401925-43-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401925-43-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,9,2 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 401925-43:
(8*4)+(7*0)+(6*1)+(5*9)+(4*2)+(3*5)+(2*4)+(1*3)=117
117 % 10 = 7
So 401925-43-7 is a valid CAS Registry Number.
401925-43-7Relevant articles and documents
PROCESS FOR PREPARING BENZOFURAN DERIVATIVES SUBSTITUTED AT POSITION 5
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, (2013/07/05)
The disclosure relates to a process for preparing benzofuran derivatives of general formula I: in which R, R1, and R2 are as defined in the disclosure; by coupling the hydroxylamine with a diketone of general formula III: in order to form an oxime that is then cyclized by heating in order to form the desired compound.
