7-Hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile CAS 89939-60-6
| CAS No. | 89939-60-6 |
| Molecular Formula | C8H6N4O |
| Molecular Weight | 174.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 7-Hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile 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.
7-Hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 89939-60-6) is a high-purity analytical reference standard with the molecular formula C8H6N4O and a molecular weight of 174.16 g/mol.
7-Hydroxy-5-methylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (C8H6N4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C8H6N4O |
| Molecular Weight | 174.16 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
Related Hydroxy Standards
- 3-Hydroxy-1,5-naphthyridine-4-carbaldehyde (CAS 1056877-14-5)
- 4-Hydroxy-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile (CAS 116835-13-3)
- 2-Hydroxy-1,4-Naphthoquinone (CAS 83-72-7)
- 5-Hydroxy-1,4-naphthoquinone (CAS 481-39-0)
- 5-Hydroxy-2-(methylsulfonyl)pyrimidine (CAS 16290-90-7)
- 4-Hydroxy-3-Pyridinesulfonamide (CAS 758699-17-1)
- ethyl 5-hydroxy-4-oxohexanoate (CAS 105469-27-0)
- (R)-2-Hydroxy-3-(tetrahydro-2H-pyran-4-yl)propanoic acid (CAS 1207447-40-2)
Recommended Standards
- 7-Aminoquinoline-5,8-dione (CAS 64636-91-5)
- 7-Nitroquinoline (CAS 613-51-4)
- 7-Amino-2-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 896666-78-7)
- 7-Nitrosoquinolin-8-ol (CAS 26015-96-3)
- 3-(4-Methylphenyl)-4,5-dihydro-1H-pyrazole-5-carboxylic acid (CAS 104803-06-7)
- 7-Bromo-3-(chloromethyl)isoquinoline (CAS 2092868-00-1)
- 4,5-Dimethylpyridin-2-amine hydrochloride (CAS 179555-16-9)
- 6-(Benzyl(methyl)amino)-5-methylnicotinic acid (CAS 1355225-25-0)
- Ethyl 4,5-dibromothiophene-2-carboxylate (CAS 62224-25-3)
- (S)-2-Hydroxypentan-3-one (CAS 125948-63-2)
- (2-Acetamidoimidazo[1,2-a]pyridin-6-yl)boronic acid (CAS 947249-11-8)
- 4-(5-Methyl-thiophen-2-yl)-benzenesulfonyl chloride (CAS 923573-95-9)
- Methotrexate EP Impurity A (CAS 945-24-4)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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