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848653-50-9

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848653-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 848653-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,8,6,5 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 848653-50:
(8*8)+(7*4)+(6*8)+(5*6)+(4*5)+(3*3)+(2*5)+(1*0)=209
209 % 10 = 9
So 848653-50-9 is a valid CAS Registry Number.

848653-50-9Relevant articles and documents

Synthesis and biological activity of the tea catechin metabolites, M4 and M6 and their methoxy-derivatives

Lambert, Joshua D.,Rice, Joseph E.,Hong, Jungil,Hou, Zhe,Yang, Chung S.

, p. 873 - 876 (2007/10/03)

Syntheses are reported for metabolites M4 (1) and M6 (2) of the green tea polyphenols epicatechin (EC) and epigallocatechin (EGC) and their gallate derivatives. Several methoxy-derivatives of 1 and 2 were also prepared. Compounds 1 and 2 were evaluated for growth inhibitory activity against a panel of immortalized and malignant human cell lines with 1 being the more active compound. The possible antiinflammatory activity of 1 and its trimethoxy derivative was also evaluated. Neither compound inhibited the release of arachidonic acid, although 1 inhibited NO production by 50% at 20 μM.

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