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22137-59-3

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22137-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22137-59-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,3 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22137-59:
(7*2)+(6*2)+(5*1)+(4*3)+(3*7)+(2*5)+(1*9)=83
83 % 10 = 3
So 22137-59-3 is a valid CAS Registry Number.

22137-59-3Relevant articles and documents

α-Glucosidase inhibition of 6-hydroxyflavones. Part 3: Synthesis and evaluation of 2,3,4-trihydroxybenzoyl-containing flavonoid analogs and 6-aminoflavones as α-glucosidase inhibitors

Gao, Hong,Kawabata, Jun

, p. 1661 - 1671 (2007/10/03)

The SAR studies suggested that the C-ring of baicalein (1) was not necessary for the activity, and validated the importance of 2,3,4- trihydroxybenzoyl structure of 1. Thus, a series of 2,3,4-trihydroxybenzoyl- containing flavonoid analogs were investigat

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