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2,2,3,3,5,5,6,6,7,7-Decafluoro-1-(2,3,5,6-tetrafluoro-4-nitro-phenylsulfanyl)-bicyclo[2.2.1]heptane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42303-13-9

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42303-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42303-13-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,0 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42303-13:
(7*4)+(6*2)+(5*3)+(4*0)+(3*3)+(2*1)+(1*3)=69
69 % 10 = 9
So 42303-13-9 is a valid CAS Registry Number.

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