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1346254-10-1

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1346254-10-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1346254-10-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,6,2,5 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1346254-10:
(9*1)+(8*3)+(7*4)+(6*6)+(5*2)+(4*5)+(3*4)+(2*1)+(1*0)=141
141 % 10 = 1
So 1346254-10-1 is a valid CAS Registry Number.

1346254-10-1Relevant articles and documents

Functional models for enzyme-substrate adducts of catechol dioxygenase enzymes: The Lewis basicity of facially coordinating tridentate phenolate ligands tunes the rate of dioxygenation and product selectivity

Visvaganesan, Kusalendiran,Ramachitra, Somasundaram,Palaniandavar, Mallayan

, p. 87 - 94 (2012/02/03)

A few iron(III) 3,5-di-tert-butylcatecholate (DBC2-) adducts of the type [Fe(L)(DBC)(CH3OH)], where L is a tridentate substituted monophenolate ligand such as 2-((N-benzylpyrid-2-ylmethylamino)methyl)phenol (H(L1)), 2-((N-benzylpyrid-2-ylmethylamino)-methyl)-4,6-dimethylphenol (H(L2)), 2-((N-benzylpyrid-2-ylmethylamino)methyl)-4,6-di-tert-butylphenol (H(L3)) and 2-((N-benzylpyrid-2-ylmethylamino)methyl)-4-nitrophenol (H(L4)), have been isolated and characterized by elemental and ESI-MS analysis. The spectral and electrochemical properties and dioxygenase activities of the adducts have been studied in methanol solution. Upon varying the substituents on the phenolate ring from electron-releasing to electron-withdrawing, the redox potential of DBSQ/DBC2- couple is shifted to a more positive value indicating an increase in covalency of iron(III)-catecholate bonds. All the complexes elicit cleavage of DBC2- using molecular oxygen to afford both intra- (I) and extradiol (E) cleavage products with the product selectivity (E/I) varying in the range 0.3-1.9. Interestingly, the incorporation of electron-withdrawing substituents facilitates the regioselective extradiol cleavage of catechol while that of electron-releasing substituents facilitate the regioselective intradiol cleavage.

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