103092-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103092-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,0,9 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103092-70:
(8*1)+(7*0)+(6*3)+(5*0)+(4*9)+(3*2)+(2*7)+(1*0)=82
82 % 10 = 2
So 103092-70-2 is a valid CAS Registry Number.
103092-70-2Relevant articles and documents
Preparation method of isoxazole derivative
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Paragraph 0108-0113, (2019/12/02)
The invention relates to a preparation method of an isoxazole derivative, which comprises the following steps of mixing an propargyl alcohol derivative, a halogen source, an acid and a solvent, and heating to react; adding the hydroxylamine into the react