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2-Ethyl-crotonic acid amide, also known as 2-ethylbutyrylamide, is an organic compound with the chemical formula C6H11NO. It is a derivative of butyric acid, featuring an amide functional group and an ethyl group attached to the second carbon. This colorless liquid is soluble in water and has a molecular weight of 113.16 g/mol. 2-Ethyl-crotonic acid amide is synthesized through the reaction of 2-ethylbutyric acid with ammonia or an amine, and it is used in the production of pharmaceuticals, agrochemicals, and other chemical intermediates. Its unique structure and properties make it a valuable compound in various chemical and industrial applications.

4411-91-0

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4411-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4411-91-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,1 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4411-91:
(6*4)+(5*4)+(4*1)+(3*1)+(2*9)+(1*1)=70
70 % 10 = 0
So 4411-91-0 is a valid CAS Registry Number.
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