Name | Specifications | Packing | Price | Delivery |
Uridine | 99.5%,用于細(xì)胞培養(yǎng) | 25g | RMB 1155 | Consulting service |
Uridine | 99.5%,用于細(xì)胞培養(yǎng) | 5g | RMB 308 | Consulting service |
Uridine | 99% | 100g | RMB 1265 | 現(xiàn)貨 |
Uridine | 99% | 25g | RMB 418 | 現(xiàn)貨 |
Uridine | 99% | 5g | RMB 110 | 現(xiàn)貨 |
外觀Appearance 白色結(jié)晶粉末
溶液澄清度與色澤Clarity: 無色、澄清
紅外光譜鑒別Infrared spectrometry 符合
純度Purity (HPLC) ≥99.0% (面積歸一法)
含量Assay (UV ): 98.0% (以干品計(jì))
熔點(diǎn)Melting point 164℃~170℃
比值 (abs. max. 262nm,ε=9,ε=10,000±2%, PH7):
A250/A260 0.72~0.76
A280/A260 0.34~0.38
比旋光度Specific rotation [a]20/D +8 ~ +10 °(C=2, W/V in H2O)
透光度transmittance ≥98.0%(430nm, C=1, W/V, in H2O)
干燥失重Loss on drying ≤0.5%
灼燒殘?jiān)黂esidue On Ignition ≤0.1%
重金屬Heavy Metals(as pb): ≤10ppm
99.5%,用于細(xì)胞培養(yǎng):
外觀Appearance 白色結(jié)晶粉末
溶液澄清度與色澤Clarity: 無色、澄清
紅外光譜鑒別Infrared spectrometry 符合
純度Purity (HPLC) ≥99.5% (面積歸一法)
細(xì)胞培養(yǎng)測試Cell culture test PASS
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