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144704-79-0

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144704-79-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144704-79-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,0 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 144704-79:
(8*1)+(7*4)+(6*4)+(5*7)+(4*0)+(3*4)+(2*7)+(1*9)=130
130 % 10 = 0
So 144704-79-0 is a valid CAS Registry Number.

144704-79-0Downstream Products

144704-79-0Relevant articles and documents

The invention of radical reactions. Part XXV. A convenient method for the synthesis of the acyl derivatives of N-hydroxypyridine-2-thione

Barton,Samadi

, p. 7083 - 7090 (1992)

Treatment of the readily available di-N-oxide - of 2-thiopyridine disulfide 6 with tributylphosphine in the presence of a carboxylic acid provides a convenient and high yielding synthesis of the acyl derivatives 2 of N-hydroxy-2-thio-pyridone. Application of this procedure to the acids 17 and 18 gave, after irradiation in the presence of t-butylthill, the desired decarboxylated derivatives in high (>90%) yield.

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