71589-38-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71589-38-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,8 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 71589-38:
(7*7)+(6*1)+(5*5)+(4*8)+(3*9)+(2*3)+(1*8)=153
153 % 10 = 3
So 71589-38-3 is a valid CAS Registry Number.
71589-38-3Relevant articles and documents
A azole amide preparation method of the compound
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Paragraph 0019-0021; 0025-0027; 0065-0066, (2018/04/27)
A preparation method of an azole-series amide compound. The invention discloses a method including a reaction that the azole-series amide is synthesized from a carboxylic acid compound and an azole compound with a copper salt as a catalyst and molecular o