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2,2,4-Trimethyl-5-oxo-hexanoic acid methyl ester is an organic compound with the chemical formula C10H18O3. It is a derivative of hexanoic acid, featuring a methyl ester group, three methyl groups, and a ketone functional group. This colorless liquid is soluble in organic solvents and has a molecular weight of 186.25 g/mol. It is synthesized through the esterification of 2,2,4-trimethyl--5oxo-hexanoic acid with methanol, and it is used as a chemical intermediate in the production of various pharmaceuticals, fragrances, and flavorings. Due to its reactivity, it is sensitive to heat and moisture, and should be stored in a cool, dry place away from direct sunlight.

84557-67-5

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84557-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84557-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,5 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84557-67:
(7*8)+(6*4)+(5*5)+(4*5)+(3*7)+(2*6)+(1*7)=165
165 % 10 = 5
So 84557-67-5 is a valid CAS Registry Number.

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