5-Butyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol CAS 77695-19-3
| CAS No. | 77695-19-3 |
| Molecular Formula | C9H12N4O |
| Molecular Weight | 192.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Butyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (CAS 77695-19-3) is a high-purity analytical reference standard with the molecular formula C9H12N4O and a molecular weight of 192.22 g/mol.
5-Butyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (C9H12N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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 | C9H12N4O |
| Molecular Weight | 192.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 4 |
Related Butyl Standards
- 3-[1,2,4]triazolo[1,5-a]pyrimidin-2-ylpropanoic acid (CAS 1018170-77-8)
- 7-Ethyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1049606-50-9)
- (6-methyl[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid (CAS 1160245-80-6)
- Ethyl [1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylate (CAS 1335055-70-3)
- Ethyl [1,2,4]triazolo[4,3-c]pyrimidine-3-carboxylate (CAS 1518418-22-8)
- Ethyl [1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1864014-92-5)
- 6-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-8-yl acetate (CAS 478258-97-8)
- ethyl [1,2,4]triazolo[1,5-a]pyrimidine-7-carboxylate (CAS 941203-64-1)
Recommended Standards
- 5,6-Diamino-1,3-dimethyl-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 98953-81-2)
- 5-Ethyl-1,3-dimethyl-1H-pyrazolo[4,3-d]pyrimidin-7(4H)-one (CAS 89239-43-0)
- 5-(tert-Butyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (CAS 61776-82-7)
- 6-(2-Ethoxyethyl)-9H-purine (CAS 920503-80-6)
- 3-(Ethylcarbamoyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 1429419-20-4)
- 4-Bromo-2-(tert-butyl)-6-chloroaniline (CAS 1079742-66-7)
- (E)-2-Styrylaniline (CAS 27652-35-3)
- 4-(((5-Methylfuran-2-yl)methyl)amino)-4-oxobutanoic acid (CAS 342022-19-9)
- 3-Oxa-7-azabicyclo[4.1.0]heptane (CAS 333-10-8)
- 2-(2-Chloroethyl)-1,4,5,6-tetrahydropyrimidine hydrochloride (CAS 2138288-43-2)
- 2-(6-Bromoimidazo[1,2-a]pyridin-2-yl)acetic acid (CAS 59128-15-3)
- trans-4-Methoxy-1-methylpyrrolidin-3-amine (CAS 1212103-66-6)
- rac-methyl (2R,5S)-5-[4-(trifluoromethyl)phenyl]oxolane-2-carboxylate (CAS 2044705-95-3)
- Peptide Impurity 70 TFA Salt (CAS CATO-CPTD788570)
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