57552-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57552-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,5,5 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57552-43:
(7*5)+(6*7)+(5*5)+(4*5)+(3*2)+(2*4)+(1*3)=139
139 % 10 = 9
So 57552-43-9 is a valid CAS Registry Number.
57552-43-9Relevant academic research and scientific papers
8-Alkylpyrido[3,4-d]pyridazines
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, (2008/06/13)
Novel 8-alkylpyrido[3,4-d]pyridazines of the formula: STR1 wherein R1 stands for a lower alkyl group; R2 stands for a cyclic amino group, or pharmaceutically acceptable salts thereof, have excellent diuretic activity in mammals inclu
