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1-ethyl-2-[3-(3-ethyl-3H-benzothiazol-2-ylidene)-propenyl]-4,9-dioxo-3-phenyl-4,9-dihydro-3H-naphtho[2,3-d]imidazolium; iodide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23489-45-4

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23489-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23489-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,8 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23489-45:
(7*2)+(6*3)+(5*4)+(4*8)+(3*9)+(2*4)+(1*5)=124
124 % 10 = 4
So 23489-45-4 is a valid CAS Registry Number.

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