321309-26-6 Usage
General Description
5-Methyl-4-isoxazolesulfonyl chloride, also known as isoxazole-5-sulfonyl chloride, is a chemical compound with the molecular formula C4H4ClNO2S. It is a colorless to pale yellow liquid and is a valuable intermediate in the synthesis of pharmaceuticals, agrochemicals, and other organic compounds. 5-Methyl-4-isoxazolesulfonyl chloride is used as a reagent in the preparation of sulfonamides and isoxazolines, which have diverse applications in the pharmaceutical and agricultural industries. It is also a versatile building block for the synthesis of various heterocyclic compounds with potential biological activity. In addition, this compound is known for its high reactivity and must be handled and stored with caution due to its potential for hazardous reactions and effects.
Check Digit Verification of cas no
The CAS Registry Mumber 321309-26-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,3,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 321309-26:
(8*3)+(7*2)+(6*1)+(5*3)+(4*0)+(3*9)+(2*2)+(1*6)=96
96 % 10 = 6
So 321309-26-6 is a valid CAS Registry Number.
InChI:InChI=1/C4H4ClNO3S/c1-3-4(2-6-9-3)10(5,7)8/h2H,1H3