- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE
- Price: ￥2018.0/1g ￥848.0/250mg
- Purity: 95.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
844891-04-9
844891-04-9 structure
- Name: 1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE
- Chemical Name: 1,3,5-Trimethyl-1H-pyrazole-4-boronic acid pinacol ester
- CAS Number: 844891-04-9
- Molecular Formula: C12H21BN2O2
- Molecular Weight: 236.118
- Create Date: 2018-12-06 21:53:42
- Modify Date: 2025-08-20 10:41:03
| Name | 1,3,5-Trimethyl-1H-pyrazole-4-boronic acid pinacol ester |
|---|---|
| Synonyms |
1,3,5-trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
1H-Pyrazole, 1,3,5-trimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1,3,5-TRIMETHYL-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE |
| Density | 1.0±0.1 g/cm3 |
|---|---|
| Boiling Point | 335.7±42.0 °C at 760 mmHg |
| Melting Point | 91-93ºC |
| Molecular Formula | C12H21BN2O2 |
| Molecular Weight | 236.118 |
| Flash Point | 156.8±27.9 °C |
| Exact Mass | 236.169601 |
| PSA | 36.28000 |
| LogP | 1.33610 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.504 |
| Storage condition | 2-8°C |
| Hazard Codes | Xn:Harmful |
|---|---|
| Risk Phrases | R22;R36/37/38 |
| Safety Phrases | 26-36/37/39-36-22 |
| HS Code | 2934999090 |
|
~74%
844891-04-9 |
| Literature: Liu, Huaqing; Hancock, Arthur A.; Cowart, Marlon D.; Hancock, Kathryn J. Patent: US2007/78133 A1, 2007 ; Location in patent: Page/Page column 29-30 ; US 20070078133 A1 |
|
~66%
844891-04-9 |
| Literature: Ivachtchenko, Alexandre V.; Kravchenko, Dmitry V.; Zheludeva, Valentina I.; Pershin, Dmitry G. Journal of Heterocyclic Chemistry, 2004 , vol. 41, # 6 p. 931 - 939 |
|
~%
844891-04-9 |
| Literature: Journal of Heterocyclic Chemistry, , vol. 41, # 6 p. 931 - 939 |
|
~%
844891-04-9 |
| Literature: Journal of Heterocyclic Chemistry, , vol. 41, # 6 p. 931 - 939 |
|
~76%
844891-04-9 |
| Literature: UCB PHARMA S.A. Patent: WO2009/71895 A1, 2009 ; Location in patent: Page/Page column 117 ; WO 2009/071895 A1 |
| Precursor 7 | |
|---|---|
| DownStream 0 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |