Trimethyl-3,4,4-isoxazolone-5, also known as trimethylisoxazolone or TMIO, is a chemical compound with the molecular formula C6H9NO2. It is a heterocyclic compound containing an isoxazolone ring, which is a five-membered ring with one oxygen and one nitrogen atom. TMIO is a colorless to pale yellow liquid with a pungent odor and is soluble in water, alcohol, and ether. It is primarily used as a synthetic intermediate in the production of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity, TMIO can undergo a range of chemical transformations, making it a versatile building block in organic synthesis.
The CAS Registry Mumber 15731-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,3 and 1 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 15731-98: (7*1)+(6*5)+(5*7)+(4*3)+(3*1)+(2*9)+(1*8)=113 113 % 10 = 3 So 15731-98-3 is a valid CAS Registry Number.