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CAS 65-46-3 Fast Delivery Cytidine factory sells 65-46-3 Cytidine
factory sells 65-46-3 Cytidine
Cytidine, CAS No.65-46-3
Fast Delivery Cytidine factory sells 65-46-3 Cytidine
Cytidine
Product No.: ABT-C06
CAS No.: 65-46-3
Formula: C9H13N3O5
Molecular weight: 243.22
Appearance: a white or almost white crystalline powder
Assay: ≥98%
Application: R&D, intermediates.
Package:100g/bag, 1kg/bag, 5kg/drum, 25kg/drum
Storage: room temperature, tightly closed, protected from humidity.
Drum packing: Closed packing with moisture-proof plastic bag or aluminum foil bag inside, packing with carton outside.
Dimensions: 5kg drum: 30cm*30cm*30cm
25kg drum: 35cm*35cm*51cm
Purification Methods
Cytidine crystallises from 90% aqueous EtOH. It has also been converted to sulfate by dissolving (~200mg) in a solution of EtOH (10mL) containing H2SO4 (50mg), whereby the salt crystallises out. It is collected, washed with EtOH and dried for 5hours at 120o/0.1mm. The sulfate has m 225o. The free base is obtained by shaking the salt solution with a weak ion-exchange resin, filtering, evaporating and recrystallising the residue from EtOH as before. [Fox & Goodman J Am Chem Soc 73 3256 1956, Fox & Shugar Biochim Biophys Acta 9 369 1952; see Prytsas & Sorm in Synthetic Procedures in Nucleic Acid Chemistry (Zorbach & Tipson Eds) Vol 1 404 1973.] [Beilstein 25 III/IV 3667.]
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