5-Methyl-[1,2,3]triazolo[1,5-a]pyrimidin-7-ol CAS 344749-19-5
| CAS No. | 344749-19-5 |
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 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-Methyl-[1,2,3]triazolo[1,5-a]pyrimidin-7-ol (CAS 344749-19-5) is a high-purity analytical reference standard with the molecular formula C6H6N4O and a molecular weight of 150.14 g/mol.
Structurally, 5-Methyl-[1,2,3]triazolo[1,5-a]pyrimidin-7-ol (C6H6N4O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 150.14 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-Methyl-[1,2,3]triazolo[1,5-a]pyrimidin-7-ol 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 | C6H6N4O |
| Molecular Weight | 150.14 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.) | 2025 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- [1,2,4]Triazolo[4,3-a]pyrazin-3-ylmethanol (CAS 1159532-54-3)
- [1,2,4]triazolo[1,5-a]pyrimidin-2-ylmethanol (CAS 1160695-16-8)
- [1,2,4]Triazolo[1,5-a]pyrimidine-2,7-diamine (CAS 1221792-57-9)
- [1,2,4]Triazolo[1,5-c]pyrimidine-5,7-diamine (CAS 144105-17-9)
- [1,2,4]Triazolo[1,5-a]pyrazin-2-ylmethanol (CAS 1823925-32-1)
- 6-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-8-ol (CAS 18591-70-3)
- [1,2,4]Triazolo[4,3-b]pyridazine-3,6-diamine (CAS 19195-48-3)
- [1,2,4]Triazolo[4,3-b]pyridazin-3-ylmethanol (CAS 88277-73-0)
Recommended Standards
- 5-Methoxy-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 875217-92-8)
- 5-methyl-1H,4H,7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 55904-62-6)
- 5-Hydrazinyl-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 877402-55-6)
- 5-Methyl-1H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine (CAS 63586-32-3)
- tert-Butyl 3-(2,7-dichloro-8-fluoropyrido[4,3-d]pyrimidin-4-yl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate (CAS 2454397-98-7)
- 4-Dimethylamino-o-tolualdehyde (CAS 1199-59-3)
- (R)-1-(tert-butoxycarbonyl)-2-methylpiperidine-2-carboxylic acid (CAS 1415566-32-3)
- 5-(Furan-2-yl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 381175-08-2)
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