72972-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72972-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,7 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72972-75:
(7*7)+(6*2)+(5*9)+(4*7)+(3*2)+(2*7)+(1*5)=159
159 % 10 = 9
So 72972-75-9 is a valid CAS Registry Number.
72972-75-9Relevant academic research and scientific papers
1,5-dicarbonyl derivative and preparation method thereof
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Paragraph 0039; 0042; 0046-0050, (2016/10/07)
The invention provides a synthesis method of a 1,5-dicarbonyl compound. According to the method, under the conditions of employing triethylamine as alkali, an ionic liquid [BMIM] PF6 as a solvent and lithium tetrafluoroborate as an adjuvant, a series of n