Cas 21422-01-5,Benzaldehyde, 2,4-dihydroxy-3,5-bis(3-methyl-2-butenyl)-

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Check Digit Verification of cas no

The CAS Registry Mumber 21422-01-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,2 and 2 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21422-01:
(7*2)+(6*1)+(5*4)+(4*2)+(3*2)+(2*0)+(1*1)=55
55 % 10 = 5
So 21422-01-5 is a valid CAS Registry Number.

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21422-01-5Relevant academic research and scientific papers

Synthetic methods for Gramniphenols F and G, Cicerfuran, Morunigrol C and its Derivative

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Paragraph 0017; 0018, (2017/07/11)

The present invention relates to a method for preparing natural benzofurans including gramniphenol F, gramniphenol G, morunigrol C and 3andprime;,5andprime;-di-O-methyl analogues thereof and cicerfuran by using 2,4-dihydroxybenzaldehyde, 5-bromoresorcinol and sesamol. In the method according to the present invention, region-selective prenylation, Ramirez gem-dibromo olefination, Miyaura borylation and Suzuki coupling are used. In addition, the compounds were determined for anti-inflammatory effects through a test for production of nitrogen oxide in liposaccharide-induced RAW-264.7 macrophages. All of the compounds show weak to medium (16-42%) inhibitory activities, are not toxic and have an IC_50 value of 9.1 to 25.2 andmu;M.COPYRIGHT KIPO 2017

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