8-Methoxy-3-methyl-[1,2,4]triazolo[4,3-c]pyrimidine CAS 106921-51-1
| CAS No. | 106921-51-1 |
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methoxy-3-methyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 106921-51-1) is a high-purity analytical reference standard with the molecular formula C7H8N4O and a molecular weight of 164.16 g/mol.
Owing to an amide group, a hydroxyl group, an ether linkage, an aromatic ring system, 8-Methoxy-3-methyl-[1,2,4]triazolo[4,3-c]pyrimidine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 164.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 8-Methoxy-3-methyl-[1,2,4]triazolo[4,3-c]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.
Physical & Chemical Properties
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 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.) | 1987 |
| Nitrogen Atoms | 4 |
Related Methoxy Standards
- 6-Methoxy-1H-pyrrolo[3,2-c]pyridin-2(3H)-one (CAS 1000342-83-5)
- 4-Methoxy-1H-pyrrolo[3,2-c]pyridin-2(3H)-one (CAS 1000342-85-7)
- 4-Methoxy-1H-indazol-3-ol (CAS 1000342-89-1)
- 2-Methoxy-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 100383-13-9)
- 2-Methoxy-6-methyl-9H-purine (CAS 101861-33-0)
- 6-Methoxy-2,3-dihydro-1H-pyrrolo[3,4-c]pyridin-1-one (CAS 1023300-26-6)
- 8-Methoxy-2-methyl-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 106921-55-5)
- 4-Methoxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190311-10-4)
Recommended Standards
- 5-(Hydroxymethyl)-1H-benzo[d]imidazol-2(3H)-one (CAS 106429-58-7)
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- 1-(Pyrazin-2-yl)butane-1,3-dione (CAS 106971-51-1)
- 5-Formyl-2-methylbenzoic acid (CAS 105650-34-8)
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- 4-Chloro-3-iodo-1-(oxan-4-yl)-1h-pyrazole (CAS 1513306-74-5)
- 3-(3-(Hydroxymethyl)piperidin-1-yl)-3-oxopropanenitrile (CAS 1154253-83-4)
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- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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