173159-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173159-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,1,5 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 173159-59:
(8*1)+(7*7)+(6*3)+(5*1)+(4*5)+(3*9)+(2*5)+(1*9)=146
146 % 10 = 6
So 173159-59-6 is a valid CAS Registry Number.
173159-59-6Relevant academic research and scientific papers
Processes for preparing aminophenylsulfonylureas, and intermediates therefor
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, (2008/06/13)
The invention relates to the preparation of compounds (I) in which A=H or acyl and R1, R21, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement of compounds (II) (optionally salt) to
