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1166391-13-4

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1166391-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1166391-13-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,6,3,9 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1166391-13:
(9*1)+(8*1)+(7*6)+(6*6)+(5*3)+(4*9)+(3*1)+(2*1)+(1*3)=154
154 % 10 = 4
So 1166391-13-4 is a valid CAS Registry Number.

1166391-13-4Relevant articles and documents

Methyl caffeate as an α-glucosidase inhibitor from solanum torvum fruits and the activity of related compounds

Takahashi, Keisuke,Yoshioka, Yasuyuki,Kato, Eisuke,Katsuki, Shigeki,Iida, Osamu,Hosokawa, Keizo,Kawabata, Jun

, p. 741 - 745 (2010)

In screening experiments for rat intestinal α-glucosidase (sucrase and maltase) inhibitors in 325 plants cultivated in Japan's southern island, of Tanegashima, marked inhibition against both sucrase and maltase was found in the extract of the fruit of Solanum torvum. Enzyme-assay guided fractionation of the extract led to the isolation of methyl caffeate (1) as a rat intestinal sucrase and maltase inhibitor. We examined 13 caffeoyl derivatives for sucrase- and maltase-inhibitory activities. The results showed that methyl caffeate (1) had a most favorable structure for both sucrase and maltase inhibition, except for a higher activity of methyl 3,4,5-trihydroxycinnamate (14) against sucrase. Its moderate inhibitory action against α-glucosidase provides a prospect for antidiabetic usage of S. torvum fruit.

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