High purity L-ribose CT is manufactured as a white, crystalline powder. To ensure the high quality, high purity L-arabinose CT99 is used as a raw material in the manufacture of L-ribose CT. Chirally pure
L-ribose CT is used for pharmaceutical applications such as nucleoside analogues and synthetic oligonucleotides.


CAS No. 24259-59-4
Molecular Formula C5H10O5
Molecular Weight 150.13 g/mol
Appearance White crystalline powder
Moisture Max. 0.5% (Karl Fisher Dry Substance)
Assay, L-ribose Min. 99.8% on DS (HPLC)
Purity, D-ribose Max. 0.05% (HPCE)
Purity, L-arabinose Max. 0.05 area % (GC)
Purity, L-ribulose Max. 0.05 area % (GC)
Ash Max. 0.2% (Residue on Ignition)
Heavy Metals Max. 5 mg/kg (FCC/USP Limit Test)


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