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Oxacyclododec-9-ene-2,8-dione, 4-hydroxy-12-[(1R)-1-hydroxyethyl]-3,5,7,11-tetramethyl-, (3R,4S,5S,7R,9E,11R,12R)- is a complex organic compound with a molecular formula of C17H28O5. It is a cyclic ketone with a hydroxyl group and an ethyl side chain, featuring a unique arrangement of four methyl groups at positions 3, 5, 7, and 11, and a double bond at position 9. The compound's stereochemistry is defined by the (3R,4S,5S,7R,9E,11R,12R) configuration, indicating the specific three-dimensional arrangement of its atoms. This molecule is of interest in the field of organic chemistry, potentially for its structural properties or as a precursor in the synthesis of more complex molecules.

497-51-8

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497-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497-51-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 497-51:
(5*4)+(4*9)+(3*7)+(2*5)+(1*1)=88
88 % 10 = 8
So 497-51-8 is a valid CAS Registry Number.

497-51-8Relevant academic research and scientific papers

Total synthesis of neomethymycin and novamethymycin

Oh, Hong-Se,Kang, Han-Young

experimental part, p. 4307 - 4317 (2010/07/09)

Total synthesis of neomethymycin and novamethymycin has been achieved. These two macrolides contains 12-membered macrolactones as aglycones and belong to the methymycin family of antibiotics, which appears in the pikromycin biosynthetic pathway. The segme

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