2,3-dichloro-4,5-dimethyl-styrene is an organic compound with the chemical formula C10H10Cl2. It is a derivative of styrene, featuring two chlorine atoms at the 2nd and 3rd carbon positions, and two methyl groups at the 4th and 5th carbon positions. 2,3-dichloro-4,5-dimethyl-styrene is characterized by its aromatic structure, with a vinyl group (C=C) attached to a benzene ring. It is used in the synthesis of various chemicals and materials, such as polymers and pharmaceuticals, due to its unique reactivity and properties. The presence of chlorine atoms and methyl groups influences its chemical behavior, making it a versatile building block in organic chemistry.
The CAS Registry Mumber 1928-04-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,2 and 8 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 1928-04: (6*1)+(5*9)+(4*2)+(3*8)+(2*0)+(1*4)=87 87 % 10 = 7 So 1928-04-7 is a valid CAS Registry Number.