3-Methyl-6-(methylamino)pyrimidine-4(3H)-thione CAS 1195-41-1
| CAS No. | 1195-41-1 |
| Molecular Formula | C6H9N3S |
| Molecular Weight | 155.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Methyl-6-(methylamino)pyrimidine-4(3H)-thione.
3-Methyl-6-(methylamino)pyrimidine-4(3H)-thione (CAS 1195-41-1), molecular formula C6H9N3S and molecular weight 155.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H9N3S, 3-Methyl-6-(methylamino)pyrimidine-4(3H)-thione contains a nitrile group, sulfur-containing functionality, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 155.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 3-Methyl-6-(methylamino)pyrimidine-4(3H)-thione 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 | C6H9N3S |
| Molecular Weight | 155.22 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.) | 1957 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-(Methylamino)-1-(thiophen-2-yl)ethan-1-one (CAS 933740-03-5)
- 1-Methyl-3-((methylamino)methyl)-1H-pyrazole-4,5-diamine (CAS 184173-24-8)
- 2-(3-(Methylamino)bicyclo[1.1.1]Pentan-1-yl)propan-2-ol (CAS 1886967-10-7)
- methyl 2-(methylamino)cyclopent-1-ene-1-carboxylate (CAS 52909-71-4)
- 4,6-Bis(methylamino)-1,3,5-triazin-2(5H)-one (CAS 55702-52-8)
- 3-[(methylamino)methyl]furan-2-carboxylic acid (CAS 1696871-43-8)
- 1-Methyl-6-(methylamino)pyrimidine-2,4(1H,3H)-dione (CAS 89465-16-7)
- 5-((Methylamino)methyl)furan-2-carboxylic acid (CAS 893740-52-8)
Recommended Standards
- 5-(Methylthio)-3-pyridinemethanol (CAS 1173713-41-1)
- 4,5,6,7-Tetrahydrocyclopenta[b][1,4]thiazin-3(2H)-one (CAS 120945-07-5)
- n-((1,2,3-Thiadiazol-4-yl)methyl)cyclopropanamine (CAS 1156892-42-0)
- Cyclopropyl(1,3-thiazol-2-yl)methanol (CAS 1211507-79-7)
- 4-(2-Ethoxybenzyl)-3-phenylisoxazol-5(2H)-one (CAS 89114-12-5)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-isopropylpiperazine (CAS 1781241-43-7)
- 5-(tert-Butoxycarbonyl)-1,4,5,6-tetrahydropyrrolo[3,4-d]imidazole-2-carboxylic acid (CAS 1269532-88-8)
- Risperidone impurity 46 (CAS 106266-11-9)
- Chetomin (CAS 1403-36-7)
- (S)-5-methyl-5-azaspiro[2.4]heptane-6-carboxylic acid (CAS 1860033-47-1)
- 2-Amino-6-(difluoromethyl)-3-fluoroisonicotinaldehyde (CAS 1803673-32-6)
- 3-(Benzyloxy)thieno[2,3-b]pyridine-2-carboxylic acid (CAS 152524-93-1)
- 4-Oxo-2-(4-phenoxypiperazin-1-yl)-4-[4-(propan-2-yl)phenyl]butanoic acid (CAS 329777-65-3)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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