73571-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73571-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,7 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73571-20:
(7*7)+(6*3)+(5*5)+(4*7)+(3*1)+(2*2)+(1*0)=127
127 % 10 = 7
So 73571-20-7 is a valid CAS Registry Number.
73571-20-7Relevant articles and documents
3-Aryloxy-1-carboalkoxyethylpyridinium compounds and compositions
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, (2008/06/13)
3-Aryloxy-1-carboalkoxyethylpyridinium compounds, which are useful as pharmacological agents, especially as agents for the treatment of senility and reversal of amnesia, are disclosed. The compounds can be produced by reacting 3-aryloxypyridine with an al