72619-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72619-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,1 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72619-83:
(7*7)+(6*2)+(5*6)+(4*1)+(3*9)+(2*8)+(1*3)=141
141 % 10 = 1
So 72619-83-1 is a valid CAS Registry Number.
72619-83-1Relevant academic research and scientific papers
Preparation method of C-4-thio pyrazole compound
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Paragraph 0050, (2017/07/20)
The invention relates to a preparation method of a C-4-thio pyrazole compound. The C-4-thio pyrazole compound is prepared by taking dimethyl sulfoxide as an oxidizing agent and performing reaction between a pyrazolone compound and a thiol compound for 24