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2-Butyl-4,4,6,6,4',4',6',6'-octachloro-2'-methyl-2λ5,4λ5,6λ5,2'λ5,4'λ5,6'λ5-[2,2']bi[[1,3,5,2,4,6]triazatriphosphininyl] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81098-55-7

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81098-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81098-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,9 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81098-55:
(7*8)+(6*1)+(5*0)+(4*9)+(3*8)+(2*5)+(1*5)=137
137 % 10 = 7
So 81098-55-7 is a valid CAS Registry Number.

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