ethyl {[5-(2-ethoxy-2-oxoethoxy)-2-oxo-4-phenyl-2H-chromen-7-yl]oxy}acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 297148-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,1,4 and 8 respectively; the second part has 2 digits, 1 and 8 respectively. Calculate Digit Verification of CAS Registry Number 297148-18: (8*2)+(7*9)+(6*7)+(5*1)+(4*4)+(3*8)+(2*1)+(1*8)=176 176 % 10 = 6 So 297148-18-6 is a valid CAS Registry Number.
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