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2,4-Pentadienoic acid, 5-(4-formylphenyl)-3-methyl-, ethyl ester, (E,E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87549-45-9

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87549-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87549-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,4 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87549-45:
(7*8)+(6*7)+(5*5)+(4*4)+(3*9)+(2*4)+(1*5)=179
179 % 10 = 9
So 87549-45-9 is a valid CAS Registry Number.

87549-45-9Relevant academic research and scientific papers

ON THE ABSORPTION MAXIMA OF PROTONATED AROMATIC RETINAL SCHIFF BASE. AN INTERACTION WITH NON-CONJUGATED POSITIVE CHARGE

Sheves, Mordechai,Rosenbach, Varda

, p. 525 - 528 (1984)

The absorption maxima of iminium salts of aromatic retinals are less affected by non-conjugated charge in the vicinity of the ring than iminium salts of retinals.

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