Uridine

Appearance: White to slightly off-white powder
CAS Number: [58-96-8]
Melting Point: 166 to 167°C
Molecular Formula: C₉H₁₂N₂O₆
Molecular Weight: 244.2
Assay (UV): 100% ± 2%
Identity: by IR
λ_max: 262nm ± 1nm (pH 7)
ε_max: [10.1 ± 2%] x 10³ (pH 7)
Absorbance Ratios: A₂₅₀/A₂₆₀: 0.74 ± 0.02 (pH 7; A₂₈₀/A₂₆₀: 0.36 ± 0.02 (pH 7)
Loss on drying: <=1.0%
Heavy Metals (Pb): <=10 ppm

Uridine, Reagent Grade

CAS Number: [3083-77-0]
Melting Point: 166.00 to 167.00°C
Molecular Formula: C₉H₁₂N₂O₆
Molecular Weight: 244.20
Special Shipping Instructions: Room temperature
Storage Temperature: Room temperature
Substance Name: Spongouridine
Appearance: White crystalline powder.

Purity (HPLC): >= 99%.

Purity (TLC): Single Spot.

A250/A260: 0.68-0.80.

A280/A260: 0.30-0.40.

Iron: <= 0.001%

Heavy Metals: <= 0.001%.

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