| Nom du produit | Cytidine |
|---|---|
| Numéro CAS | 65-46-3 |
| Formule moléculaire | C₉H₁₃N₃O₅ |
| Poids moléculaire | 243.22 g/mol |
| Numéro EINECS | 200-610-9 |
| Apparence | Poudre cristalline blanche à blanc cassé |
| Essai (HPLC) | ≥ 99,01 TP3T |
| Perte au séchage | ≤ 0,5% |
| Résidu au feu | ≤ 0,11 TP3T |
| Métaux lourds | ≤ 10 ppm |
| Point de fusion | 210 – 215°C (decomposes) |
| Rotation spécifique | +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.
| Complexe | Pureté | No CAS. | Application principale | Relation |
|---|---|---|---|---|
| Cytidine | ≥99% | 65-46-3 | API / Soins réparateurs pour la peau | Composé d'origine |
| Adénosine | ≥99% | 58-61-7 | Soins anti-âge / API | Analogue de la purine |
| Guanosine | ≥99% | 118-00-3 | API / Exhausteur de goût | Analogue de la purine |
| Inosine | ≥99% | 58-63-9 | Nutrition sportive / API | Analogue de la purine |
| Uridine | ≥99% | 58-96-8 | Compléments alimentaires pour la santé cérébrale | Analogue de la pyrimidine |
| Paramètre | Spécifications |
|---|---|
| Cytidine Content (HPLC) | ≥ 99,01 TP3T |
| Identification | Le spectre UV-Vis/IR est conforme à la référence |
| Rotation spécifique | +32.0° to +36.0° |
| Point de fusion | 210 – 215°C (with decomposition) |
| Perte au séchage | ≤ 0,5% |
| Résidu au feu | ≤ 0,11 TP3T |
| Métaux lourds (exprimés en Pb) | ≤ 10 ppm |
| Arsenic (As) | ≤ 1 ppm |
| Limites microbiologiques | Conforme aux normes USP/EP |
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