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1-phenyl-5,6-dibromo-3,8-phosphonanedione 1-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75531-99-6

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75531-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75531-99-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,3 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75531-99:
(7*7)+(6*5)+(5*5)+(4*3)+(3*1)+(2*9)+(1*9)=146
146 % 10 = 6
So 75531-99-6 is a valid CAS Registry Number.
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