7-Hydroxy-5-(pyridin-3-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid CAS 1713639-47-4
| CAS No. | 1713639-47-4 |
| Molecular Formula | C12H8N4O3 |
| Molecular Weight | 256.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 7-Hydroxy-5-(pyridin-3-yl)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.
7-Hydroxy-5-(pyridin-3-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1713639-47-4), molecular formula C12H8N4O3 and molecular weight 256.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-Hydroxy-5-(pyridin-3-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (C12H8N4O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 256.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H8N4O3 |
| Molecular Weight | 256.22 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Hydroxy Standards
- 3-Hydroxy-5-[4-(trifluoromethyl)phenyl]cyclohex-2-ene-1-one (CAS 110165-98-5)
- 7-Hydroxy-5-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1646543-40-9)
- 7-Hydroxy-5-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1707372-70-0)
- 1-Hydroxy-4-nitroacridin-9(10H)-one (CAS 40385-46-4)
- 4-Hydroxy-7-phenoxyisobenzofuran-1,3-dione (CAS 89450-88-4)
- 2-Hydroxy-6-(4-hydroxystyryl)benzoic acid (CAS 113428-99-2)
- 2-(2-Hydroxy-4-methoxyphenyl)benzofuran-5-ol (CAS 114333-24-3)
- (R)-7-Hydroxy-3-(4-hydroxyphenyl)chroman-4-one (CAS 58865-02-4)
Recommended Standards
- Azido-PEG1-NHS ester (CAS 1807530-06-8)
- 4-((6-Amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)amino)-4-oxobutanoic acid (CAS 169234-54-2)
- 4-Nitro-N-phenylbenzo[c][1,2,5]oxadiazol-5-amine (CAS 18378-16-0)
- (E)-Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)allyl)oxy)silane (CAS 167896-47-1)
- Methyl({[1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl})amine (CAS 1216060-02-4)
- 1-(3-Nitrophenyl)-3-(pyridin-4-ylmethyl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione hydrochloride (CAS 152815-28-6)
- 4-((3-Bromophenyl)sulfonyl)-N-(1-(thiophen-2-yl)ethyl)piperazine-1-carboxamide (CAS 1090528-71-4)
- 1-[4-(Dimethylamino)piperidin-1-yl]prop-2-en-1-one (CAS 1156158-03-0)
- 5-Amino-4,6-dimethylnicotinonitrile (CAS 40548-90-1)
- Benzyl 4-methyl-3-oxo-3,4-dihydropyrazine-1(2H)-carboxylate (CAS 851726-65-3)
- 2,3-Dichloropyrazine (CAS 4858-85-9)
- 1,4-Dimethyl-1H-benzo[d]imidazol-2-amine (CAS 1467571-43-2)
- N-(2-Aminophenyl)-4-nitrobenzamide (CAS 6338-73-4)
- Des-Ala18-Tirzepatide (CAS CATO-CPTD788955)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com