CAS No 146-80-5 , Xanthosine Search by region : Germany

Name: Xanthosine
Synonyms: 9-Pentofuranosyl-3,9-dihydro-1H-purine-2,6-dione;Xanthosine;
CAS Registry Number:146-80-5
Density: 2.25 g/cm³
Refractive index: -52 ° (C=8, 0.3mol/L NaOH)
EINECS: 205-679-9
Molecular Weight: 284.23
InChI: InChI=1/C10H12N4O6/c15-1-3-5(16)6(17)9(20-3)14-2-11-4-7(14)12-10(19)13-8(4)18/h2-3,5-6,9,15-17H,1H2,(H2,12,13,18,19)/t3-,5-,6-,9-/m1/s1
Molecular Formula: C10H12N4O6
Molecular Structure:

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146-80-5 Xanthosine

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           146-80-5 XANTHOSINE; 98%
           
             ABCR GmbH & Co KG
             
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Tel:  +49 721 95061-0
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           146-80-5 XANTHOSINE DIHYDRATE
           
             AppliChem GmbH
             
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           146-80-5 340028 9-((2R,3R,4S,5R)-3,4-DIHYDROXY-5-(HYDROXYMETHYL)TETRAHYDROFURAN-2-YL)-9H-PURINE-2,6-DIOL 3,9-DIHYDRO-9-.BETA.-D-RIBOFURANOSYL-1H-PURINE-2,6-DIONE; XANTHOSINE
           
             chemcube UG
             
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Tel:  +49 (22 08) 7 75 04 06
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           146-80-5 Xanthosine
           
             Pharma Waldhof GmbH
             
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Tel:  +49 (0)211 - 52 60 23/ +49 (0)211 - 52 60 20
Fax:  +49 (0)211 - 52 60 222
Address: Pharma Waldhof GmbH 
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References of Xanthosine

Title: Xanthosine
CAS Registry Number: 146-80-5
Synonyms: Xanthine riboside; 9-b-D-ribofuranosyl xanthine; 9-b-D-ribofuranosyl-9H-purine-2,6-diol; 9-b-D-ribofuranosyl-9H-purine-2,6-(1H,3H)-dione
Molecular Formula: C10H12N4O6
Molecular Weight: 284.23
Percent Composition: C 42.26%, H 4.26%, N 19.71%, O 33.77%
Literature References: Prepd from guanosine by treatment with sodium nitrite and acetic acid: Levene, Jacobs, Ber. 43, 3163 (1910); Gulland, Macrae, J. Chem. Soc. 1933, 662. Synthesis: Howard et al., ibid. 1949, 232. Biosynthesis: Magasanik, Brooke, J. Biol. Chem. 206, 83 (1954); Korn, Buchanan, ibid. 217, 183 (1955); Bolis et al., ibid. 219, 917 (1956).

Derivative Type: Dihydrate
Properties: Long prisms from water. Anhydr felted clusters (warts) from alc. Dec on heating, no distinct melting range. [a]D30 -51.2° (p = 8 in 0.3N NaOH). uv max: 253 nm (e 8.790). aM (molar absorbancy): 11.4′103 at 248.5 nm in water at pH 8.0. Sparingly sol in cold water; freely sol in hot water; sol in hot dil alcohol. Easily hydrolyzed by mineral acids.
Optical Rotation: [a]D30 -51.2° (p = 8 in 0.3N NaOH)
Absorption maximum: uv max: 253 nm (e 8.790)