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83553-48-4

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83553-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83553-48-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,5 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83553-48:
(7*8)+(6*3)+(5*5)+(4*5)+(3*3)+(2*4)+(1*8)=144
144 % 10 = 4
So 83553-48-4 is a valid CAS Registry Number.

83553-48-4Relevant articles and documents

Tandem photoarylation-photoisomerization of halothiazoles: Synthesis, photophysical and singlet oxygen activation properties of ethyl 2-arylthiazole-5-carboxylates

Amati, Mario,Belviso, Sandra,D'Auria, Maurizio,Lelj, Francesco,Racioppi, Rocco,Viggiani, Licia

experimental part, p. 3416 - 3427 (2010/08/20)

The photochemical reaction between ethyl 2-chlorothiazole5-carboxylate and benzene gave no product. In contrast, the reaction with ethyl 2-iodothiazole-5-carboxylate gave ethyl 3-phenylisothiazole-4-carboxylate. The same behaviour was observed if the reac

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