4-Pentenoyl chloride, 4-methyl-, also known as 4-methyl-4-pentenoyl chloride, is an organic compound with the chemical formula C6H9ClO. It is a colorless liquid with a pungent odor and is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. 4-Pentenoyl chloride, 4-methyl- is characterized by its reactivity, as it contains a carbonyl chloride functional group, which makes it a valuable building block for the formation of esters, amides, and other derivatives. It is typically handled with care due to its potential to react with nucleophiles and its sensitivity to moisture and heat. The compound is also known for its potential to cause irritation to the eyes, skin, and respiratory system, necessitating proper safety measures during its use and storage.
The CAS Registry Mumber 1071-85-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,7 and 1 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1071-85: (6*1)+(5*0)+(4*7)+(3*1)+(2*8)+(1*5)=58 58 % 10 = 8 So 1071-85-8 is a valid CAS Registry Number.