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Nonamethylen-1.9-dioxy-di-(3'-benzyl-chinudidinium-1'.1'-iodid) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

25298-18-4

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25298-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25298-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,9 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25298-18:
(7*2)+(6*5)+(5*2)+(4*9)+(3*8)+(2*1)+(1*8)=124
124 % 10 = 4
So 25298-18-4 is a valid CAS Registry Number.

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