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105074-45-1

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105074-45-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105074-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,0,7 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 105074-45:
(8*1)+(7*0)+(6*5)+(5*0)+(4*7)+(3*4)+(2*4)+(1*5)=91
91 % 10 = 1
So 105074-45-1 is a valid CAS Registry Number.

105074-45-1Downstream Products

105074-45-1Relevant articles and documents

Synthesis and Properties of Some 7-Dimethylamino-1,4-benzoxazin-2-ones

Bris, Marie-Therese

, p. 1275 - 1280 (2007/10/02)

The synthesis of the 7-dimethylamino-1,4-benzoxazin-2-ones (5), fluorescent dyes, by condensing α-ketoacids with 2-amino-5-dimethylaminophenol is described.When the 3-substituent is a methyl group, these compounds can be further condensed with aromatic aldehydes to provide the styryl dyes (6).These products are easily opened by hydrochloric acid in ethanolic solution to afford the corresponding benzalketoacid ethyl esters (7).

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