189338-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189338-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,3 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189338-39:
(8*1)+(7*8)+(6*9)+(5*3)+(4*3)+(3*8)+(2*3)+(1*9)=184
184 % 10 = 4
So 189338-39-4 is a valid CAS Registry Number.
189338-39-4Relevant academic research and scientific papers
Pyrazole derivatives and insecticidal compositions containing the derivative as active component
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, (2008/06/13)
A pyrazole derivative represented by the formula (1) is low in toxicity and persistence and yet has an extremely high insecticidal efficacy STR1 wherein A is CH, N or C-halogen atom, R1 is hydrogen atom, lower alkyl, lower haloalkyl, benzyl or
