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40141-13-7

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40141-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40141-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,4 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40141-13:
(7*4)+(6*0)+(5*1)+(4*4)+(3*1)+(2*1)+(1*3)=57
57 % 10 = 7
So 40141-13-7 is a valid CAS Registry Number.

40141-13-7Relevant articles and documents

Structure-activity relationship (SAR) studies on the mutagenic properties of 2,7-diaminofluorene and 2,7-diaminocarbazole derivatives

Kim, Byeong Wook,Lee, Hwa,Keum, Gyochang,Kim, B. Moon

supporting information, (2020/11/27)

We discovered that 2,7-diaminofluorene or 2,7-diaminocarbazole moiety can be employed as a core structure of highly effective NS5A inhibitors that are connected through amide bonds to proline-valine-carbamate motifs. Amide bonds can be easily cleaved via various metabolic pathways upon administration into the body, and metabolites containing 2,7-diaminofluorene and 2,7-diaminocarbazole core structures have been known to be strong mutagens. To avoid the mutagenesis issue of these core structures, we examined various functional groups at the C9 or N9 position of 2,7-diaminofluorene or 2,7-diaminocarbazole, respectively, through the Ames test in TA98 and TA100 mutants of Salmonella typhimurium LT-2. We discovered that, through proper alkyl substitution at the C9 or N9 position, 2,7-diaminofluorene and 2,7-diaminocarbazole moieties can be successfully employed in drug discovery without necessarily causing mutagenicity problems.

Amphiphilic dendritic dipeptides and their self-assembly into helical pores

-

Page/Page column 45, (2008/06/13)

An amphiphilic dendritic dipeptide, comprises a dipeptide(s) comprising one or more of a naturally occurring or synthetic amino acids and a dendron. These are suitable for use in various formulations, films, coatings, membranes and sensors, among other ap

Synthesis and characterization of end-functionalized oligo- (vinylthiophenes) with liquid crystal properties

Maertens, Christophe,Zhang, Jian-Xin,Dubois, Philippe,Jerome, Robert

, p. 713 - 718 (2007/10/03)

A general scheme for the synthesis of end-functionalized conjugated (E)-vinylthiophene oligomers with liquid crystal and potential second-order non-linear optical properties is described. These push-pull thiophene-containing aromatic molecules show mesogenic properties over different temperature ranges depending on the chain length and the functional end-groups.

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