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[(5E,9E)-11-(tert-Butyl-dimethyl-silanyloxy)-4-(1-ethoxy-ethoxy)-6,10-dimethyl-2-oxo-undeca-5,9-dienyl]-phosphonic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189080-54-4

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189080-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189080-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,0,8 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 189080-54:
(8*1)+(7*8)+(6*9)+(5*0)+(4*8)+(3*0)+(2*5)+(1*4)=164
164 % 10 = 4
So 189080-54-4 is a valid CAS Registry Number.

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