737797-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 737797-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,7,7,9 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 737797-28:
(8*7)+(7*3)+(6*7)+(5*7)+(4*9)+(3*7)+(2*2)+(1*8)=223
223 % 10 = 3
So 737797-28-3 is a valid CAS Registry Number.
InChI:InChI=1/C6H3F2.BrH.Zn/c7-5-3-1-2-4-6(5)8;;/h1,3-4H;1H;/q;;+1/p-1/rC6H3BrF2Zn/c7-10-4-1-2-5(8)6(9)3-4/h1-3H
737797-28-3Relevant academic research and scientific papers
Preparation method of fluorine-containing benzidine
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Paragraph 0194-0196, (2018/07/30)
The invention relates to the field of organic synthesis, in particular to a preparation method of fluorine-containing benzidine. The invention provides the preparation method of the fluorine-containing benzidine. The preparation method comprises the follo