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1257318-75-4

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1257318-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1257318-75-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,7,3,1 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1257318-75:
(9*1)+(8*2)+(7*5)+(6*7)+(5*3)+(4*1)+(3*8)+(2*7)+(1*5)=164
164 % 10 = 4
So 1257318-75-4 is a valid CAS Registry Number.

1257318-75-4Downstream Products

1257318-75-4Relevant academic research and scientific papers

Chirally organized oligothiophenes: Towards modeling interchain interactions within π-conjugated systems

Cornelis, David,Verbiest, Thierry,Koeckelberghs, Guy

, p. 10963 - 10967 (2010)

(Figure Presented) Interchain modeling: A model is proposed to compare the strength of the interaction between two conjugated oligomers (see graphic). It consists of probing changes in the angle between the parts of a binaphthalene hinge, invoked by the interaction between the oligomers. This allows the strength of the interaction between any set of oligomers to be compared or changes in the interactions upon oxidation or deprotonation to be monitored.

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