Pyrithiamine hydrobromide
Pyrithiamine hydrobromide (CAS: 534-64-5), with the molecular formula C14H18N4O · 2HBr and a molecular weight of 420.14, is a heterocyclic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyridine derivatives and related heterocyclic structures. Its specific properties make it useful for researchers and chemists developing novel compounds and exploring synthetic pathways.
- IUPAC
- 1-([4-Amino-2-methyl]-5-pyrimidylmethyl)-2-methyl-3-(β-hydroxyethyl)pyridinium bromide,Neopyrithiamine

Chemical Synthesis Intermediate
Pyrithiamine hydrobromide functions as a key intermediate in the synthesis of more complex organic molecules. Its structure, featuring a pyridine ring and pyrimidine substituent, allows for diverse chemical modifications.
Research and Development
This compound is employed in research laboratories for the development of new chemical entities and the exploration of reaction mechanisms. It is a useful reagent for academic and industrial R&D projects.
Heterocyclic Chemistry
As a pyridine derivative, Pyrithiamine hydrobromide is pertinent to the field of heterocyclic chemistry, offering a scaffold for creating novel heterocyclic systems.
| Molecular weight | 420.14 |
|---|---|
| Empirical formula | C14H18N4O · 2HBr |
| Assay | ~95% |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36 |
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 Pyrithiamine hydrobromide used for?
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Pyrithiamine hydrobromide (CAS: 534-64-5) is primarily used as a building block and intermediate in chemical synthesis and research and development, particularly within heterocyclic chemistry.
What are the CAS number and formula for Pyrithiamine hydrobromide?
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The CAS number for Pyrithiamine hydrobromide is 534-64-5, and its molecular formula is C14H18N4O · 2HBr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyrithiamine hydrobromide with an assay of approximately 95%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Pyrithiamine hydrobromide be handled safely?
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Pyrithiamine hydrobromide is classified as harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332). When handling, use a dust mask type N95 (US), wear eyeshields, and gloves. Ensure good ventilation. Store at 2-8°C.
Is Pyrithiamine hydrobromide a controlled substance?
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The provided data does not indicate that Pyrithiamine hydrobromide is a controlled substance.
How is Pyrithiamine hydrobromide packed and shipped?
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Pyrithiamine hydrobromide is suitable for laboratory research and chemical synthesis applications. For specific shipping and export details, please contact our sales team.
How can I request a quote or sample for Pyrithiamine hydrobromide?
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To request a quote or a sample of Pyrithiamine hydrobromide, please contact the Tech Serve Solutions sales department through our website or direct contact information.
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