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2-Chlor-pent-2-ensaeure-phenylester, also known as phenyl 2-chloropent-2-enoate, is an organic compound with the chemical formula C11H11ClO2. It is a colorless to pale yellow liquid with a fruity odor. 2-Chlor-pent-2-ensaeure-phenylester is formed by the esterification of phenol with 2-chloropent-2-enoic acid, which is a halogenated derivative of pent-2-enoic acid. It is used as a synthetic intermediate in the production of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity and potential applications, it is important to handle 2-Chlor-pent-2-ensaeure-phenylester with care, following proper safety protocols.

1769-49-9

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1769-49-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1769-49-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,6 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1769-49:
(6*1)+(5*7)+(4*6)+(3*9)+(2*4)+(1*9)=109
109 % 10 = 9
So 1769-49-9 is a valid CAS Registry Number.

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