3-(3-Methoxyphenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrimidine CAS 1281331-73-4
| CAS No. | 1281331-73-4 |
| Molecular Formula | C12H14N4O |
| Molecular Weight | 230.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(3-Methoxyphenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrimidine 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.
3-(3-Methoxyphenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1281331-73-4), molecular formula C12H14N4O and molecular weight 230.27 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 3-(3-Methoxyphenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrimidine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 230.27 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H14N4O |
| Molecular Weight | 230.27 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
Related Methoxyphenyl Standards
- 3-(2-Methoxyphenyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1448855-31-9)
- 3-(4-Methoxyphenyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 863713-16-0)
- 1-(4-Methoxyphenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde (CAS 1177195-12-8)
- 3-(4-Methoxyphenyl)-4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine (CAS 1188264-45-0)
- 1-(4-Methoxyphenyl)-2-(pyrimidin-4-yl)ethanol (CAS 185848-10-6)
- 1-(1-(4-Methoxyphenyl)-5-methyl-1H-pyrazol-4-yl)ethan-1-one (CAS 96723-55-6)
- 2-(3-Methoxyphenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine (CAS 944897-18-1)
- 2-(4-Methoxyphenyl)-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine (CAS 944903-51-9)
Recommended Standards
- n-(6-(1h-Imidazol-1-yl)pyridin-3-yl)butyramide (CAS 1281184-01-7)
- 2-(3-Aminopropyl)-6-(pyridin-2-yl)pyridazin-3(2h)-one (CAS 1283108-62-2)
- N-(6-(1H-imidazol-1-yl)pyridin-3-yl)isobutyramide (CAS 1281140-81-5)
- 2-(3-Aminopropyl)-6-(pyridin-4-yl)pyridazin-3(2H)-one (CAS 1283109-45-4)
- 7-Chloro-1-(2-chlorophenyl)-N,N-diethylisoquinoline-3-carboxamide (CAS 89242-33-1)
- Ethyl N-(2-methoxyethyl)-N-methylglycinate (CAS 616882-60-1)
- 1-sulfanylcyclobutane-1-carboxylic acid (CAS 1616361-00-2)
- Poly(oxy-1,2-ethanediyl),α-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethyl]-ω-[3-oxo-3-(2,3,5,6-tetrafluorophenoxy)propoxy]- (CAS 1431295-77-0)
- Ethyl 3-bromo-4-((2-methylbenzyl)oxy)benzoate (CAS 1706461-57-5)
- N-(2-(4-methylpiperazin-1-yl)-5-(trifluoromethyl)phenyl)hydroxylamine (CAS 866133-93-9)
- Quinoline-2-Carboxylic Acid (CAS 93-10-7)
- 5-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)isonicotinonitrile (CAS 1805425-01-7)
- 4-((4-Butylphenyl)diazenyl)aniline (CAS 79118-50-6)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
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