Dibromo-1,1-ethyliden-3-dimethyl-2,2-cyclopropan, also known as 1,1-dibromo-3,3-dimethyl-2-ethylidenecyclopropane, is a halogenated cyclopropane derivative. This organic compound consists of a three-carbon cyclopropane ring with two bromine atoms attached to the first carbon and a methylidene group (CH2) on the second carbon. Additionally, two methyl groups are attached to the third carbon. The compound has the molecular formula C5H8Br2 and a molar mass of approximately 217.92 g/mol. It is a colorless liquid with a pungent odor and is used in various chemical reactions and as an intermediate in the synthesis of other organic compounds. Due to its reactivity and potential health hazards, it is essential to handle Dibromo-1,1-ethyliden-3-dimethyl-2,2-cyclopropan with proper safety measures and precautions.
The CAS Registry Mumber 5239-75-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,3 and 9 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 5239-75: (6*5)+(5*2)+(4*3)+(3*9)+(2*7)+(1*5)=98 98 % 10 = 8 So 5239-75-8 is a valid CAS Registry Number.