9-ethyl-4-methyl-3-(4-phenylphenyl)furo[2,3-f]chromen-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 670241-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,2,4 and 1 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 670241-79: (8*6)+(7*7)+(6*0)+(5*2)+(4*4)+(3*1)+(2*7)+(1*9)=149 149 % 10 = 9 So 670241-79-9 is a valid CAS Registry Number.
670241-79-9Upstream product
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