7-hydroxy-4H,5H-pyrazolo[1,5-a]pyrimidin-5-one CAS 57489-70-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57489-70-0 |
| Molecular Formula | C6H11N3O2 |
| Molecular Weight | 157.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-hydroxy-4H,5H-pyrazolo[1,5-a]pyrimidin-5-one (CAS 57489-70-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H11N3O2. Molecular weight: 157.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H11N3O2 |
| Molecular Weight | 157.17 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 3 |
Related hydroxy Standards
- 4-(1-Hydroxy-2-propyn-1-yl)benzonitrile (CAS 1595-70-6)
- 3-Hydroxy-7-azabicyclo[2.2.1]Heptane-1-carboxylic acid (CAS 1822552-93-1)
- 6-Hydroxy-2-benzoxazolinone 6-hydroxybenzo[d]oxazol-2(3H)-one 78213-03-3 (CAS 78213-03-3)
- Hydroxy Tyrosol-d3Discontinued, please see H977002 (CAS 294660-90-5)
- N'-hydroxy-4-methyl-1,3-thiazole-5-carboximidamide (CAS 1006047-46-6)
- 5-Hydroxy-3-methyl-1H-pyrazole-1-carbothioamide (CAS 146120-04-9)
- N'-Hydroxy-2-methylthiazole-4-carboximidamide (CAS 263385-95-1)
- 5-Hydroxy-4-(methylamino)-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde (CAS 134419-31-1)
Recommended Standards
- 7H-Furo[3,2-f]indole (CAS 863993-85-5)
- 7-Isoquinolinecarboxaldehyde (CAS 87087-20-5)
- 7-Formylquinoline (CAS 49573-30-0)
- Indolin-1-yl(piperidin-4-yl)methanone sulfate (CAS 1185297-96-4)
- 2-azido-1-(4-methoxyphenyl)ethan-1-one (CAS 6595-28-4)
- 4-(Allyloxy)thiophene-2-carboxylic acid (CAS 1512439-65-4)
- (2S,3S)-Methyl 3-aminobicyclo[2.2.2]octane-2-carboxylate (CAS 1932276-78-2)
- 68973-20-6 3,5-Undecadien-2-one DTXSID7071947 (CAS 68973-20-6)
- Methyl 3-amino-4-methyl-5-(pentyloxy)benzoate (CAS 1429902-94-2)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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