"Lithium, [4-(1-methylethenyl)phenyl]-" is a chemical compound with the molecular formula C11H12Li. It is an organometallic compound, which means it contains a carbon-metal bond, in this case, between lithium and the phenyl group. Lithium, [4-(1-methylethenyl)phenyl]- is also known as 4-(1-methylvinyl)phenyllithium or 4-(1-methylethenyl)phenyllithium. It is a colorless liquid at room temperature and is sensitive to air and moisture. The compound is used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through coupling reactions. Due to its reactivity, it is typically handled under an inert atmosphere, such as nitrogen or argon, to prevent unwanted side reactions.
The CAS Registry Mumber 7647-00-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,4 and 7 respectively; the second part has 2 digits, 0 and 0 respectively. Calculate Digit Verification of CAS Registry Number 7647-00: (6*7)+(5*6)+(4*4)+(3*7)+(2*0)+(1*0)=109 109 % 10 = 9 So 7647-00-9 is a valid CAS Registry Number.