5,6-Diamino-3-methylpyrimidin-4(3H)-one CAS 89181-83-9
| CAS No. | 89181-83-9 |
| Molecular Formula | C5H8N4O |
| Molecular Weight | 140.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5,6-Diamino-3-methylpyrimidin-4(3H)-one (C5H8N4O) contains an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 140.14 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 5,6-Diamino-3-methylpyrimidin-4(3H)-one (CAS 89181-83-9), a certified reference material (molecular formula C5H8N4O, MW 140.14 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5,6-Diamino-3-methylpyrimidin-4(3H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H8N4O |
| Molecular Weight | 140.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
Related Diamino Standards
- 4,5-Diamino-6-methylpyrimidin-2(1H)-one (CAS 104096-90-4)
- 4,6-Diamino-5-methylpyrimidin-2(1H)-one (CAS 13265-41-3)
- 1,6-Diamino-2-methylpyrimidin-4(1H)-one (CAS 623158-24-7)
- 2,3-Diamino-6-methylpyrimidin-4(3H)-one (CAS 35523-64-9)
- 2,4-Diamino-5-pyrimidinemethanol (CAS 42310-45-2)
- 2,4-Diamino-6-methylpyrimidin-5-ol (CAS 42399-22-4)
- 2,6-Diamino-3-methyl-4(3H)-pyrimidinone (CAS 31469-62-2)
- 3,6-Diamino-2-methylpyrimidin-4(3H)-one (CAS 623158-23-6)
Recommended Standards
- 5,6-Diamino-2-methylpyrimidin-4(3H)-one (CAS 45741-61-5)
- 5,6-Dimethylpyrazine-2,3(1H,4H)-dione (CAS 32493-62-2)
- 5,6-Diamino-1-methylpyrimidin-4(1H)-one (CAS 824-27-1)
- 5,6-Dimethyluracil (CAS 26305-13-5)
- (4-Fluoro-6-(2-methylpiperidin-1-yl)pyridin-3-yl)boronic acid (CAS 2225152-70-3)
- 3-{[(Butan-2-yl)amino]methyl}phenol hydrochloride (CAS 1240569-53-2)
- 4-(1H-Tetrazol-5-yl)benzoic Acid (CAS 34114-12-0)
- 2-chloro-N-(3-acetamidophenyl)propanamide (CAS 1016776-71-8)
- 1-(2,6-Dimethylphenyl)-4-tosylpiperazine (CAS 713099-74-2)
- 4-Chloro-6-(cyanomethyl)-5-(difluoromethyl)picolinonitrile (CAS 1805051-46-0)
- 4-Amino-5-bromo-3-(difluoromethyl)picolinonitrile (CAS 1806895-16-8)
- 2-Amino-4-methoxy-3,3-dimethylbutanoic acid (CAS 856418-01-4)
- 6-(Chloromethyl)-4-fluorobenzo[d][1,3]dioxole (CAS 945244-10-0)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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