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4,10,11,11-tetramethyl-2,8-diphenyl-2,3,8,9-tetraaza-dispiro[4.0.4.1]undeca-3,9-diene-1,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

102889-99-6

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102889-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102889-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,8,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 102889-99:
(8*1)+(7*0)+(6*2)+(5*8)+(4*8)+(3*9)+(2*9)+(1*9)=146
146 % 10 = 6
So 102889-99-6 is a valid CAS Registry Number.
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