2,2,3,6-Tetramethyl-tetrahydro-pyran is a cyclic organic compound with the molecular formula C10H20O. It is a colorless liquid with a density of 0.84 g/cm3 and a boiling point of 170-171°C. 2,2,3,6-tetramethyl-tetrahydro-pyran is a derivative of tetrahydro-pyran, featuring four methyl groups attached to the carbon atoms at positions 2, 2, 3, and 6. It is synthesized through various methods, such as the acid-catalyzed cyclization of 3,3,5,5-tetramethyl-4-hexen-2-ol. 2,2,3,6-Tetramethyl-tetrahydro-pyran is used as a synthetic intermediate in the preparation of various organic compounds, particularly in the synthesis of natural products and pharmaceuticals. It is also employed as a solvent and a reagent in organic chemistry. Due to its stability and reactivity, it plays a significant role in various chemical transformations and reactions.
The CAS Registry Mumber 4535-47-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,3 and 5 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 4535-47: (6*4)+(5*5)+(4*3)+(3*5)+(2*4)+(1*7)=91 91 % 10 = 1 So 4535-47-1 is a valid CAS Registry Number.