5-Bromo uracil, GR 98%+
5-Bromo uracil, GR 98%+ (CAS 51-20-7) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 1 g.
About 5-Bromo uracil, GR 98%+
Zemixal supplies 5-Bromo uracil, GR 98%+ within its pharma Intermediates & Building Blocks portfolio. Key data (AR): CAS 51-20-7, formula C4H3BrN2O2 and molar mass 190.98 g/mol. Expect white to off-white powder, crystals or crystalline powder.
Where it is used
- Organic synthesis
- API synthesis
Handling and storage
Physical constants on file: melting point >300 °C. Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.
Order it in 1 g, 5 g and 5 x 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
- Organic synthesis
- API synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | 5-Bromo uracil, GR 98%+ |
|---|---|
| Catalogue number | ZX-011015 |
| CAS number | 51-20-7 |
| IUPAC name | 5-bromo-1H-pyrimidine-2,4-dione |
| Molecular formula | C4H3BrN2O2 |
| Molar mass | 190.98 g/mol |
| Exact mass | 189.9378 |
| Grade | AR |
| Purity / assay | ≥98% |
| Physical form | Crystalline |
| Appearance | White to off-white powder, crystals or crystalline powder |
| Melting point | >300 °C |
| XLogP3 | -0.2 |
| H-bond donors / acceptors | 2 / 2 |
| Topological polar surface area | 58.2 Ų |
| HS code | 29335990 |
| InChIKey | LQLQRFGHAALLLE-UHFFFAOYSA-N |
| SMILES | C1=C(C(=O)NC(=O)N1)Br |
| PubChem CID | 5802 |
| Synonyms | 5-Bromo-2,4-dihydroxypyrimidine, 5-Bromouracil, 5-bromopyrimidine-2,4(1H,3H)-dione, Uracil, 5-bromo-, 5-Bromo-2,4(1H,3H)-pyrimidinedione, 2,4(1H,3H)-Pyrimidinedione, 5-bromo-, 5-bromo-1,2,3,4-tetrahydropyrimidine-2,4-dione, 5-BrU, 1,2,3,4-tetrahydro-5-bromo-2,4-pyrimidinedione, 5 bromouracil, 5-bromopyrimidine-2,4-diol, 5-bromo-1,3-dihydropyrimidine-2,4-dione |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, 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
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 5 x 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.
Questions about 5-Bromo uracil, GR 98%+
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Other grades with CAS 51-20-7
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