5-Chlorouracil, 98%
Buy 5-Chlorouracil, 98% (CAS 1820-81-1) from Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.
About 5-Chlorouracil, 98%
5-Chlorouracil, 98% is part of the Zemixal pyrimidines, Pyrazines & Pyridazines range. Identity at a glance (99%): CAS 1820-81-1, formula C4H3ClN2O2 and molar mass 146.53 g/mol. Typical appearance is white to light yellow powder or crystals.
Common uses in the lab and plant
- Diagnostic assays
- Organic synthesis
Storage and safety notes
Reported physical data: melting point >300 °C. Classified under GHS with signal word Danger and hazard statements H301, H302 and H341. Read the SDS before first use.
Order it in 5 g, 25 g, 100 g and 1 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Diagnostic assays
- Organic synthesis
Applications
Specifications and identifiers
| Product name | 5-Chlorouracil, 98% |
|---|---|
| Catalogue number | ZX-011017 |
| CAS number | 1820-81-1 |
| IUPAC name | 5-chloro-1H-pyrimidine-2,4-dione |
| Molecular formula | C4H3ClN2O2 |
| Molar mass | 146.53 g/mol |
| Exact mass | 145.9883 |
| Purity / assay | 99% |
| Physical form | Crystalline |
| Appearance | White to light yellow powder or crystals |
| Melting point | >300 °C |
| XLogP3 | -0.3 |
| H-bond donors / acceptors | 2 / 2 |
| Topological polar surface area | 58.2 Ų |
| HS code | 29399900 |
| InChIKey | ZFTBZKVVGZNMJR-UHFFFAOYSA-N |
| SMILES | C1=C(C(=O)NC(=O)N1)Cl |
| PubChem CID | 15758 |
| Synonyms | 5-Chloro-2,4-dihydroxypyrimidine, 5-Chloropyrimidine-2,4(1H,3H)-dione, 2,4(1H,3H)-Pyrimidinedione, 5-chloro-, Uracil, 5-chloro-, 4(3H)-Pyrimidinone, 5-chloro-2-hydroxy- (9CI), 5-chloro-uracil, 5-chloro-1,3-dihydropyrimidine-2,4-dione, 5-Chloropyrimidine-2,4(1H,3H)-dione (5-Chlorouracil), 2,4-Pyrimidinediol, 5-chloro- (9CI), Uracil, 5-chloro- (VAN), 5-chloro-1,2,3,4-tetrahydropyrimidine-2,4-dione, 5-chloro-2,4-pyrimidinedione |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H301Toxic if swallowed
- H302Harmful if swallowed
- H341Suspected of causing genetic defects
Precautionary statements P203, P264, P270, P280, P301 + P316, P301 + P317, P318, P321, P330, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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