4-Methoxy-1H-pyrazolo[3,4-d]pyrimidine CAS 5399-93-9
| CAS No. | 5399-93-9 |
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Methoxy-1H-pyrazolo[3,4-d]pyrimidine (CAS 5399-93-9) is a high-purity analytical reference standard with the molecular formula C6H6N4O and a molecular weight of 150.14 g/mol.
4-Methoxy-1H-pyrazolo[3,4-d]pyrimidine (C6H6N4O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.) | 1958 |
| Nitrogen Atoms | 4 |
Related Methoxy Standards
- 8-Methoxy-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 106921-54-4)
- 5-Methoxy-1H-pyrazolo[3,4-b]pyrazine (CAS 116527-53-8)
- 7-methoxy-1H-pyrazolo[4,3-d]pyrimidine (CAS 1545675-68-0)
- 5-Methoxy-[1,2,4]triazolo[1,5-a]pyrazine (CAS 1823902-98-2)
- 2-Methoxy-7H-purine (CAS 37432-20-5)
- 5-Methoxy-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 875217-92-8)
- 6-Methoxy-[1,2,4]triazolo[4,3-b]pyridazine (CAS 58826-42-9)
- 8-Methoxy-1H-purine (CAS 23658-66-4)
Recommended Standards
- 4-Imino-3-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 857410-47-0)
- 5-(Cyanomethyl)-1H-imidazole-4-carboxamide (CAS 56039-08-8)
- 4-Cyano-2-methyl-1H-imidazole-5-carboxamide (CAS 915091-77-9)
- 5-(Isoxazol-5-yl)-1H-pyrazol-3-amine (CAS 950738-86-0)
- 1-(3-Methoxy-4-(pentyloxy)phenyl)propan-1-one (CAS 1443307-06-9)
- Dimethyl-{6-[4-(1-methyl-1H-pyrazol-3-yl)-phenyl]-4-trifluoromethyl-pyridin-2-yl}-amine (CAS 1311279-45-4)
- 2-(2-Methoxyphenyl)-4(3H)-quinazolinone (CAS 1028-96-2)
- [3,3'-Bipyridine]-6,6'-dicarboxylic acid (CAS 861406-83-9)
- 4-Allyl-5-((4-(tert-butyl)phenoxy)methyl)-4h-1,2,4-triazole-3-thiol (CAS 568574-87-8)
- 1-Bromo-4-iodoisoquinoline (CAS 1823904-45-5)
- (1S,2R)-2-(((((9H-fluoren-9-yl)methoxy)carbonyl)amino)methyl)cyclopropane-1-carboxylic acid (CAS 2196203-06-0)
- 1,2,4,5-Tetrakis[4-(3',5'-dicarboxy-1,1'-biphenyl)]-3,6dimethylbenzene (CAS 2098551-92-7)
- 3-Piperidinobenzaldehyde (CAS 669050-72-0)
- Fibrinopeptide A, human TFA (CAS 61533-47-9)
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