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87384-53-0

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87384-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87384-53-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,8 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87384-53:
(7*8)+(6*7)+(5*3)+(4*8)+(3*4)+(2*5)+(1*3)=170
170 % 10 = 0
So 87384-53-0 is a valid CAS Registry Number.

87384-53-0Downstream Products

87384-53-0Relevant articles and documents

The use of immobilized enzymes in organic synthesis. Part 8. Oxidation of 1-aryl-3-carbamoylpyridinium chlorides by rabbit liver aldehyde oxidase and bovine milk xanthine oxidase

Angelino, S. A. G. F.,Buurman, D. J.,Plas, H. C. van der,Mueller, F.

, p. 331 - 336 (2007/10/02)

Oxidation of 1-aryl-3-carbamoylpyridinium chlorides with immobilized rabbit liver aldehyde oxidase gave predominantly 1-aryl-1,6-dihydro-6-oxo-3-pyridinecarboxamides, together with the corresponding 1-aryl-1,4-dihydro-4-oxo-3-pyridinecarboxamides.In general, the site of oxidation by this enzyme is determined by steric factors.The rate of oxidation by free aldehyde oxidase is very sensitive to electronic effects.A more electron-withdrawing aryl substituent increases the reaction rate for oxidation to 6-oxo product.Consequently, a positive ρ value of about 3.6 was calculated for free aldehyde oxidase.Oxidation of these compounds by bovinr milk xanthine oxidase yielded mainly 4-oxo products.Preparative-scale reactions with both free and immobilized xanthine oxidase gave low product yields.The oxidation rate of free xanthine oxidase is only slightly affected by substituents in the aryl group.

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