1H-pyrazolo[1,5-a]imidazole-6-carboxylic acid CAS 159181-78-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 159181-78-9 |
| Molecular Formula | C6H11N3O2 |
| Molecular Weight | 157.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-pyrazolo[1,5-a]imidazole-6-carboxylic acid (CAS 159181-78-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H11N3O2. Molecular weight: 157.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 2002 |
| Nitrogen Atoms | 3 |
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- {1H-pyrazolo[3,4-b]pyridin-5-yl}methanol (CAS 1824400-75-0)
- 1H-pyrazolo[3,4-b]pyridine-4,5-diamine (CAS 2168561-89-3)
- 1H-pyrazolo[3,4-b]pyridin-3-ylmethanamine (CAS 1155846-90-4)
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- 1-{pyrazolo[1,5-b]pyridazin-3-yl}methanamine (CAS 1461705-67-8)
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Recommended Standards
- (S)-Methyl 6-oxopiperidine-2-carboxylate (CAS 158414-69-8)
- (2S,3S)-2-Azido-3-methylpentanoic Acid (CAS 159407-40-6)
- 2-(3-Methoxy-4-methylisoxazol-5-yl)ethanol (CAS 157170-95-1)
- lithium(1+) ion 1,3-dimethyl-2-oxopyrrolidine-3-carboxylate (CAS 2031259-32-0)
- tert-Butyl 5,8-dihydro-5,8-epiminonaphtho[2,3-d][1,3]dioxole-10-carboxylate (CAS 929189-19-5)
- Bis(2-methyl-2-propanyl)(1-{(3aS,4R,6aR)-2,2-dimethyl-6-[(trityloxy)methyl]-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl}-1H-imidazo[4,5-c]pyridin-4-yl)imidodicarbonate (CAS 1207561-02-1)
- Umeclidinium Impurity 8 (CAS 55022-88-3)
- 2,2,2-Trifluoroethyl n-[5-(dimethylsulfamoyl)-2-methoxyphenyl]carbamate (CAS 1235440-73-9)
- Ethyl 3-oxo-3-(1,3-thiazol-5-yl)propanoate (CAS 1356404-83-5)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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