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6-acetoxy-9-benzoyloxy-6'-methoxy-2'-oxo-10,11,1',2',3',4'-hexahydro-1,6-seco-cinchonane-1-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28339-91-5

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28339-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28339-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,3 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28339-91:
(7*2)+(6*8)+(5*3)+(4*3)+(3*9)+(2*9)+(1*1)=135
135 % 10 = 5
So 28339-91-5 is a valid CAS Registry Number.

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