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卑微的奇奇銅蟲(chóng) (初入文壇)
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[求助]
【求助】糠酸莫米松原料藥的理化性質(zhì)
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| 糠酸莫米松的理化性質(zhì)?重點(diǎn)是溶解性的問(wèn)題~~求大神指點(diǎn) |
鐵桿木蟲(chóng) (知名作家)
此草有主~
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Properties: Crystals from aq methanol, mp 218-220°. [a]D26 +58.3° (dioxane). uv max (methanol): 247 nm (e 26300). Practically insol in water. Slightly sol in octanol; moderately sol in ethyl alcohol. |

鐵桿木蟲(chóng) (知名作家)
此草有主~

銅蟲(chóng) (初入文壇)
鐵桿木蟲(chóng) (知名作家)
此草有主~
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Properties(物理性質(zhì)): Crystals from aq methanol(從水/甲醇體系析出的晶體), mp 218-220°. 熔點(diǎn) [a]D26 +58.3° (dioxane). 比旋度 uv max (methanol): 247 nm (e 26300). 紫外最大吸收波長(zhǎng) Practically insol in water. Slightly sol in octanol; moderately sol in ethyl alcohol.幾乎不溶于水,微溶于辛醇;可溶于乙醇。 |

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