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120589-81-3

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120589-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120589-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,5,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 120589-81:
(8*1)+(7*2)+(6*0)+(5*5)+(4*8)+(3*9)+(2*8)+(1*1)=123
123 % 10 = 3
So 120589-81-3 is a valid CAS Registry Number.

120589-81-3Relevant articles and documents

Synthesis and aldose reductase inhibitory activity of N-1,N-4-disubstituted 3,4-dihydro-2(1H)-quinoxalinone derivatives

Sarges,Lyga

, p. 1475 - 1479 (1988)

Synthetic routes have been developed for the preparation of 4-acylated, 4-benzenesulfonylated, and 4-methylated 3,4-dihydro-2(1H)-quinoxalinone-1-acetic acids. One example of the corresponding propionic acid has also been made. These compounds have been evaluated for their ability to inhibit bovine lens aldose reductase in vitro. Some members from this series also show weak activity in vivo, inhibiting sorbitol formation in sciatic nerves of streptozotocin-diabetic rats.

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