But-3-enyl-malonic acid, also known as 3-butenylmalonic acid, is a chemical compound with the molecular formula C7H10O4. It is a derivative of malonic acid, featuring a but-3-enyl group (a four-carbon chain with a double bond between the second and third carbon atoms) attached to the malonyl moiety. This organic compound is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Its structure allows for a range of chemical reactions, including addition, substitution, and rearrangement, making it a versatile building block in organic chemistry.
The CAS Registry Mumber 2826-46-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,2 and 6 respectively; the second part has 2 digits, 4 and 6 respectively. Calculate Digit Verification of CAS Registry Number 2826-46: (6*2)+(5*8)+(4*2)+(3*6)+(2*4)+(1*6)=92 92 % 10 = 2 So 2826-46-2 is a valid CAS Registry Number.