5,7-dimethylpyrazolo[1,5-a]pyrimidine CAS 35149-38-3
| CAS No. | 35149-38-3 |
| Molecular Formula | C8H9N3 |
| Molecular Weight | 147.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5,7-dimethylpyrazolo[1,5-a]pyrimidine.
5,7-dimethylpyrazolo[1,5-a]pyrimidine (CAS 35149-38-3), molecular formula C8H9N3 and molecular weight 147.18 g/mol, is a CATO reference standard with documented purity and traceability.
5,7-dimethylpyrazolo[1,5-a]pyrimidine (C8H9N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5,7-dimethylpyrazolo[1,5-a]pyrimidine 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 | C8H9N3 |
| Molecular Weight | 147.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 3 |
Related dimethylpyrazolo Standards
- 2,5-Dimethylpyrazolo[1,5-a]pyrimidine (CAS 1263060-58-7)
- 5,6-Dimethylpyrazolo[1,5-a]pyrimidine (CAS 61578-02-7)
- 3,7-Dimethylpyrazolo[4,3-e][1,3,4]oxadiazine (CAS 436085-95-9)
- 3,6-Dimethylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 1431-00-1)
- 5,7-Dimethylpyrazolo[1,5-a]pyrimidin-2-amine (CAS 1605-78-3)
- 2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 2369-89-3)
- 5,7-Dimethylpyrazolo[1,5-a]pyrimidin-3-amine (CAS 43024-31-3)
- 5,7-Dimethylpyrazolo[1,5-a]pyrimidin-6-amine (CAS 92146-03-7)
Recommended Standards
- 5,7-Dimethylimidazo[1,2-a]pyrimidine (CAS 1990-93-8)
- 5-Amino-1-methyl-1H-indazole (CAS 50593-24-3)
- 5,7-Dimethyl-6H-pyrrolo[3,4-d]pyridazine (CAS 59718-12-6)
- 5-Amino-2-methylindazole (CAS 60518-59-4)
- 2-(4-Ethoxyphenyl)-1-{2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl}ethan-1-one (CAS 1798633-90-5)
- N-(4-(4-Chlorophenyl)-1,2,5-oxadiazol-3-yl)-2-ethylbutanamide (CAS 873083-28-4)
- 4-Methylbenzenesulfinamide (CAS 6873-55-8)
- 1-(5-Fluoro-3-iodo-1H-indol-2-yl)ethanone (CAS 2757700-58-4)
- Argatroban Impurity 51 (CAS CATO-C4X-100751)
- 3-Morpholin-4-ylbutan-1-ol (CAS 35806-22-5)
- 4-Amino-5-(1,3-dimethyl-1H-pyrazol-4-yl)-4H-1,2,4-triazole-3-thiol (CAS 1005611-01-7)
- 60667-24-5 8VLB09VT95 4-Carbomethoxythiazoline Methyl thiazolidine-4-carboxylate EINECS 262-361-2 UNII-8VLB09VT95 (CAS 60667-24-5)
- 5-(3-Carbamoylphenyl)picolinic acid (CAS 1261912-75-7)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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