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4-Methyl-N,N-bis-{2-[2-(tetrahydro-pyran-2-yloxy)-ethoxy]-ethyl}-benzenesulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80639-60-7

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80639-60-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80639-60-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,3 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80639-60:
(7*8)+(6*0)+(5*6)+(4*3)+(3*9)+(2*6)+(1*0)=137
137 % 10 = 7
So 80639-60-7 is a valid CAS Registry Number.

80639-60-7Relevant academic research and scientific papers

Synthesis of a Cation Complexing Doubly N,N'-Bridged Bis-(1,7-dioxa-4,10-diazacyclododecane)

Calverley, Martin J.,Dale, Johannes

, p. 1084 - 1086 (1981)

Two molecules of diaza-12-crown-4 can be linked by two ethylene bridges between nitrogen atoms in two controlled steps, the last of which needs Li cation as a template, although Na cation is most strongly complexed by the tricyclic cryptand-like product.

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