NorrChemica™
Thymine (5-Methyluracil) | Purity ≥99.0% | DNA Nucleobase | CAS: 65-71-4 | EU Seller
Thymine (5-Methyluracil) | Purity ≥99.0% | DNA Nucleobase | CAS: 65-71-4 | EU Seller
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🧪 Technical Specifications
- CAS Number: 65-71-4
- SMILES: CC1=CNC(=O)NC1=O
- InChI: InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
- InChIKey: RWQNBRDOKXIBIV-UHFFFAOYSA-N
- Molecular Formula: C₅H₆N₂O₂
- Molecular Weight: 126.11 g/mol
- Purity: ≥99.0%
- Physical Form: White powder
- HS Code: 2933.59.95
- Shelf Life: 60 Months under standard storage conditions (darkness, dry, 15–25°C)
- Storage Conditions: Room temperature; store cool, dark, and dry; keep container tightly closed (<15 °C recommended as “cool & dark”)
🔬 Common Scientific Applications
Analytical reference standard for identifying/quantifying thymine in HPLC/UPLC and LC-MS/MS methods (retention time + mass confirmation).
Method development & validation for nucleobase / nucleoside panels (system suitability, linearity, precision, detection limits).
Quality control / impurity profiling of pyrimidine nucleobases and related materials (benchmarking against a known standard).
Stability and degradation studies under controlled conditions (e.g., assessing changes under light/heat/pH and tracking degradants analytically).
Photochemistry model compound in studies of UV-induced nucleobase reactions (used as a defined small-molecule model for UV reactivity).
Biochemical assay reagent (non-clinical) as a defined substrate/benchmark in enzyme or chemical transformation assays involving pyrimidine bases (reported as assay chemistry, not biological effects).
Synthetic building block / starting material for research-scale preparation of thymine derivatives (e.g., protected bases, labeled analogs, or conjugates) used in chemistry workflows.
Calibration/identity reference in spectroscopy (UV/Vis) or chromatography teaching/QC exercises where standard nucleobases are used as known comparators.
⚠️ Safety & Transport
- Hazard Class (UN/DG): Not regulated (no UN number)
- GHS Signal Word: None (not classified)
- GHS Hazard Statements: None
- GHS Precautionary Statements: None required (not classified)
🔎 Advanced Identifiers
- PubChem CID: 1135
The NorrChemica™ Standard
-
Laboratory-Grade Handling:
Processed, packaged and quality-checked in the EU under strict laboratory standards. -
Analytical Purity:
Identity and purity verified. Each batch strictly meets or exceeds defined research grade specifications. -
🇪🇺 EU/UK Optimized:
Designed for compliant, frictionless DDP shipping to EU and UK research customers. -
Professional Logistics:
Dispatched from Finland via premium tracked services (UPS / Posti / Matkahuolto). -
🌍 Select International Availability:
Available to eligible non-EU markets (e.g., Canada, Japan, Australia, EFTA) where local import rules allow.
If you don't find the product you need in our shop, please send us a message with the CAS number and the amount you require. We will promptly provide you with a custom quotation.
Shipping & Logistics
The price you see at checkout is what you pay on delivery. Whenever possible, we ship on a DDP (Delivered Duty Paid) basis and pre-pay duties & taxes for the USA, UK, Canada, Australia, Japan, and EU, subject to local thresholds and regulations.
⚠️ Compliance & Payment Information
- Intended Use: Supplied strictly for R&D, laboratory, and technical applications.
- Safety: Handle with appropriate PPE.
- Documentation: CoA and GHS-compliant SDS provided electronically.
- Secure Payment: To ensure regulatory compliance and keep fees low, we accept payment via Wise and manual invoice (bank transfer). Select "Bank Transfer" at checkout for instructions.
🧬 About NorrChemica™
NorrChemica™ is a Finnish supplier of high-purity specialty reagents. We focus on reliable EU shipping, transparent labeling, and accessible pricing for technical users.
⚖️ Disclaimer: Sold strictly for laboratory research and technical applications. Not for human consumption. By purchasing, you confirm professional intent.
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