6-Methyluracil
6-Methyluracil (CAS: 626-48-2; C5H6N2O2; MW: 126.11) is a pyrimidine derivative identified as 2,4-Dihydroxy-6-methylpyrimidine. This chemical serves as a versatile building block in organic synthesis, particularly for the construction of heterocyclic compounds. Its structural features make it valuable in research and development for creating novel molecules with potential applications in various scientific fields. Tech Serve Solutions supplies 6-Methyluracil with an assay of 97% (HPLC).
- IUPAC
- 2,4-Dihydroxy-6-methylpyrimidine

Heterocyclic Synthesis
6-Methyluracil is utilised as a key intermediate in the synthesis of complex heterocyclic structures, including various pyrimidine derivatives. Its reactive sites allow for diverse functionalisation and ring modifications.
Chemical Research
As a readily available building block, it is employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its structure is relevant for medicinal chemistry studies.
Organic Synthesis Reagent
This compound functions as a reagent in multi-step organic syntheses. It is particularly useful for introducing the uracil moiety into larger molecular frameworks.
| Molecular weight | 126.11 |
|---|---|
| Empirical formula | C5H6N2O2 |
| Assay | 97% (HPLC) |
| Melting point | 318 °C (dec.)(lit.) |

Hazard statements
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-62 |
| Safety statements (S) | 36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 6-Methyluracil used for?
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6-Methyluracil (CAS: 626-48-2) is primarily used as a building block in organic synthesis, particularly for creating heterocyclic compounds and pyrimidine derivatives in chemical research.
What are the CAS number and chemical formula for 6-Methyluracil?
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The CAS number for 6-Methyluracil is 626-48-2, and its chemical formula is C5H6N2O2.
What grade and purity does Tech Serve Solutions supply for 6-Methyluracil?
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Tech Serve Solutions supplies 6-Methyluracil with an assay of 97% determined by HPLC. This is a technical/research grade material and is not represented as USP, BP, or EP grade.
How should 6-Methyluracil be handled safely?
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Handle 6-Methyluracil with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It carries the GHS hazard statement H361 (suspected of damaging fertility or the unborn child) and requires careful handling to avoid exposure. Refer to the Safety Data Sheet for full guidance.
Is 6-Methyluracil a controlled substance?
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The provided data does not indicate that 6-Methyluracil (CAS: 626-48-2) is a controlled substance.
How is 6-Methyluracil packed, shipped, and exported?
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6-Methyluracil is carefully packaged to ensure integrity during transit. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant regulations for safe and compliant shipment.
How can I request a quote or sample for 6-Methyluracil?
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To request a quote or sample for 6-Methyluracil, please contact our sales team through the website or by phone, providing your specific requirements.
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