7-methoxy-6-methyl-2,3-dihydro-1H-cyclopenta[c]chromen-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 307548-79-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,5,4 and 8 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 307548-79: (8*3)+(7*0)+(6*7)+(5*5)+(4*4)+(3*8)+(2*7)+(1*9)=154 154 % 10 = 4 So 307548-79-4 is a valid CAS Registry Number.
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