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304649-53-4

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304649-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 304649-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,6,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 304649-53:
(8*3)+(7*0)+(6*4)+(5*6)+(4*4)+(3*9)+(2*5)+(1*3)=134
134 % 10 = 4
So 304649-53-4 is a valid CAS Registry Number.

304649-53-4Relevant articles and documents

Sultone opening with [18F]fluoride: An efficient 18F-labelling strategy for PET imaging

Schmitt, Sebastien,Bouteiller, Cedric,Barre, Louisa,Perrio, Cecile

supporting information; experimental part, p. 11465 - 11467 (2011/11/13)

Sultones were subject to ring opening by nucleophilic attack with [ 18F]fluoride to afford easily purified 18F-labelled hydrophilic sulfonated products in high yields. A two-step sequence including radiofluorination and coupling to l

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