4339-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4339-71-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4339-71:
(6*4)+(5*3)+(4*3)+(3*9)+(2*7)+(1*1)=93
93 % 10 = 3
So 4339-71-3 is a valid CAS Registry Number.
4339-71-3Relevant academic research and scientific papers
Synthesis method of piceatannol
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Paragraph 0021; 0039, (2016/10/10)
The present invention provides a synthesis method of piceatannol. The method comprises the following steps: reacting 3,5-dimethoxybenzyl alcohol with phosphorus oxychloride to obtain 3,5-dimethoxybenzyl chloride; adding the obtained 3,5-dimethoxybenzyl ch
