6-(2-Hydroxyethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid CAS 725693-84-5
| CAS No. | 725693-84-5 |
| Molecular Formula | C9H9N3O3 |
| Molecular Weight | 207.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-(2-Hydroxyethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-(2-Hydroxyethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 725693-84-5), molecular formula C9H9N3O3 and molecular weight 207.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-(2-Hydroxyethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (C9H9N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 207.19 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6-(2-Hydroxyethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9N3O3 |
| Molecular Weight | 207.19 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
Related Hydroxyethyl Standards
- 2-((2-Hydroxyethyl)amino)-5-nitrobenzonitrile (CAS 63989-40-2)
- 6-(2-Hydroxyethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 712319-12-5)
- 6-(2-Hydroxyethyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 129909-67-7)
- 2-(2-Hydroxyethyl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (CAS 1873-11-6)
- 2-(2-Hydroxyethyl)-6-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 191096-42-1)
- N-(2-hydroxyethyl)-3-(4-methylphenyl)propanamide (CAS 1153552-30-7)
- (S)-4-(2-hydroxyethyl)-2-(pyrrolidin-2-yl)phenol (CAS 1213169-37-9)
- 4-(2-Hydroxyethyl)-1-phenylpyrazolidin-3-one (CAS 113410-22-3)
Recommended Standards
- 6-(4-Hydroxyphenyl)-1,3,5-triazinane-2,4-dione (CAS 57431-51-3)
- 5-Oxo-1-(pyrimidin-2-yl)pyrrolidine-3-carboxylic acid (CAS 944648-75-3)
- 6-Amino-1-(furan-2-ylmethyl)pyrimidine-2,4(1H,3H)-dione (CAS 230644-88-9)
- 5-Methyl-N-(5-methylisoxazol-3-yl)-2H-1,2,3-triazole-4-carboxamide (CAS 828297-94-5)
- 3-(2-Dimethylamino-ethylamino)-propionitrile (CAS 71326-20-0)
- (1-(2-Fluorophenyl)pyrrolidin-3-yl)methanamine dihydrochloride (CAS 1269376-45-5)
- 8-Amino-1,6-naphthalenedisulfonic acid sodium salt (CAS 129-91-9)
- 3-(3,5-Difluorophenyl)acrylic acid (CAS 84315-23-1)
- (2R,3R)-2,3-dihydroxy-4-oxo-4-(p-tolylamino)butanoic acid (CAS 206761-79-7)
- Methyl dichloro-2,2-3-trifluoropropionate (CAS 13291-19-5)
- Atorvastatin Impurity 86 (CAS 1046118-44-8)
- 3-(3-Fluoro-4-methoxyphenyl)-2-hydroxypropanoic acid (CAS 1512061-05-0)
- N-Hydroxy-2-[(2-hydroxyethyl)(methyl)amino]-benzenecarboximidamide (CAS 1216330-09-4)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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