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1041185-08-3

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1041185-08-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1041185-08-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,1,1,8 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1041185-08:
(9*1)+(8*0)+(7*4)+(6*1)+(5*1)+(4*8)+(3*5)+(2*0)+(1*8)=103
103 % 10 = 3
So 1041185-08-3 is a valid CAS Registry Number.

1041185-08-3Downstream Products

1041185-08-3Relevant articles and documents

Tandem Friedel-Crafts annulation to novel perylene analogues

Penick, Mark A.,Mahindaratne, Mathew P. D.,Gutierrez, Robert D.,Smith, Terrill D.,Tiekink, Edward R. T.,Negrete, George R.

, p. 6378 - 6381 (2008)

(Chemical Equation Presented) Novel dialkyloxy- and dihydroxyoctahydroperylenes are regioselectively available via a new tandem Friedel-Crafts alkylation of tetrahydronaphthalene precursors followed by oxidative aromatization. Heating of 5-alkyloxy-1-tetralol with p-toluenesulfonic acid in sulfolane gave the corresponding octahydroperylenes in moderate yields. Studies with Lewis acids and tetralin-1,5-diol in acetonitrile at room temperature provided the 4,10-dihydroxy analogue cleanly, albeit in reduced yields. Examples of these new series of perylene analogues were partially oxidized to the corresponding contiguously aromatic, anthracene core products or fully aromatized to 3,9-dialkyloxyperylenes in good yields.

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