287200-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 287200-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,7,2,0 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 287200-34:
(8*2)+(7*8)+(6*7)+(5*2)+(4*0)+(3*0)+(2*3)+(1*4)=134
134 % 10 = 4
So 287200-34-4 is a valid CAS Registry Number.
287200-34-4Relevant academic research and scientific papers
2-alkylidene hydroxycoumaranone derivatives
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, (2008/06/13)
New compounds of formula I wherein: R and R1are independently selected from hydrogen, (C1-C6)alkyl, styryl and (C3-C6)cycloalkyl or, taken together with the carbon to which they are linked, form a (C
