37704-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37704-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,0 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 37704-89:
(7*3)+(6*7)+(5*7)+(4*0)+(3*4)+(2*8)+(1*9)=135
135 % 10 = 5
So 37704-89-5 is a valid CAS Registry Number.
37704-89-5Relevant academic research and scientific papers
Process for producing 4-benzoylpyrazoles
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, (2008/06/13)
4-Benzoyl-5-hydroxypyrazoles useful as herbicidal active ingredients or their intermediate are produced by a condensation of a pyrazolone and a benzotrichloride followed by a hydrolysis reaction with industrial advantages.