2'-DEOXYURIDINE (dU)

Formula:

C₉H₁₂N₂O₅

Mol.weight:

228.20

CAS No.:

[951-78-0]

EINECS No.:

213-455-7

Description:

White crystalline powder

Clarity&color of solution:

Colorless and clear

Identification:

Conforms to the ref. IR spectrum

Purity(HPLC):

98.0%min.(area percent)

Assay(UV absorption):

99.0%min.(on dry basis)

Ratios(abs.max.262nm,

A250/A260=0.70～0.74

ε=10,100±2%,PH7):

A280/A260=0.33～0.43

Specific rotation:

Melting point:

164℃～168℃

Loss on drying:

1.0%max.(at 105℃/2h.)

Moisture(K.F.):

1.0%max.

Residue on ignition:

0.1%max.

Heavy metals(as Pb):

10ppm max.

Arsenic(AS2O3):

1ppm max.