4-Methylpyrimidine-2(1H)-thione hydrochloride CAS 6959-66-6
| CAS No. | 6959-66-6 |
| Molecular Formula | C5H6N2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, sulfur-containing functionality, chlorine substitution, 4-Methylpyrimidine-2(1H)-thione hydrochloride is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 162.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 4-Methylpyrimidine-2(1H)-thione hydrochloride (CAS 6959-66-6), a certified reference material (molecular formula C5H6N2SHCl, MW 162.63 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), 4-Methylpyrimidine-2(1H)-thione hydrochloride 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 | C5H6N2S HCl |
| Molecular Weight | 162.63 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylpyrimidine Standards
- 2-methylpyrimidine-4-carbaldehyde (CAS 1004-17-7)
- N4-methylpyrimidine-2,4-diamine (CAS 1004-18-8)
- 3-Ethyl-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 1006-24-2)
- 5-Ethyl-4-methylpyrimidine (CAS 100868-34-6)
- 2-Methylpyrimidine-5-boronic Acid (CAS 1034924-06-5)
- 2-Methylpyrimidine-5-boronic Acid Pinacol Ester (CAS 1052686-67-5)
- 5-Ethyl-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 10606-53-8)
- 6-Methylpyrimidine-4-carbaldehyde (CAS 1073-53-6)
Recommended Standards
- 1-Methyl-5H-pyrrolo[1,2-c]imidazol-5-one (CAS 194344-82-6)
- 3-Decyloxypropylamine (CAS 7617-78-9)
- Methyl 2-({5-[(methoxyimino)methyl]imidazo[2,1-b][1,3]thiazol-6-yl}sulfanyl)benzenecarboxylate (CAS 338976-20-8)
- 1-((4-Chlorophenyl)thio)-3,3-dimethylbutan-2-one (CAS 39489-71-9)
- 2-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]cyclopentanol (CAS 1313726-16-7)
- 2-Hydroxy-3-methoxy-4,5-dimethyl-benzaldehyde (CAS 886498-72-2)
- 1-(Pyridin-4-yl)prop-2-yn-1-ol (CAS 1087354-01-5)
- Tafluprost Impurity 32 (CAS CATO-C4X-216332)
- (E)-3-(3-((4-iodo-3,5-dimethyl-1H-pyrazol-1-yl)methyl)-4-methoxyphenyl)acrylic acid (CAS 1173463-34-7)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
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