6-Chloro-N-methyl-2-(methylthio)pyrimidin-4-amine CAS 478258-67-2
| CAS No. | 478258-67-2 |
| Molecular Formula | C6H8ClN3S |
| Molecular Weight | 189.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H8ClN3S, 6-Chloro-N-methyl-2-(methylthio)pyrimidin-4-amine contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.67 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.
CATO supplies 6-Chloro-N-methyl-2-(methylthio)pyrimidin-4-amine (CAS 478258-67-2), a certified reference material (molecular formula C6H8ClN3S, MW 189.67 g/mol) for analytical method development and quality control.
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.
CATO manufactures 6-Chloro-N-methyl-2-(methylthio)pyrimidin-4-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H8ClN3S |
| Molecular Weight | 189.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- 5-Amino-6-chloro-2-ethylpyrimidine-4(1H)-thione (CAS 61457-04-3)
- 1-(2-Chloropropanoyl)azepane (CAS 115840-34-1)
- 2-Bromocinnamic acid ethyl ester (CAS 91047-77-7)
- (Z)-3,5-dichloro-4-(3-ethoxy-2-methyl-3-oxoprop-1-en-1-yl)benzoic acid (CAS 2502057-35-2)
- 8-Methoxy-5,6-dihydro-4H-benzo[3,4]cyclohepta[1,2-d]isoxazol-9-ol (CAS 71007-79-9)
- 1-(4,5-Dibromothiophene-2-carbonyl)-4-[(2E)-3-phenylprop-2-en-1-yl]piperazine (CAS 1164557-05-4)
- (4-pyrimidin-5-ylphenyl)methanol 198084-12-7 A813958 [4-(5-pyrimidinyl)phenyl]methanol (CAS 198084-12-7)
- Pimavanserin Impurity 28 (CAS CATO-C4X-193828)
- 2-(6-Chloro-4-oxoquinolin-1(4H)-yl)acetonitrile (CAS 1171914-55-8)
- 2-(3-Isopropoxyoxetan-3-yl)-N-methylethan-1-amine (CAS 2306270-82-4)
- 2-Hydrazono-1,3-diazepane (CAS 66439-74-5)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com