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p-N-Fluorazoxyphenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28237-04-9

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28237-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28237-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,3 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28237-04:
(7*2)+(6*8)+(5*2)+(4*3)+(3*7)+(2*0)+(1*4)=109
109 % 10 = 9
So 28237-04-9 is a valid CAS Registry Number.

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