2-{1-[6,6-Dimethyl-2-oxo-6H-pyran-(3E)-ylidene]-ethyl}-benzoic acid methyl ester is a complex organic compound with the molecular formula C18H18O5. It is characterized by a benzoic acid core, with a methyl ester group attached to the carboxylic acid functionality. The molecule also features a 6,6-dimethyl-2-oxo-6H-pyran ring, which is part of a larger conjugated system that includes a 3E-ylidene group, indicating a specific geometric isomerism. 2-{1-[6,6-Dimethyl-2-oxo-6H-pyran-(3E)-ylidene]-ethyl}-benzoic acid methyl ester is likely to be found in the realm of synthetic organic chemistry, potentially used in the synthesis of pharmaceuticals, dyes, or other specialty chemicals due to its unique structural features.
The CAS Registry Mumber 1585-51-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,8 and 5 respectively; the second part has 2 digits, 5 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1585-51: (6*1)+(5*5)+(4*8)+(3*5)+(2*5)+(1*1)=89 89 % 10 = 9 So 1585-51-9 is a valid CAS Registry Number.
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