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4',4',6',6'-tetrachloro-4'λ5,6λ5,6'λ5-spiro[dibenzo[d,f][1–3]-dioxaphosphepine-6,2'-[1–6]triazatriphosphinine] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128175-79-1

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128175-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128175-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,7 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128175-79:
(8*1)+(7*2)+(6*8)+(5*1)+(4*7)+(3*5)+(2*7)+(1*9)=141
141 % 10 = 1
So 128175-79-1 is a valid CAS Registry Number.

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