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C15H18N2O4S2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123420-33-7

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123420-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123420-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,2 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123420-33:
(8*1)+(7*2)+(6*3)+(5*4)+(4*2)+(3*0)+(2*3)+(1*3)=77
77 % 10 = 7
So 123420-33-7 is a valid CAS Registry Number.

123420-33-7Relevant academic research and scientific papers

Synthesis of 4-Oxo-3,4-dihydro-1H-thieno- and thienothiadiazine 2,2-Dioxides

Goya, Pilar,Lissavetzky, Jaime,Rozas, Isabel

, p. 280 - 282 (1989)

4-Oxo-3,4-dihydro-1H-thienothiadiazine 2,2-dioxide (3) has been synthesized in a two-step approach involving sulfamoylation of 3-amino-4-methoxycarbonylthiophene (1) and subsequent ring closure.A modification of this procedure, which involve

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