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3-(2-methoxy-benzoyl)-2-phenyl-chromen-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

742073-30-9

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742073-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 742073-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,7 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 742073-30:
(8*7)+(7*4)+(6*2)+(5*0)+(4*7)+(3*3)+(2*3)+(1*0)=139
139 % 10 = 9
So 742073-30-9 is a valid CAS Registry Number.

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742073-30-9Downstream Products

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