1-Chlor-2-phenyl-but-1-en-3-on, also known as 1-chloro-2-phenylbut-1-en-3-one, is an organic compound with the chemical formula C10H9ClO. It is a derivative of 2-phenylbut-1-en-3-one, featuring a chlorine atom attached to the first carbon atom. This halogenated ketone is a colorless to pale yellow liquid with a strong, pungent odor. It is used as a synthetic intermediate in the production of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity, it is typically handled with care in a controlled environment to prevent unwanted side reactions or hazards.
The CAS Registry Mumber 5948-49-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,4 and 8 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 5948-49: (6*5)+(5*9)+(4*4)+(3*8)+(2*4)+(1*9)=132 132 % 10 = 2 So 5948-49-2 is a valid CAS Registry Number.