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2-Hexen-4-ynoic acid, ethyl ester, (2E)- is an organic compound with the chemical formula C8H10O2. It is a colorless liquid that is insoluble in water but soluble in organic solvents. 2-Hexen-4-ynoic acid, ethyl ester, (2E)- is characterized by a conjugated diene system with a triple bond, which gives it unique chemical properties. It is synthesized by the esterification of 2-hexen-4-ynoic acid with ethanol, and it is used in the fragrance industry to create natural, green, and fruity scents. The compound is also known for its potential applications in the synthesis of other organic compounds due to its reactive functional groups.

161890-26-2

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161890-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161890-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,8,9 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 161890-26:
(8*1)+(7*6)+(6*1)+(5*8)+(4*9)+(3*0)+(2*2)+(1*6)=142
142 % 10 = 2
So 161890-26-2 is a valid CAS Registry Number.

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