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3,7-diethyl-2,6-bis-[3-(3-ethyl-3H-benzothiazol-2-ylidene)-propenyl]-benzo[1,2-d;4,5-d']bisthiazolediium; bis-(toluene-4-sulfonate) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54998-68-4

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54998-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54998-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,9 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54998-68:
(7*5)+(6*4)+(5*9)+(4*9)+(3*8)+(2*6)+(1*8)=184
184 % 10 = 4
So 54998-68-4 is a valid CAS Registry Number.

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