N,3-Dimethylisoxazolo[5,4-d]pyrimidin-4-amine CAS 68571-90-4
| CAS No. | 68571-90-4 |
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures N,3-Dimethylisoxazolo[5,4-d]pyrimidin-4-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies N,3-Dimethylisoxazolo[5,4-d]pyrimidin-4-amine (CAS 68571-90-4), a certified reference material (molecular formula C7H8N4O, MW 164.16 g/mol) for analytical method development and quality control.
Structurally, N,3-Dimethylisoxazolo[5,4-d]pyrimidin-4-amine (C7H8N4O) 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 164.16 g/mol, it falls into the medium-molecular-weight range. 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).
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 | 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.) | 1976 |
| Nitrogen Atoms | 4 |
Related N Standards
- 5,6-Dimethylisoxazolo[4,3-c]pyridin-4(5H)-one (CAS 176683-51-5)
- 3,4-Dimethylisoxazolo[5,4-b]pyridin-6(7H)-one (CAS 19385-56-9)
- 3,6-Dimethylisoxazolo[5,4-b]pyridin-4-ol (CAS 19385-59-2)
- 4,6-Dimethylisoxazolo[3,4-b]pyridin-3(1H)-one (CAS 339365-49-0)
- 4,6-Dimethylisoxazolo[5,4-b]pyridin-3(2H)-one (CAS 56366-97-3)
- 4,6-Dimethylisoxazolo[3,4-b]pyridin-3-amine (CAS 670246-33-0)
- 4,6-Dimethylisoxazolo[5,4-b]pyridin-3-amine (CAS 916792-12-6)
- 5,7-Dimethylisoxazolo[3,4-c]pyridin-3(1H)-imine (CAS 95109-28-7)
Recommended Standards
- N-(5-Cyano-1,3-dimethyl-1H-pyrazol-4-yl)formamide (CAS 89239-21-4)
- N,N'-(1,2-Phenylene)diformamide (CAS 31354-51-5)
- N-(4-cyano-1-methyl-1H-pyrazol-5-yl)acetamide (CAS 5334-42-9)
- N,N'-(1,4-Phenylene)diformamide (CAS 6262-22-2)
- 2-(4-(6-Methylthiazolo[3,2-b][1,2,4]triazol-5-yl)thiazol-2-yl)guanidine (CAS 187596-89-0)
- (2R)-2-amino-2-[4-(methylethyl)phenyl]acetic acid (CAS 348081-47-0)
- 4-Chloro-1-[(2,6-dichlorophenyl)methyl]-1h-pyrazol-3-amine (CAS 1004194-66-4)
- 2-methylsulfanylpyrido[4,3-d]pyrimidine (CAS 1554485-62-9)
- 4-Methyl-5-{[2-(trifluoromethyl)phenyl]methanesulfonyl}-1,2,3-thiadiazole (CAS 400087-44-7)
- Caroxazone (CAS 18464-39-6)
- 6-hydroxy-2λ⁶-thiaspiro[3.3]heptane-2,2-dione (CAS 1936102-87-2)
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- Bempedoic Acid Impurity 6 (CAS 3023294-04-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com