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2,2''''-Bis-bromomethyl-[1,2';1',1'';3'',1''';2''',1'''']quinquephenyl is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

343858-59-3

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343858-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 343858-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,8,5 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 343858-59:
(8*3)+(7*4)+(6*3)+(5*8)+(4*5)+(3*8)+(2*5)+(1*9)=173
173 % 10 = 3
So 343858-59-3 is a valid CAS Registry Number.

343858-59-3Downstream Products

343858-59-3Relevant academic research and scientific papers

New Helical Hydrocarbons, V. Double Clamped Pentaphenylenicenes

Hammerschmidt, Erich,Voegtle, Fritz

, p. 3550 - 3556 (2007/10/02)

The synthesis and properties of the pentaphenylenicenes 3 and 4 clamped singly in the 2,2''''- and twice in the 2,4''''; 4,2''''-positions, are reported.Spectroscopic results lead to the assumption of helically wound hydrocarbon skeletons.In the course of the synthesis of the bis-sulfide 11 a symmetric isomer (11b) apart from a helical one (11a) seems to be formed.

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