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99873-50-4

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99873-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99873-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,7 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99873-50:
(7*9)+(6*9)+(5*8)+(4*7)+(3*3)+(2*5)+(1*0)=204
204 % 10 = 4
So 99873-50-4 is a valid CAS Registry Number.

99873-50-4Relevant articles and documents

Synthesis and biological evaluation of 4-arylcoumarins as potential anti-Alzheimer's disease agents

Miao, Yuhang,Sun, Jie,Wang, Xiaojing,Yang, Jie,Yun, Yinling

, (2020/01/03)

Alzheimer's disease (AD) is a progressive neurological degenerative disease that has complex pathogenesis. A variety of studies in humans indicate that several enzymes inhibitors can be useful in the treatment of AD, including acetylcholinesterase (AchE), butyrylcholinesterase (BuChE) and monoamine oxidase (MAO). Various substituted 4-arylcoumarin derivatives were synthesised, and their activity in vitro were investigated, including AChE/BuChE inhibitory activity, MAO inhibitory activity, and antioxidant activity. Most of the compounds were found to exhibit high inhibitory activity, and individual compounds have extremely excellent activities. Therefore 4-arylcoumarins provides an idea for drugs design for the development of therapeutic or preventive agents for AD.

An efficient bromination of alkenes using cerium(IV) ammonium nitrate (CAN) and potassium bromide

Nair, Vijay,Panicker, Sreeletha B,Augustine, Anu,George, Tesmol G,Thomas, Siji,Vairamani

, p. 7417 - 7422 (2007/10/03)

Bromination of alkenes using a combination of potassium bromide and cerium(iv) ammonium nitrate (CAN) in a two phase system consisting of water and dichloromethane affords the corresponding dibromides in excellent yield. The reaction most likely involves the addition of the bromine radical generated from bromide ion by CAN and subsequent formation of the dibromide.

Enolethers and their use as a fungicide

-

, (2008/06/13)

Enolethers and thioenolethers of formula I STR1 are disclosed. The compounds are useful for combatting phytopathogenic fungi.

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