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7-Oxabicyclo[4.1.0]heptane-1-methanol, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2,2,6-trimethyl-, (1R,4S,6R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

439859-71-9

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439859-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 439859-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,8,5 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 439859-71:
(8*4)+(7*3)+(6*9)+(5*8)+(4*5)+(3*9)+(2*7)+(1*1)=209
209 % 10 = 9
So 439859-71-9 is a valid CAS Registry Number.

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