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5,7-dihydroxy-3-methoxy-6-methyl-2-(3,4,5-trimethoxy-phenyl)-chromen-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

16807-17-3

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16807-17-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16807-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,0 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16807-17:
(7*1)+(6*6)+(5*8)+(4*0)+(3*7)+(2*1)+(1*7)=113
113 % 10 = 3
So 16807-17-3 is a valid CAS Registry Number.
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