6-(Methylamino)-2-(methylthio)pyrimidin-4(3H)-one CAS 120270-05-5
| CAS No. | 120270-05-5 |
| Molecular Formula | C6H9N3OS |
| Molecular Weight | 171.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
6-(Methylamino)-2-(methylthio)pyrimidin-4(3H)-one (CAS 120270-05-5), molecular formula C6H9N3OS and molecular weight 171.22 g/mol, is a CATO reference standard with documented purity and traceability.
6-(Methylamino)-2-(methylthio)pyrimidin-4(3H)-one (C6H9N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 6-(Methylamino)-2-(methylthio)pyrimidin-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 | C6H9N3OS |
| Molecular Weight | 171.22 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methylamino Standards
- 1-[5-(Methylamino)-1,2,4-thiadiazol-3-yl]-2-propanone (CAS 257862-97-8)
- 5-((Methylamino)methyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 21263-85-4)
- 5-(Methylamino)-2-(methylthio)-1H-imidazole-4-carbaldehyde (CAS 339364-05-5)
- Methyl 5-(methylamino)thiophene-2-carboxylate (CAS 859855-63-3)
- 2-(methylamino)-6,7-dihydro-3H-purin-6-one (CAS 10030-78-1)
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Recommended Standards
- Ethyl 2-(4-Thiazolyl)acetate (CAS 120155-43-3)
- 3-Amino-6-ethyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 1206969-66-5)
- 4-Ethyl-2-methylthiazole-5-carboxylic acid (CAS 119778-44-8)
- Methyl 3-(methylthio)-1H-pyrrole-1-carboxylate (CAS 121513-58-4)
- 3-(2-(1H-pyrrol-1-yl)phenoxy)butan-2-one (CAS 339014-73-2)
- Methyl 1-(4-ethylphenyl)-5-oxopyrrolidine-3-carboxylate (CAS 160693-53-8)
- 4-Oxotetrahydro-2H-pyran-3-carbonitrile (CAS 1368346-22-8)
- Mercury (CAS 7439-97-6)
- 5-Bromo-8-fluoro-1,2,3,4-tetrahydroquinoline (CAS 1153255-07-2)
- 3-((3-Fluorophenoxy)methyl)benzaldehyde (CAS 1443339-55-6)
- 2-((4-Methyl-5-thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)thio)acetic acid (CAS 573948-30-8)
- 2-Amino-2-(2-phenylthiazol-4-yl)acetic acid (CAS 1566590-29-1)
- Benzyl L-glutaminate (CAS 66449-94-3)
- Tau Peptide (401-411)-Lys-Lys trifluoroacetate salt (CAS 2022956-59-6)
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