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Acetic acid (1R,2R,4aS,8aS)-2,5,5,8a-tetramethyl-1-{2-[2-oxo-dihydro-furan-(3E)-ylidene]-ethyl}-decahydro-naphthalen-2-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189239-45-0

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189239-45-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189239-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,3 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 189239-45:
(8*1)+(7*8)+(6*9)+(5*2)+(4*3)+(3*9)+(2*4)+(1*5)=180
180 % 10 = 0
So 189239-45-0 is a valid CAS Registry Number.

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