2-Chloro-4-(1-methyl-1H-1,2,4-triazol-5-yl)pyrimidine CAS 1203250-45-6
| CAS No. | 1203250-45-6 |
| Molecular Formula | C7H6ClN5 |
| Molecular Weight | 195.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-4-(1-methyl-1H-1,2,4-triazol-5-yl)pyrimidine (C7H6ClN5) contains a nitrile group, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Chloro-4-(1-methyl-1H-1,2,4-triazol-5-yl)pyrimidine (CAS 1203250-45-6), molecular formula C7H6ClN5 and molecular weight 195.61 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Chloro-4-(1-methyl-1H-1,2,4-triazol-5-yl)pyrimidine 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 | C7H6ClN5 |
| Molecular Weight | 195.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- 2-Chloro-N-(3-cyanopyridin-2-yl)acetamide (CAS 1065483-86-4)
- 2-Chloro-6-methyl-4-(2H-tetrazol-5-yl)pyridine, 97% (CAS 1112181-66-4)
- 4-Chloro-6-(1H-imidazol-1-yl)pyrimidin-2-amine (CAS 1158769-28-8)
- 4-Chloro-6-(1h-pyrazol-1-yl)pyrimidin-2-amine (CAS 115930-71-7)
- 6-Chloro-n-(prop-2-yn-1-yl)pyridazine-3-carboxamide (CAS 1184096-11-4)
- 6-Chloro-N-(1H-pyrazol-3-yl)pyrimidin-4-amine (CAS 1208856-44-3)
- 4-Chloro-2-methyl-6-(1h-1,2,4-triazol-1-yl)pyrimidine (CAS 1247897-60-4)
- 4-Chloro-5-methyl-5H-pyrrolo[3,2-d]pyrimidine-7-carbaldehyde (CAS 1255939-60-6)
Recommended Standards
- N-(4-Chlorophenyl)-N′-cyanourea (CAS 115956-45-1)
- 1-(4-Chlorophenyl)-1H-1,2,4-triazol-5(4H)-one (CAS 121117-98-4)
- 3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-amine (CAS 1225851-81-9)
- 6-Chloroimidazo[1,2-a]pyridine-3-carboxamide (CAS 123531-56-6)
- 5-Fluoro-6-iodo-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1357387-67-7)
- Ethyl 6-hydroxypyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1396762-29-0)
- 1,3,5-Tribromo-1,6-dichloro-1,2,2,3,4,4,5,6,6-nonafluorohexane (CAS 81059-82-7)
- (1-Cyclopropyl-1h-1,3-benzodiazol-2-yl)methanamine (CAS 1094220-55-9)
- 3-Methyl-1-[2-oxo-2-(piperazin-1-yl)ethyl]-2,5-dihydro-1h-pyrrole-2,5-dione hydrochloride (CAS 1258639-85-8)
- Methyl 2-(2,2,2-trifluoroacetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 304668-20-0)
- 4-(2-Fluorobenzylidene)piperidine (CAS 676490-76-9)
- 10,10-Difluoro-2-(6-methylpyridazin-3-yl)-2,7-diazaspiro[4.5]decane (CAS 1422134-74-4)
- 4-Bromo-6-chloropicolinimidamide hydrochloride (CAS 2089327-41-1)
- Peptide Impurity (CAS CATO-CPTD788810)
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