| 製品名 | シチジン |
|---|---|
| CAS番号 | 65-46-3 |
| 分子式 | C₉H₁₃N₃O₅ |
| 分子量 | 243.22 g/mol |
| EINECS番号 | 200-610-9 |
| 外観 | 白色からオフホワイトの結晶性粉末 |
| 分析(HPLC) | ≥ 99.0% |
| 乾燥減量 | ≤ 0.5% |
| 焼失残渣 | ≤ 0.1% |
| 重金属 | 10 ppm以下 |
| 融点 | 210 – 215°C (decomposes) |
| 比回転 | +32.0° to +36.0° |
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Cytidine is a naturally occurring pyrimidine nucleoside composed of cytosine attached to a ribose sugar via a β-N₁-glycosidic bond. It is a fundamental building block of RNA and plays a critical role in nucleic acid synthesis, cellular metabolism, and membrane biosynthesis. Cytidine is found ubiquitously in all living organisms and is particularly abundant in brain tissue, where it supports neuronal function and synaptic plasticity.

In addition to its neurological applications, cytidine is used in pharmaceutical formulations, cell culture media, and research applications. Its phosphorylated form, cytidine monophosphate (CMP), and its derivatives, such as cytidine diphosphate choline (CDP-choline, also known as citicoline), are recognized for their neuroprotective and cognitive-enhancing properties.
| 複合 | 純度 | CAS番号. | 主な用途 | 関係 |
|---|---|---|---|---|
| シチジン | ≥99% | 65-46-3 | API / スキンケア・リペア | Parent compound |
| アデノシン | ≥99% | 58-61-7 | Anti-aging skincare / API | Purine analogue |
| グアノシン | ≥99% | 118-00-3 | API / 風味増強剤 | Purine analogue |
| イノシン | ≥99% | 58-63-9 | スポーツ栄養学 / API | Purine analogue |
| ウリジン | ≥99% | 58-96-8 | 脳の健康をサポートするサプリメント | Pyrimidine analogue |
| パラメータ | 仕様 |
|---|---|
| Cytidine Content (HPLC) | ≥ 99.0% |
| 識別 | UV-Vis/IRスペクトルは基準値と一致している |
| 比回転 | +32.0° to +36.0° |
| 融点 | 210 – 215°C (with decomposition) |
| 乾燥減量 | ≤ 0.5% |
| 焼失残渣 | ≤ 0.1% |
| 重金属(鉛換算) | 10 ppm以下 |
| ヒ素(As) | 1 ppm以下 |
| 微生物の許容限度 | USP/EP規格に準拠しています |
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