The 9H-Purin-2-amine, 9-b-D-arabinofuranosyl-6-methoxy- , with the CAS register number 121032-29-9, has the systematic name of 9-beta-D-arabinofuranosyl-6-methoxy-9H-purin-2-amine . And it also has other names as 2-Amino-9-beta-D-arabinofuranosyl-6-methoxy-9H-purine ; 506U78 ; Nelarabine ; 9-beta-D-Arabinofuranosyl-6-methoxy-9H-purin-2-amine ; UNII-60158CV180 .?

The physical characteristics could be summarized as: (1)ACD/LogP:? -1.48? ; (2)# of Rule of 5 Violations:? 2? ; (3)ACD/LogD (pH 5.5):? -1.53? ; (4)ACD/LogD (pH 7.4):? -1.48? ; (5)ACD/BCF (pH 5.5):? 1? ; (6)ACD/BCF (pH 7.4):? 1? ; (7)ACD/KOC (pH 5.5):? 3.37? ; (8)ACD/KOC (pH 7.4):? 3.71? ; (9)#H bond acceptors:? 10? ; (10)#H bond donors:? 5? ; (11)#Freely Rotating Bonds:? 6? ; (12)Polar Surface Area:? 92.99?? ; (13)Index of Refraction:? 1.829? ; (14)Molar Refractivity:? 65.77 cm³? ; (15)Molar Volume:? 149.8 cm³? ; (16)Polarizability:? 26.07 ×10^-24 cm³? ; (17)Surface Tension:? 91.1 dyne/cm? ; (18)Density:? 1.98 g/cm³? ; (19)Flash Point:? 389.9 °C? ; (20)Enthalpy of Vaporization:? 110.58 kJ/mol? ; (21)Boiling Point:? 721 °C at 760 mmHg? ; (22)Vapour Pressure:? 8.06E-22 mmHg at 25°C.

It is a kind of white solid and is slightly soluble in water. This kind of chemical could be used in various ways, such as in the pharmaceutics. For examples, it could be used as the antineoplastic which is used in the treatment of T-cell malignancies [including both T-cell and B-cell lymphomas]. Besides, it is also being the prodrug of ara-G. However, this chemical has some side effect on the nerves. People often has regular fatigue, headaches after one week's use.

In addition, you could refer to the following data information to get the molecular structure:
SMILES:n2c1c(nc(nc1OC)N)n(c2)[C@@H]3O[C@@H]([C@@H](O)[C@@H]3O)CO
InChI:InChI=1/C11H15N5O5/c1-20-9-5-8(14-11(12)15-9)16(3-13-5)10-7(19)6(18)4(2-17)21-10/h3-4,6-7,10,17-19H,2H2,1H3,(H2,12,14,15)/t4-,6-,7+,10-/m1/s1 
InChIKey:IXOXBSCIXZEQEQ-UHTZMRCNBK