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1,2-O-isopropylidene-3-O-tosyl-β-D-fructopyranose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

41342-40-9

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41342-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41342-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,3,4 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 41342-40:
(7*4)+(6*1)+(5*3)+(4*4)+(3*2)+(2*4)+(1*0)=79
79 % 10 = 9
So 41342-40-9 is a valid CAS Registry Number.

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