5,7-Dimethyl-6-(3-methylbenzyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid CAS 656817-41-3
| CAS No. | 656817-41-3 |
| Molecular Formula | C17H17N3O2 |
| Molecular Weight | 295.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5,7-Dimethyl-6-(3-methylbenzyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5,7-Dimethyl-6-(3-methylbenzyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 656817-41-3), a certified reference material (molecular formula C17H17N3O2, MW 295.34 g/mol) for analytical method development and quality control.
Structurally, 5,7-Dimethyl-6-(3-methylbenzyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (C17H17N3O2) contains a steroid core, 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 295.34 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.
CATO manufactures 5,7-Dimethyl-6-(3-methylbenzyl)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 | C17H17N3O2 |
| Molecular Weight | 295.34 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.) | 1985 |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
- Methyl 1,3-dimethyl-6-(p-tolyl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011359-97-9)
- (3,5-Dimethyl-1H-pyrazol-1-yl)(5-methyl-1-(p-tolyl)-1H-1,2,3-triazol-4-yl)methanone (CAS 1015868-11-7)
- Ethyl 5,7-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1018144-32-5)
- 1,5-Dimethyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-1H-pyrazole-3-carboxamide (CAS 1171948-24-5)
- N-(5,7-Dimethyl-2-(methylamino)pyrazolo[1,5-a]pyrimidin-3-yl)benzamide (CAS 1179499-76-3)
- 1,3-Dimethyl-5-{[(2-piperazin-1-ylethyl)amino]methylene}pyrimidine-2,4,6(1H,3H,5H)-trione (CAS 299935-15-2)
- 1,3-Dimethyl-6-(p-tolyl)-1H-pyrazolo[3,4-b]pyridine-4-carbohydrazide (CAS 938018-19-0)
- 3-(5,7-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-6-yl)propanoic acid (CAS 879575-62-9)
Recommended Standards
- 5,6-Dimethyl-1-(3-methylbenzyl)-4-nitro-1H-benzo[d]imidazole (CAS 338423-03-3)
- 5,7-Dimethyl-6-(4-methylbenzyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 440627-38-3)
- 5,6-Dimethyl-1-(2-methylbenzyl)-4-nitro-1H-benzo[d]imidazole (CAS 338423-69-1)
- 5'-Amino-[1,1':3',1''-terphenyl]-4',6'-dicarbonitrile (CAS 36337-28-7)
- 4-Phenyl-5-(propan-2-ylsulfanyl)-1,2,3-thiadiazole (CAS 338408-21-2)
- 2-Aminobenzimidazole-4-carboxylic Acid (CAS 716362-36-6)
- 2-((6,8-Dichloro-4-hydroxyquinazolin-2-yl)thio)acetic acid (CAS 87634-47-7)
- 4-(2-Cyclohexylethyl)piperidine hydrochloride (CAS 60601-61-8)
- 2,3,3,4,4,5,5,6,6-Nonafluorotetrahydro-2H-pyran-2-carboxylic acid (CAS 2248063-91-2)
- 4-(Bromomethyl)-5-methylpyrimidine (CAS 135645-52-2)
- methyl 7-chloro-5-methylimidazo[1,5-a]pyridine-1-carboxylate (CAS 1427402-85-4)
- 1-Ethylazetidine-3-carboxylic acid (CAS 106887-13-2)
- 3-(2-Aminoethyl)-5,7-dichloro-1H-indole-2-carboxylic acid (CAS 2447-24-7)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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 18665070610 / Nicole.chen@cato-chem.com