7-Isobutyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid CAS 1401319-35-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1401319-35-4 |
| Molecular Formula | C18H19N3O2 |
| Molecular Weight | 309.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Isobutyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 1401319-35-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H19N3O2. Molecular weight: 309.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H19N3O2 |
| Molecular Weight | 309.36 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.) | 1991 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 3-(4-Methoxyphenyl)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)propanamide (CAS 1396783-54-2)
- 4-((2-Ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)methyl)benzoic acid (CAS 1401728-86-6)
- 2-(5-(tert-Butoxycarbonyl)-2-ethyl-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridin-7-yl)acetic acid (CAS 1391732-79-8)
- 3-Amino-2-methoxy-phenol (CAS 125708-66-9)
- 5-(Furan-2-yl)-N-(isoxazol-4-yl)isoxazole-3-carboxamide (CAS 1396673-26-9)
- (R)-3-((Tert-butoxycarbonyl)amino)-3-(3,5-dimethoxyphenyl)propanoic acid (CAS 500788-94-3)
- 1-Butyl-3-methyl-1H-imidazol-3-ium octyl sulfate (CAS 445473-58-5)
- 3-(Methoxymethyl)-4-({[4-(trifluoromethyl)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 477851-11-9)
- 4,5-Bis(1,1,2,2,2-pentafluoroethyl)pyridine-2-carbonitrile (CAS 1246466-51-2)
- D-Ala28-Tirzepatide (CAS CATO-CPTD788906)
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