4-{3-Phenylpyrazolo[1,5-a]pyrimidin-6-yl}phenol; methanesulfonic acid CAS 1177295-41-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1177295-41-8 |
| Molecular Formula | C18H13N3O CH4O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-{3-Phenylpyrazolo[1,5-a]pyrimidin-6-yl}phenol; methanesulfonic acid (CAS 1177295-41-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H13N3O CH4O3S. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H13N3O CH4O3S |
| Molecular Weight | 383.42 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Phenylpyrazolo Standards
- 5-Phenylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1011355-77-3)
- 2-Methyl-5-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 107625-17-2)
- 5-Phenylpyrazolo[1,5-a]pyridine-2-carboxylic acid (CAS 1121056-51-6)
- 3-Phenylpyrazolo[1,5-a]pyrimidine-6-carbaldehyde (CAS 1160264-05-0)
- 1-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)ethan-1-one (CAS 122643-81-6)
- 2-Phenylpyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1255784-04-3)
- 2-Phenylpyrazolo[1,5-a]pyrimidin-6-amine (CAS 1269515-27-6)
- 4-Methyl-8-phenylpyrazolo[5,1-c][1,2,4]triazine-3-carbonitrile (CAS 1306739-47-8)
Recommended Standards
- 8-Chloro-7-fluoro-6-iodoisoquinolin-3-amine (CAS 2246363-09-5)
- 7-Ethyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-4-ol (CAS 2489784-55-4)
- 2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-isoquinoline] (CAS 850875-62-6)
- 1-Phenyl-1-(3-(trifluoromethyl)phenyl)propan-1-ol (CAS 56430-99-0)
- Ethyl 2-(azepan-1-yl)thiazole-4-carboxylate (CAS 1403567-56-5)
- Magnesium tetradecanoate (CAS 4086-70-8)
- Tirzepatide Impurity 20 (CAS CATO-C4X-324020)
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