Cas 57499-09-9,2'-hydroxy-3',4'-dimethoxy-4-(methoxymethoxy)chalcone

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Check Digit Verification of cas no

The CAS Registry Mumber 57499-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,9 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57499-09:
(7*5)+(6*7)+(5*4)+(4*9)+(3*9)+(2*0)+(1*9)=169
169 % 10 = 9
So 57499-09-9 is a valid CAS Registry Number.

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57499-09-9Relevant academic research and scientific papers

Convenient synthesis and physiological activities of flavonoids in Coreopsis lanceolata L. petals and their related compounds

Nakabo, Daisuke,Okano, Yuka,Kandori, Naomi,Satahira, Taisei,Kataoka, Naoya,Akamatsu, Junpei,Okada, Yoshiharu

, p. 1 - 25 (2018/07/31)

Chalcones, flavanones, and flavonols, including 8-methoxybutin isolated from Coreopsis lanceolata L. petals, were successfully synthesized with total yields of 2–59% from O-methylpyrogallols using the Horner–Wadsworth–Emmons reaction as a key reaction. Au

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