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955117-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 955117-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,5,1,1 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 955117-18:
177 % 10 = 7
So 955117-18-7 is a valid CAS Registry Number.

955117-18-7Downstream Products

955117-18-7Relevant articles and documents

Rational design and synthesis of highly potent anti-acetylcholinesterase activity huperzine A derivatives

Yan, Jian,Sun, Lirong,Wu, Guisheng,Yi, Ping,Yang, Fumei,Zhou, Lin,Zhang, Xianmin,Li, Zhongrong,Yang, Xiaosheng,Luo, Huairong,Qiu, Minghua

supporting information; experimental part, p. 6937 - 6941 (2009/12/24)

By targeting multi-active sites of acetylcholinesterase (AChE), a series of huperzine A (Hup A) derivatives with various aromatic ring groups were designed and synthesized by Schiff reaction. They were evaluated as AChE and butyrylcholinesterase (BChE) in



Page/Page column 16-17, (2009/04/23)

Compounds represented by the Formula I or salts, hydrates thereof, wherein R1, R8, R11 and R12 are H or C1-4 hydrocarbonyl respectively; R2, R3, R6 and R7 are H, halogen or C1-4 hydrocarbonyl respectively; R4 is C1-6 hydrocarbonyl or Ar; or =CR4R3 is cyclopentylidene, cyclohexylidene, 1-methylpiperidyl-4-idene or indenyl-1-idene; R5 is H, 1-4 same or different F, Cl, Br, CF3, R9, OR9, NR9R10, NO2, CN, COOR9, O2CR9, CONR9R10, NR9C(O)R10, heterocyclic, aryl or groups represented by the Formula II respectively; R9 and R10 are H or C1-6 hydrocarbonyl; Ar is aromatic ring; m is 0, 1 or 2; n is 0, 1, 2, 3 or 4, for treating mammal pain, functional painful syndrome, organic painful syndrome or tissue painful syndrome, and their preparation method.

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