4-Chloro-2,5-dimethyl-styrene is an organic chemical compound with the molecular formula C10H11Cl. It is a colorless to pale yellow liquid with a pungent odor. 4-chloro-2,5-dimethyl-styrene is characterized by the presence of a chlorine atom at the 4th carbon position, two methyl groups at the 2nd and 5th carbon positions, and a vinyl group at the 1st and 3rd carbon positions. It is synthesized through various methods, such as the Friedel-Crafts alkylation of chlorotoluene with propene. 4-Chloro-2,5-dimethyl-styrene is used as an intermediate in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactive nature, it is essential to handle 4-chloro-2,5-dimethyl-styrene with care, following proper safety protocols to minimize potential health and environmental risks.
The CAS Registry Mumber 1835-84-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,3 and 5 respectively; the second part has 2 digits, 8 and 4 respectively. Calculate Digit Verification of CAS Registry Number 1835-84: (6*1)+(5*8)+(4*3)+(3*5)+(2*8)+(1*4)=93 93 % 10 = 3 So 1835-84-3 is a valid CAS Registry Number.