6-Hydroxy-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one CAS 28668-25-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28668-25-9 |
| Molecular Formula | C6H6N4O2 |
| Molecular Weight | 166.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 6-Hydroxy-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 28668-25-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H6N4O2. Molecular weight: 166.14 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H6N4O2 |
| Molecular Weight | 166.14 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, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 4 |
Related Hydroxy Standards
- (Z)-2-Hydroxy-3-(pyrimidin-4-yl)acrylic acid (CAS 153690-13-2)
- 5-hydroxy-2H-1,3-benzodioxole-4-carbaldehyde (CAS 154392-17-3)
- 4-Hydroxy-2H-1,3-benzodioxole-5-carbaldehyde (CAS 23780-59-8)
- 5-Hydroxy-2H-pyrido[3,2-b][1,4]oxazin-3(5H)-one (CAS 956462-80-9)
- 7-Hydroxy-3-methylisoxazolo[4,5-b]pyridin-5(4H)-one (CAS 83988-34-5)
- 2-(3-Hydroxy-4-methylphenyl)acetic acid (CAS 103262-83-5)
- 2-Hydroxy-5-(2-hydroxyethyl)benzaldehyde (CAS 110005-81-7)
- (S)-2-Hydroxy-2-phenylpropionic Acid (CAS 13113-71-8)
Recommended Standards
- 6-Hydrazinyl-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 98021-51-3)
- 6-Methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one (CAS 33050-33-8)
- 6-(Hydroxyamino)-7h-purin-2-amine (CAS 7269-57-0)
- 5-Cyclopropoxy-2-isopropoxyisonicotinaldehyde (CAS 1243353-78-7)
- 1,1,3,3-Tetramethoxy-1,3-bis(3,3,3-trifluoropropyl)disiloxane (CAS 109961-44-6)
- N-((4-Chloro-6-methylpyrimidin-2-yl)methyl)benzamide (CAS 88875-02-9)
- 2-((5-Cyclohexyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(3,4-dichlorophenyl)acetamide (CAS 332872-88-5)
- 5-BENZYLOXYINDOLINE (CAS 92818-36-5)
- (3S)-3-fluoroazepane (CAS 2165740-91-8)
- Anti-Inflammatory Peptide 2 (CAS 118850-72-9)
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 13829788188 / jacky.chen@cato-chem.com