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7-((3S,4S)-3-tert-Butoxycarbonylamino-4-fluoromethyl-pyrrolidin-1-yl)-1-cyclopropyl-6-fluoro-8-methoxy-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

218281-45-9

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218281-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218281-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,2,8 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 218281-45:
(8*2)+(7*1)+(6*8)+(5*2)+(4*8)+(3*1)+(2*4)+(1*5)=129
129 % 10 = 9
So 218281-45-9 is a valid CAS Registry Number.

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