1-Hydroxy-4-methyl-cyclohexane-1,4-dicarboxylic acid, also known as HMCD, is a chemical compound with the molecular formula C9H14O5. It is a white crystalline solid that is soluble in water and has a melting point of 155-160°C. HMCD is a derivative of cyclohexane, with a hydroxyl group at the 1-position and a methyl group at the 4-position. The compound is characterized by two carboxylic acid groups attached to the 1 and 4 carbon atoms, which contribute to its acidic properties. HMCD is used in various applications, including as a chelating agent, a complexing agent in metal extraction, and as a precursor in the synthesis of other organic compounds. Its unique structure and properties make it a valuable compound in the field of organic chemistry and industrial applications.
The CAS Registry Mumber 6555-78-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,5 and 5 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 6555-78: (6*6)+(5*5)+(4*5)+(3*5)+(2*7)+(1*8)=118 118 % 10 = 8 So 6555-78-8 is a valid CAS Registry Number.