number.

54988-93-1Downstream Products

54988-93-1Relevant articles and documents

Allylic Phosphorus Ylides Directly Generated from Alcohols with Water as the only Byproduct

Xie, Peizhong,Fu, Weishan,Wu, Ying,Cai, Xinying,Sun, Zuolian,Li, Shuangshuang,Gao, Cuiqing,Yang, Xiaobo,Loh, Teck-Peng

supporting information, p. 4168 - 4172 (2019/06/17)

A novel strategy for the preparation of allylic phosphorus ylides directly from Morita-Baylis-Hillman (MBH) alcohols in an environmentally benign manner was developed. With the assistance of a calcium catalyst, the SN2′ process between phosphin

2,3-Dichloro-5,6-dicyano-para-benzoquinone (DDQ)/methanesulfonic acid (MsOH)-mediated intramolecular arene-alkene oxidative coupling

Kim, Ko Hoon,Lim, Cheol Hee,Lim, Jin Woo,Kim, Jae Nyoung

supporting information, p. 697 - 704 (2014/04/03)

An efficient intramolecular arene-alkene oxidative coupling of 1,4-diaryl-1,3-butadienes has been developed involving the use of a 2,3-dichloro-5,6-dicyano-para-benzoquinone (DDQ)/acid catalyst. The reaction involves the generation of a radical cation by abstraction of an electron from the substrate with DDQ, an intramolecular Friedel-Crafts-type reaction, and the loss of hydrogen radical.

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