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131602-93-2

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131602-93-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131602-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,0 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131602-93:
(8*1)+(7*3)+(6*1)+(5*6)+(4*0)+(3*2)+(2*9)+(1*3)=92
92 % 10 = 2
So 131602-93-2 is a valid CAS Registry Number.

131602-93-2Downstream Products

131602-93-2Relevant articles and documents

A Convenient and General Synthesis of 2-Aryl- and 2-Pyridyl-3-oxo-3,4-dihydro-2H-1,4-benzothiazines

Jacobsen, Niels,Kolind-Andersen, Hans

, p. 911 - 914 (1990)

The reaction of bis(2-aminophenyl) disulphide 1 with methyl or ethyl aryl- or pyridylacetates and sodium hydride gives the title compounds in good yield and high purity.The reaction is general, the starting materials easily available and the workup is simple and rapid.

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