5431-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5431-34-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,3 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5431-34:
(6*5)+(5*4)+(4*3)+(3*1)+(2*3)+(1*4)=75
75 % 10 = 5
So 5431-34-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H6ClO3P/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,(H2,8,9,10)
5431-34-5Relevant articles and documents
Based on Grignard reaction phenyl phosphonic acid trimethoxy silane preparation method
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Paragraph 0020, (2017/02/09)
The invention discloses a grignard reaction-based method for preparing phenylphosphonic acid trimethoxy silane. The method comprises the following steps: 1) adding dry magnesium powder and iodine to an absolute ether under water-free and oxygen-free condi