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269072-16-4

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269072-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 269072-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,9,0,7 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 269072-16:
(8*2)+(7*6)+(6*9)+(5*0)+(4*7)+(3*2)+(2*1)+(1*6)=154
154 % 10 = 4
So 269072-16-4 is a valid CAS Registry Number.

269072-16-4Relevant articles and documents

Imidazo[1,2-a]pyridine derivatives, methods of preparing the same and use thereof

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Paragraph 0155-0156, (2017/10/31)

The present invention relates to an imidazo[1,2-a]pyridine derivative, and more specifically, to an imidazo[1,2-a]pyridine derivative having excellent gastric acid secretion inhibitory activity, a method of preparing the same, and a use thereof. The imidazo[1,2-a]pyridine derivative according to the present invention has gastric acid secretion inhibitory activity, and can be usefully applied for preventing or treating gastrointestinal inflammatory diseases or gastric-related diseases.(AA) Control group(BB) Example 6(CC) Example 7(DD) Embodiment 11COPYRIGHT KIPO 2017

Optionally substituted pyrido[2,3-d]pyridine-2,4(1H,3H)-diones and pyrido[2,]pyrimidine-2(1H,3H)-ones

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, (2011/03/17)

The present invention relates to optionally substituted pyrido[2,3-d]pyrimidine-2,4(1H,3H)-diones or optionally substituted pyrido[2,3-d]pyrimidine-2(1H,3H)-ones, i.e., compounds of Formula I: STR1 wherein: Y is --CH2 -- or --C(O)--; R1 is hydrogen or --(CH2)n --R7, wherein: R7 is aryl or heteroaryl, and n is 1 or 2, provided that when Y is --C(O)--, R7 is heteroaryl; and R2, R3, R4, R5 and R6 are hydrogen, or one is selected from lower alkyl, halo, carboxy, methoxycarbonyl, carbamoyl, methylcarbamoyl, di-methylcarbamoyl, methylcarbonyl, methylthio, methylsulfinyl, methylsulfonyl, hydroxymethyl, amino, trifluoromethyl, cyano or nitro; or R2, R3, R4 and R5 are independently selected from hydrogen, lower alkyl, nitro, chloro, fluoro, methoxycarbonyl or methylcarbonyl, provided at least one is hydrogen, and R6 is hydrogen; or a pharmaceutically acceptable ester, ether or salt thereof.

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