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540737-38-0

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540737-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 540737-38-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,3 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 540737-38:
(8*5)+(7*4)+(6*0)+(5*7)+(4*3)+(3*7)+(2*3)+(1*8)=150
150 % 10 = 0
So 540737-38-0 is a valid CAS Registry Number.

540737-38-0Downstream Products

540737-38-0Relevant articles and documents

NOVEL COMPOUNDS FOR SELECTIVE HISTONE DEACETYLASE INHIBITORS, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME

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Paragraph 617; 618; 619, (2014/11/13)

The present invention relates to novel urea derivatives and, more particularly, to novel urea derivatives with histone deacetylase (HDAC) inhibitory activity, isomers thereof, pharmaceutically acceptable salts thereof, their use for the preparation of a medicaments comprising the same, a pharmaceutical composition comprising the same, a treatment method using the composition, and a method for preparing novel urea derivatives. The novel urea derivatives as selective histone deacetylase (HDAC) inhibitors are effective for the treatment of histone deacetylase-mediated diseases such as malignant tumors, inflammatory diseases, rheumatoid arthritis, neurodegeneration, etc.

Synthesis of N-benzyl- and N-phenyl-2-amino-4,5-dihydrothiazoles and thioureas and evaluation as modulators of the isoforms of nitric oxide synthase

Goodyer, Claire L. M.,Chinje, Edwin C.,Jaffar, Mohammed,Stratford, Ian J.,Threadgill, Michael D.

, p. 4189 - 4206 (2007/10/03)

Inhibition of the isoforms of nitric oxide synthase (NOS) has important applications in therapy of several diseases, including cancer. Using 1400W [N-(3-aminomethylbenzyl)acetamidine], thiocitrulline and N δ-(4,5-dihydrothiazol-2-yl)ornithine as lead compounds, series of N-benzyl- and N-phenyl-2-amino-4,5-dihydrothiazoles and thioureas were designed as inhibitors of NOS. Ring-substituted benzyl and phenyl isothiocyanates were synthesised by condensation of the corresponding amines with thiophosgene and addition of ammonia gave the corresponding thioureas in high yields. The substituted 2-amino-4,5-dihydrothiazoles were approached by two routes. Treatment of simple benzylamines with 2-methylthio-4,5-dihydrothiazole at 180 °C afforded the corresponding 2-benzylamino-4,5-dihydrothiazoles. For less nucleophilic amines and those carrying more thermally labile substituents, the 4,5-dihydrothiazoles were approached by acid-catalysed cyclisation of N-(2-hydroxyethyl)thioureas. This cyclisation was shown to proceed by an SN2-like process. Modest inhibitory activity was shown by most of the thioureas and 4,5-dihydrothiazoles, with N-(3-aminomethylphenyl)thiourea (IC50=13 μM vs rat neuronal NOS and IC50=23 μM vs rat inducible NOS) and 2-(3-aminomethylphenylamino)-4,5-dihydrothiazole (IC50=13 μM vs rat neuronal NOS and IC50=19 μM vs human inducible NOS) being the most potent. Several thioureas and 4,5-dihydrothiazoles were found to stimulate the activity of human inducible NOS in a time-dependent manner.

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