5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 197367-83-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 197367-83-2 |
| Molecular Formula | C7H8BrNO |
| Molecular Weight | 202.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 197367-83-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H8BrNO. Molecular weight: 202.05 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H8BrNO |
| Molecular Weight | 202.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 5-Methyl-4,5-dihydropyrazolo[3,4-e][1,2,4]thiadiazin-3(2H)-one 1,1-dioxide (CAS 1708401-57-3)
- 7-Methyl-1,7-dihydropyrazolo[3,4-c][1,2]thiazin-4(3H)-one 2,2-dioxide (CAS 2137593-81-6)
- 1,8-Dihydropyrazolo[3,4-b]indole-3-carboxylic acid (CAS 890095-82-6)
- 1,10b-dihydropyrazolo[1,5-c]quinazoline-5-thiol (CAS 59553-09-2)
- Ethyl 2,3-dihydropyrazolo[5,1-b]thiazole-6-carboxylate (CAS 623565-41-3)
- Ethyl 2,3-dihydropyrazolo[5,1-b]thiazole-7-carboxylate (CAS 623565-42-4)
- Ethyl 4,6-dihydropyrazolo[1,5-c]thiazole-2-carboxylate (CAS 623564-65-8)
- 6-Propyl-2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylic acid (CAS 1935452-08-6)
Recommended Standards
- 6-Amino-3-bromo-2-methyl-phenol (CAS 1936453-70-1)
- (3-Amino-5-bromophenyl)methanol (CAS 954124-45-9)
- 6-Bromo-5-methylpyridine-2,3-diamine (CAS 1934674-16-4)
- N-Ethyl-(2-thienylmethyl)amine (CAS 58255-25-7)
- 2-((1-(4-Iodophenyl)-2,5-dioxopyrrolidin-3-yl)thio)benzoic acid (CAS 514182-09-3)
- 4-Hydroxy-3-oxobutanoic acid (CAS 162369-88-2)
- 6-chloro-2,3-bis(trifluoromethyl)pyridine (CAS 153617-04-0)
- 1-(2-{7-[5-(2,4-dichlorophenyl)furan-2-yl]pyrazolo[1,5-a]pyrimidin-2-yl}thiophen-3-yl)-2,5-dimethyl-1H-pyrrole (CAS 861209-76-9)
- 3-Hydroxy-6-nitrobenzofuran-2-carbaldehyde (CAS 574708-79-5)
- 69558-55-0 O3Y80ZF13F Thymopentin Thymopentin [USAN:INN:BAN] L-Tyrosine, N-(N-(N-(N2-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- L-Tyrosine, N-(N-(N-(N(sup 2)-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- Thymopentine [French] Thymopentinum [Latin] Timopentina [Spanish] Thymopoietin 32-36 TP-5 Thymopoietin pentapeptide ORF-15244 Thymopentine Thymopentinum Timopentina ORF 15244 UNII-O3Y80ZF13F (CAS 69558-55-0)
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