128121-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128121-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,2 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128121-17:
(8*1)+(7*2)+(6*8)+(5*1)+(4*2)+(3*1)+(2*1)+(1*7)=95
95 % 10 = 5
So 128121-17-5 is a valid CAS Registry Number.
128121-17-5Relevant academic research and scientific papers
Tricyclic 3-oxo-propanenitrile derivatives
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, (2008/06/13)
Compounds having the general formula (I) STR1 wherein X represents an oxygen atom or a --S(O)n --group, wherein n is zero, 1 or 2; R represents C1 -C6 alkyl, pyridyl or substituted or unsubstituted phenyl; R2, R
