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1353640-13-7

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1353640-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1353640-13-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,6,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1353640-13:
(9*1)+(8*3)+(7*5)+(6*3)+(5*6)+(4*4)+(3*0)+(2*1)+(1*3)=137
137 % 10 = 7
So 1353640-13-7 is a valid CAS Registry Number.

1353640-13-7Downstream Products

1353640-13-7Relevant articles and documents

Synthesis and characterization of 2,3,9,10-tetradendronized pentacene

Tajima, Tomoyuki,Yamakawa, Akio,Fukuda, Keitaro,Hayashi, Yuuki,Nakano, Masahiko,Takaguchi, Yutaka

, p. 1622 - 1624 (2012)

A new pentacene dendrimer was synthesized in 81% yield through the aromatization of a dihydropentacene derivative having benzyl ether dendrons at the C2, C3, C9, and C10 positions. The dendrimer is very soluble in various organic solvents such as toluene, benzene, chloroform, dichloromethane, acetone, and ethyl acetate. The half-life of the dendrimer reaches 22.4min upon photoirradiation in air. Interestingly, regiospecific [4 + 2] cycloaddition reactions proceeded at the central ring of the pentacene.

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