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(3aS,10bS,12bR)-2,3,3a,12b-Tetrahydro-1H,6H-6,12a-diaza-indeno[7,1-cd]fluorene-4,12-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89300-58-3

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89300-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89300-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,0 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89300-58:
(7*8)+(6*9)+(5*3)+(4*0)+(3*0)+(2*5)+(1*8)=143
143 % 10 = 3
So 89300-58-3 is a valid CAS Registry Number.

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