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342045-14-1

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342045-14-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 342045-14-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,0,4 and 5 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 342045-14:
(8*3)+(7*4)+(6*2)+(5*0)+(4*4)+(3*5)+(2*1)+(1*4)=101
101 % 10 = 1
So 342045-14-1 is a valid CAS Registry Number.

342045-14-1Relevant articles and documents

Synthesis and property studies of cyclotrisazobenzenes

Reuter, Raphael,Hostettler, Nik,Neuburger, Markus,Wegner, Hermann A.

supporting information; experimental part, p. 5647 - 5652 (2010/02/28)

Azobenzenophanes are fascinating macrocycles, which are of special interest due to their unique photochromic behavior. Cyclotrisazobenzenes 2 (R = H, Br, tBu) were prepared to probe how much strain the photoisomerization of the azobenzene motive can tolerate. The macrocycles were synthesized in an overall yield of 10-20% from oriho-phenylenediamine (6). Solid-state structures of cyclotrisazobenzenes 2a and 2b were obtained. Irradiation under various conditions did not induce any isomerization.

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