| Nome del prodotto | Citidina |
|---|---|
| Numero CAS | 65-46-3 |
| Formula molecolare | C₉H₁₃N₃O₅ |
| Peso molecolare | 243.22 g/mol |
| Numero EINECS | 200-610-9 |
| Aspetto | Polvere cristallina di colore da bianco a bianco sporco |
| Analisi (HPLC) | ≥ 99,01 TP3T |
| Perdita per essiccazione | ≤ 0,51 TP3T |
| Residuo di combustione | ≤ 0,11 TP3T |
| Metalli pesanti | ≤ 10 ppm |
| Punto di fusione | 210 – 215°C (decomposes) |
| Rotazione specifica | +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.
| Composto | Purezza | N. CAS. | Applicazione principale | Relazione |
|---|---|---|---|---|
| Citidina | ≥99% | 65-46-3 | API / Skincare repair | Composto madre |
| Adenosine | ≥99% | 58-61-7 | Anti-aging skincare / API | Purine analogue |
| Guanosine | ≥99% | 118-00-3 | API / Flavor enhancer | Purine analogue |
| Inosine | ≥99% | 58-63-9 | Sports nutrition / API | Purine analogue |
| Uridine | ≥99% | 58-96-8 | Brain health supplements | Pyrimidine analogue |
| Parametro | Specifiche |
|---|---|
| Cytidine Content (HPLC) | ≥ 99,01 TP3T |
| Identificazione | Lo spettro UV-Vis / IR è conforme al riferimento |
| Rotazione specifica | +32.0° to +36.0° |
| Punto di fusione | 210 – 215°C (with decomposition) |
| Perdita per essiccazione | ≤ 0,51 TP3T |
| Residuo di combustione | ≤ 0,11 TP3T |
| Metalli pesanti (espressi come Pb) | ≤ 10 ppm |
| Arsenico (As) | ≤ 1 ppm |
| Limiti microbiologici | Conforme agli standard USP/EP |
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