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2,3-Dihydro-7-methoxy-6-methyl-3-oxo-1H-pyrrolo<1,2-a>indol-9-carbaldehyd is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90163-08-9

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90163-08-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90163-08-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,6 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90163-08:
(7*9)+(6*0)+(5*1)+(4*6)+(3*3)+(2*0)+(1*8)=109
109 % 10 = 9
So 90163-08-9 is a valid CAS Registry Number.

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