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2-{2-(2-acetoxy-4-methyl-phenyl)-5-[3-(3-ethyl-3H-benzothiazol-2-ylidenemethyl)-5,5-dimethyl-cyclohex-2-enylidene]-penta-1,3-dienyl}-3-ethyl-benzothiazolium; iodide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21400-55-5

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21400-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21400-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,0 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21400-55:
(7*2)+(6*1)+(5*4)+(4*0)+(3*0)+(2*5)+(1*5)=55
55 % 10 = 5
So 21400-55-5 is a valid CAS Registry Number.

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