Cytosine, Cas # 71-30-7

Cytosine, Cas # 71-30-7 — reagent-grade nucleobase supplied by the manufacturer MOLEQULE-ON (New Zealand). This product is an essential pyrimidine base used in nucleic acid chemistry and biochemical research.

• Chemical identity: Cytosine; formula C4H5N3O; molecular weight ~111.10 g·mol−1.
• Physical form & packaging: white to off-white crystalline powder; supplied in 25 g packaging.
• Purity & grade: reagent/analytical grade, typically ≥98% by HPLC (suitable for research use).
• Storage & stability: keep tightly closed, protected from moisture; recommended storage 2–8°C for long-term stability.
• Solubility: readily soluble in water and dilute acids; sparingly soluble in many organic solvents.
• Common applications: oligonucleotide and nucleotide synthesis, enzymatic assays (deamination/methylation studies), nucleic acid modification and labeling, analytical reference standard, and pharmaceutical/biotech R&D.
• Handling & safety: laboratory reagent only — avoid inhalation, ingestion, and skin contact; use appropriate PPE and consult the safety data sheet; not for human or clinical use.
• Manufacturer information: MOLEQULE-ON, New Zealand.