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259653-65-1

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259653-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 259653-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,5 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 259653-65:
(8*2)+(7*5)+(6*9)+(5*6)+(4*5)+(3*3)+(2*6)+(1*5)=181
181 % 10 = 1
So 259653-65-1 is a valid CAS Registry Number.

259653-65-1Relevant articles and documents

Synthesis and acetylcholinesterase inhibitory activity of huperzine A - E2020 combined compound

Zeng, Fanxing,Jiang, Hualiang,Zhai, Yufeng,Zhang, Haiyan,Chen, Kaixian,Ji, Ruyun

, p. 3279 - 3284 (1999)

The synthesis of huperzine-E2020 combined compound (3) has been accomplished and the activities of 3 and the intermediates 12 and 13 to inhibit the activity of acetylcholinesterase have been measured. Conformation analyses and molecular docking studies of

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