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2-{2-(2-acetoxy-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-5-methoxy-benzothiazolium; iodide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21172-24-7

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21172-24-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21172-24-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,7 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21172-24:
(7*2)+(6*1)+(5*1)+(4*7)+(3*2)+(2*2)+(1*4)=67
67 % 10 = 7
So 21172-24-7 is a valid CAS Registry Number.

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