254097-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 254097-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,0,9 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 254097-52:
(8*2)+(7*5)+(6*4)+(5*0)+(4*9)+(3*7)+(2*5)+(1*2)=144
144 % 10 = 4
So 254097-52-4 is a valid CAS Registry Number.
254097-52-4Relevant academic research and scientific papers
Diaza-spiro[3,5] nonane derivatives
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, (2008/06/13)
The invention relates to compounds of the general formula wherein R1 is C6-12-cycloalkyl, optionally substituted by lower alkyl or C(O)O lower alkyl, indan-1-yl or indan-2-yl, optionally substituted by lower alkyl; acenaphthen-1-yl; bicyclo[3.3.1]non-9-yl
