1328893-16-8
5-Bromo-1H-pyrazole-3-carboxylic acid
CAS: 1328893-16-8
Molecular Formula: C4H3BrN2O2
1328893-16-8 - Names and Identifiers
1328893-16-8 - Physico-chemical Properties
| Molecular Formula | C4H3BrN2O2 |
| Molar Mass | 190.98 |
| Density | 2.129±0.06 g/cm3(Predicted) |
| Boling Point | 458.8±30.0 °C(Predicted) |
| pKa | 3.59±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
1328893-16-8 - Reference Information
| use | 5-bromo-pyrazol-3-formic acid is an organic synthesis intermediate and a pharmaceutical intermediate that can be used in laboratory research and development processes and chemical and pharmaceutical synthesis processes. |
| preparation | dissolve 1.7g 3-methyl -5-bromopyrazole in 20ml 0.1M hydrochloric acid, place in a 100mL three-mouth flask, and heat to 50 ℃; Dissolve about 1.5g of potassium permanganate in 5mL of water, and slowly drop it into the three-mouth flask using a constant pressure funnel. After the feeding is completed, the reaction liquid is stirred at 70 ℃ for 30min, after cooling to room temperature, the pH of the solution is adjusted to acidic, 20mL EtOAc is added, extraction is carried out three times, the pH of the organic layer is adjusted to alkaline, and water is added to wash to obtain 5-bromo-1H-3-pyrazoloic acid with a yield of 85% |
Last Update：2024-04-09 15:16:47
Supplier List
Featured ProductsSpot supply
Product Name: 5-BroMo-1H-pyrazole-3-carboxylic acid Visit Supplier Webpage Request for quotationCAS: 1328893-16-8
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328
WhatsApp: +86-18821248368
Spot supply
Product Name: 5-Bromo-1H-pyrazole-3-carboxylic acid Request for quotationCAS: 1328893-16-8
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365
Wechat: 18916960931
Spot supply
Product Name: 5-BroMo-1H-pyrazole-3-carboxylic acid Visit Supplier Webpage Request for quotationCAS: 1328893-16-8
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
QQ: 2881950922
Wechat: 18621343501
WhatsApp: +86-18621343501
Product Name: 5-BroMo-1H-pyrazole-3-carboxylic acid Visit Supplier Webpage Request for quotation
CAS: 1328893-16-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
CAS: 1328893-16-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Featured ProductsSpot supply
Product Name: 5-BroMo-1H-pyrazole-3-carboxylic acid Visit Supplier Webpage Request for quotationCAS: 1328893-16-8
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328
WhatsApp: +86-18821248368
Spot supply
Product Name: 5-Bromo-1H-pyrazole-3-carboxylic acid Request for quotationCAS: 1328893-16-8
Tel: 400-968-2212
Email: 3623107365@qq.com
Mobile: 18916960931
QQ: 3623107365
Wechat: 18916960931
Spot supply
Product Name: 5-BroMo-1H-pyrazole-3-carboxylic acid Visit Supplier Webpage Request for quotationCAS: 1328893-16-8
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
QQ: 2881950922
Wechat: 18621343501
WhatsApp: +86-18621343501
Product Name: 5-BroMo-1H-pyrazole-3-carboxylic acid Visit Supplier Webpage Request for quotation
CAS: 1328893-16-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
CAS: 1328893-16-8
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
View History