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1932-38-3

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1932-38-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1932-38-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,3 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1932-38:
(6*1)+(5*9)+(4*3)+(3*2)+(2*3)+(1*8)=83
83 % 10 = 3
So 1932-38-3 is a valid CAS Registry Number.

1932-38-3Relevant articles and documents

Synthesis method of substituted urea compound

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Paragraph 0034-0039; 0189-0194, (2021/03/31)

The invention discloses a synthesis method of a substituted urea compound, which comprises the following steps: stirring aldehyde, N-aryl urea, trichlorosilane and Lewis base in an organic solvent ata temperature range of -20 DEG C to room temperature for

Direct conversion of carboxylic acids to various nitrogen-containing compounds in the one-pot exploiting curtius rearrangement

Kumar, Arun,Kumar, Naveen,Sharma, Ritika,Bhargava, Gaurav,Mahajan, Dinesh

, p. 11323 - 11334 (2019/09/10)

Herein we report, a single-pot multistep conversion of inactivated carboxylic acids to various N-containing compounds using a common synthetic methodology. The developed methodology rendered the use of carboxylic acids as a direct surrogate of primary amines, for the synthesis of primary ureas, secondary/tertiary ureas, O/S-carbamates, benzoyl ureas, amides, and N-formyls, exploiting the Curtius reaction. This approach has a potential to provide a diversified library of N-containing compounds, starting from a single carboxylic acid, based on the selection of the nucleophile.

2-Oxo-1,2-dihydropyridinyl-3-yl amide-based GPa inhibitors: Design, synthesis and structure-activity relationship study

Loughlin, Wendy A.,Jenkins, Ian D.,Karis, N. David,Schweiker, Stephanie S.,Healy, Peter C.

, p. 1 - 14 (2016/02/18)

Glycogen phosphorylase (GP), which plays a crucial role in the conversion of glycogen to glucose-1-phosphate, is a target for therapeutic intervention in diabetes. In this study, we report the design and synthesis of 29 new derivatives of 2-oxo-1,2-dihydro pyridin-3-yl amides, as potential inhibitors of GP. The hit rate (45%) was high with 13 compounds inhibiting GPa (between 33% at 4.40 mM and an IC50 of 1.92 μM). Two lead compounds were identified as compounds exhibiting good GPa inhibition (IC50 = 2.1 and 1.92 μM). SAR analysis of these compounds revealed sensitivity of GPa to the length of the 2-oxo-1,2-dihydro pyridin-3-yl amide derivative and a preference for inclusion of a 3,4-dichlorobenzyl moiety.

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