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89581-48-6

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89581-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89581-48-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,8 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89581-48:
(7*8)+(6*9)+(5*5)+(4*8)+(3*1)+(2*4)+(1*8)=186
186 % 10 = 6
So 89581-48-6 is a valid CAS Registry Number.

89581-48-6Relevant articles and documents

Synthesis of Mercapturic Acid Derivatives of Putative Toxic Metabolites of Bromobenzene

Hanzlik, Robert P.,Weller, Paul E.,Desai, Jayant,Zheng, Jiang,Hall, Larry R.,Slaughter, Donald E.

, p. 2736 - 2742 (2007/10/02)

The synthesis and characterization of nine isomerically defined S-arylmercapturic acids of interest in connection with the metabolism of the model hepatotoxin bromobenzene is described.Included are three S-(bromophenyl)-, two S-(bromohydroxyphenyl)-, and three S-(bromodihydroxyphenyl)mercapturic acids of defined substitution pattern.In addition, several related compounds with two or no bromine atoms are described.These syntheses depend on two basic methods, 1,4-addition of various arene thiols to acetamidoacrylic acid or the 1,4-addition of N-acetyl-L-cysteine to various benzoquinone derivatives.In addition, we describe a method for efficient conversion of the mercapturic acids to thioanisole derivatives, regioisomers of which can be separed and detected at low levels by capillary gas-liquid chromatography.

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