3-Phenylpyrazolo[1,5-a]pyrimidine-5,7-diol CAS 99898-63-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99898-63-2 |
| Molecular Formula | C12H9N3O2 |
| Molecular Weight | 227.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Phenylpyrazolo[1,5-a]pyrimidine-5,7-diol (CAS 99898-63-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H9N3O2. Molecular weight: 227.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H9N3O2 |
| Molecular Weight | 227.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related Phenylpyrazolo Standards
- 3-Phenylpyrazolo[1,5-a]pyrimidine-2,7(1H,4H)-dione (CAS 1334487-59-0)
- 2-Phenylpyrazolo[1,5-a]pyrimidine-5,7-diol (CAS 64947-24-6)
- 6-Methyl-1-phenylpyrazolo[3,4-d][1,3]oxazin-4(1H)-one (CAS 51649-70-8)
- 2-Phenylpyrazolo[1,5-a]pyrazine-4(5H)-thione (CAS 933242-89-8)
- 2-Methyl-5-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 107625-17-2)
- 2-Methyl-7-phenylpyrazolo[1,5-a]pyrimidin-5-ol (CAS 309949-80-2)
- 5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 65774-92-7)
- 5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 90019-55-9)
Recommended Standards
- 3'-Nitro-[1,1'-biphenyl]-2-carbaldehyde (CAS 209863-08-1)
- 3-Phenylpyrrolo[1,2-a][1,3,5]triazine-2,4(1H,3H)-dione (CAS 99532-82-8)
- 3-Methyl-4-phenoxy-[1,2]oxazolo[5,4-d]pyrimidine (CAS 672925-12-1)
- [(4-fluorophenyl)methyl](prop-2-yn-1-yl)amine hydrochloride (CAS 1158359-45-5)
- 2,4-Dichloro-3,5-Dinitrobenzonitrile (CAS 1930-71-8)
- (S)-1-Chloropropan-2-ol (CAS 37493-16-6)
- 1-(3-Chlorobenzyl)piperidin-4-amine (CAS 343778-59-6)
- Levocabastine EP Impurity F (CAS 785021-81-0)
- 4-Fluoro-2-(morpholinomethyl)phenylboronic Acid Pinacol Ester Hydrochloride (CAS 2096340-34-8)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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