6-chloro-[1,2,4]triazolo[1,5-a]pyrimidine-2-carbaldehyde CAS 749929-27-9
| CAS No. | 749929-27-9 |
| Molecular Formula | C6H11ClN4O |
| Molecular Weight | 190.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-chloro-[1,2,4]triazolo[1,5-a]pyrimidine-2-carbaldehyde is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-chloro-[1,2,4]triazolo[1,5-a]pyrimidine-2-carbaldehyde (CAS 749929-27-9) is a high-purity analytical reference standard with the molecular formula C6H11ClN4O and a molecular weight of 190.63 g/mol.
Structurally, 6-chloro-[1,2,4]triazolo[1,5-a]pyrimidine-2-carbaldehyde (C6H11ClN4O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 190.63 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H11ClN4O |
| Molecular Weight | 190.63 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 2-Chloro-3,3'-bipyridine (CAS 101001-94-9)
- 6-Chloro-1-naphthaldehyde (CAS 116632-02-1)
- 4-Chloro-7-methyl-1H-indole-6-carbonitrile (CAS 1167056-04-3)
- 2-Chloro-3,4'-bipyridine (CAS 1187968-06-4)
- 5-chloro-1-methyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 1211533-31-1)
- 4-Chloro-2,4'-bipyridine (CAS 1214335-54-2)
- 2-Chloro-N'-(2-cyclopropylacetyl)acetohydrazide (CAS 1263386-34-0)
- 2-Chloro-4-phenylpyrimidine (CAS 13036-50-5)
Recommended Standards
- 5-Chloro-3,3'-bipyridine (CAS 284040-67-1)
- 6'-Chloro-2,3'-bipyridine (CAS 93297-75-7)
- 5-Chloro-2-phenylpyrimidine (CAS 34771-50-1)
- 6-Chloro-2,3'-bipyridine (CAS 39883-45-9)
- 3-(2-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)ethoxy)benzaldehyde (CAS 338409-15-7)
- Ethyl 2-(1H-pyrrol-1-yl)acetate (CAS 5145-67-5)
- 4-(Trifluoromethyl)cyclohexylamine (CAS 58665-70-6)
- 1-Methyl-3-(thiophen-2-yl)-5-(trifluoromethyl)-1H-pyrazole (CAS 650615-64-8)
- 2-(4-Chloro-benzyloxymethyl)-piperidine hydrochloride (CAS 1261232-16-9)
- 1-Propyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (CAS 216299-72-8)
- Ethyl 2-chloro-4-formylnicotinate (CAS 1708079-66-6)
- N-ethyl-4-(4-fluorophenoxy)-6-(trifluoromethyl)pyrimidin-2-amine (CAS 339011-35-7)
- Silodosin Impurity 31 (CAS CATO-C4X-175431)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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