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121102-63-4

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121102-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121102-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,0 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121102-63:
(8*1)+(7*2)+(6*1)+(5*1)+(4*0)+(3*2)+(2*6)+(1*3)=54
54 % 10 = 4
So 121102-63-4 is a valid CAS Registry Number.

121102-63-4Downstream Products

121102-63-4Relevant articles and documents

Synthetic method of furazolidone metabolite AOZ

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Paragraph 0028; 0031, (2020/07/13)

The invention discloses a preparation method of 3-amino-2-oxazolidinone (AOZ). The method comprises the following steps: 1) carrying out a reaction on ethylene glycol and PBr3 to obtain 2-bromoethanol; 2) in the presence of an alkali, carrying out a reaction on NH2NH2Boc and 2-bromoethanol to obtain Boc protected 2-hydrazinoethanol; 3) in the presence of an alkali, carrying out a reaction on Boc protected 2-hydrazinoethanol and diethyl carbonate to obtain Boc protected 3-amino-2-oxazolidinone; and 4) performing deprotection on the Boc group in the Boc protected 3-amino-2-oxazolidinone to obtain 3-amino-2-oxazolidinone. According to the method, the yield of AOZ in the synthesis process is obviously increased, and separation and purification are facilitated.

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