1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (CAS 7226-23-5), molecular formula 4, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 1,3-Dimethyl-2-oxohexahydropyrimidine,N,N′-Dimethylpropylene urea,DMPU
- Synonyms
- 6-tetrahydro-2(1H)-pyrimidinone7226-23-5

| Molecular weight | 128.17 |
|---|---|
| Empirical formula | C6H12N2O |
| Assay | ≥99.0% (GC) |
| Grade | absolute |
| Boiling point | 146 °C/44 mmHg(lit.) |
| Density | 1.06 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.488(lit.)n20/D 1.489 |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H361F
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 120 °C / 248 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36-43 |
| Safety statements (S) | 23-26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality | over molecular sieve (H2O ≤0.03%) |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone?
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1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (CAS 7226-23-5), molecular formula 4, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone?
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1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone has CAS number 7226-23-5 and molecular formula 4. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone be stored?
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Store 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone used for?
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1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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