(3aR,4R,6aR)-2-Amino-4-ethyl-6-oxo-3a,4,6,6a-tetrahydro-furo[3,4-b]furan-3-carboxylic acid methyl ester is a complex organic compound with the molecular formula C9H13NO4. It is a derivative of furan, a heterocyclic aromatic organic compound consisting of a five-membered ring with four carbon atoms and one oxygen atom. The compound features a 3a,4,6,6a-tetrahydro-furo[3,4-b]furan core, with a 2-amino group, a 4-ethyl group, and a 6-oxo group. The carboxylic acid group is esterified with a methyl group, resulting in a methyl ester. This chemical is known for its potential applications in pharmaceuticals and as a synthetic intermediate in the preparation of various biologically active compounds. Its specific stereochemistry, indicated by the (3aR,4R,6aR) configuration, is crucial for its reactivity and potential interactions with biological targets.
The CAS Registry Mumber 76311-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,3,1 and 1 respectively; the second part has 2 digits, 8 and 4 respectively. Calculate Digit Verification of CAS Registry Number 76311-84: (7*7)+(6*6)+(5*3)+(4*1)+(3*1)+(2*8)+(1*4)=127 127 % 10 = 7 So 76311-84-7 is a valid CAS Registry Number.