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9,12,23,26,31,34,39,42-octaoxa-1,6,15,20-tetraaza-3,4,17,18(1,4)-tetrabenzena-tricyclo[18.8.8.86,15]tetratetracontaphane-2,5,16,19-tetraone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69909-28-0

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69909-28-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69909-28-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,0 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69909-28:
(7*6)+(6*9)+(5*9)+(4*0)+(3*9)+(2*2)+(1*8)=180
180 % 10 = 0
So 69909-28-0 is a valid CAS Registry Number.

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