13189-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13189-43-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13189-43:
(7*1)+(6*3)+(5*1)+(4*8)+(3*9)+(2*4)+(1*3)=100
100 % 10 = 0
So 13189-43-0 is a valid CAS Registry Number.
13189-43-0Relevant academic research and scientific papers
Method for synthesizing aromatic dichloromethyl ester
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Paragraph 0043; 0044; 0045, (2019/03/08)
The invention provides a method for synthesizing an aromatic dichloromethyl ester. The method comprises the following steps: based on readily available aromatic carboxylic acid, taking alkali as an additive, and efficiently synthesizing the aromatic dichl
