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79819-61-7

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79819-61-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79819-61-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,1 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79819-61:
(7*7)+(6*9)+(5*8)+(4*1)+(3*9)+(2*6)+(1*1)=187
187 % 10 = 7
So 79819-61-7 is a valid CAS Registry Number.

79819-61-7Downstream Products

79819-61-7Relevant articles and documents

The Smiles Rearrangement of 2-Aryloxy-5-nitrophenoxides. Attempted Routes to Benzoxirens and Tribenzotrioxonins

Ramsden, Christopher A.

, p. 2456 - 2463 (2007/10/02)

Formation of dibenzo-p-dioxins by the pyrolysis of 2-halogenophenoxides does not appear to involve intermediate benzoxirens.Thermal self-condensation to potassium 2-bromo-5-nitrophenoxide (1b) gave a mixture of 2,7- and 2,8-dinitrobenzo-p-dioxins (6d) and (6e).The mechanism of formation of the 2,8-isomer (6e) is shown to involve Smiles rearrangement of potassium 2-(2-bromo-5-nitrophenoxy)-5-nitrophenoxide (9a).Further examples of Smiles rearrangements of 2-aryloxy-5-nitrophenoxides and an attempted synthesis of the tribenzotrioxonin derivatives (16) are described.

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