Cyclopropane, 2-bromo-1,1-dimethyl-3-methylene-, also known as 2-bromo-1,1-dimethyl-3-methylenecyclopropane, is a halogenated cyclopropane derivative with the chemical formula C5H7Br. This organic compound features a cyclopropane ring, which is a three-membered carbon ring, with a bromine atom attached to the second carbon and a methylidene group (a carbon atom with a double bond to another carbon) on the third carbon. Additionally, there are two methyl groups attached to the first carbon. Cyclopropane, 2-bromo-1,1-dimethyl-3-methylene- 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 important to handle this substance with care and proper safety measures.
The CAS Registry Mumber 5239-70-3 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 0 respectively. Calculate Digit Verification of CAS Registry Number 5239-70: (6*5)+(5*2)+(4*3)+(3*9)+(2*7)+(1*0)=93 93 % 10 = 3 So 5239-70-3 is a valid CAS Registry Number.