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918157-98-9

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918157-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 918157-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,8,1,5 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 918157-98:
(8*9)+(7*1)+(6*8)+(5*1)+(4*5)+(3*7)+(2*9)+(1*8)=199
199 % 10 = 9
So 918157-98-9 is a valid CAS Registry Number.

918157-98-9Relevant articles and documents

Study of the green tea polyphenols catechin-3-gallate (CG) and epicatechin-3-gallate (ECG) as proteasome inhibitors

Wan, Sheng Biao,Chen, Di,Dou, Q. Ping,Chan, Tak Hang

, p. 3521 - 3527 (2004)

The green tea polyphenol catechin-3-gallate (CG) and epicatechin-3-gallate (ECG) were synthesized enantioselectively via a Sharpless hydroxylation reaction followed by a diastereoselective cyclization. Their potencies to inhibit the proteasome activity were measured. The unnatural enantiomers were found to be equally potent to the natural compounds.

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