- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 5-Bromopyrazin-2-ol
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 5-Bromopyrazin-2-ol
- Price: ￥198.0/1g ￥418.0/5g ￥1318.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2-Bromo-5-hydroxypyrazine
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
374063-92-0
374063-92-0 structure
- Name: 5-Bromopyrazin-2-ol
- Chemical Name: 2-Bromo-5-hydroxypyrazine
- CAS Number: 374063-92-0
- Molecular Formula: C4H3BrN2O
- Molecular Weight: 174.983
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrazines
- Create Date: 2018-08-11 16:48:54
- Modify Date: 2025-08-25 18:10:45
| Name | 2-Bromo-5-hydroxypyrazine |
|---|---|
| Synonyms |
5-Brom-2(1H)-pyrazinon
5-Bromo-2(1H)-pyrazinone 5-bromopyrazin-2(1H)-one 5-bromo-1H-pyrazin-2-one 5-bromopyrazin-2-ol 2-Bromo-5-hydroxypyrazine 2(1H)-Pyrazinone, 5-bromo- 5-Brompyrazin-2(1H)-on 5-Bromo-2-pyrazinol |
| Density | 1.9±0.1 g/cm3 |
|---|---|
| Boiling Point | 444.0±40.0 °C at 760 mmHg |
| Melting Point | 115 °C(dec.) |
| Molecular Formula | C4H3BrN2O |
| Molecular Weight | 174.983 |
| Flash Point | 222.3±27.3 °C |
| Exact Mass | 173.942871 |
| PSA | 46.01000 |
| LogP | 0.29 |
| Appearance | Crystalline Powder | White to light brown |
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
| Index of Refraction | 1.625 |
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H302-H318 |
| Precautionary Statements | P280-P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Phrases | 22-41 |
| Safety Phrases | 26-39 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933990090 |
|
~73%
374063-92-0 |
| Literature: PFIZER INC. Patent: WO2004/92145 A1, 2004 ; Location in patent: Page 133 ; WO 2004/092145 A1 |
| Precursor 1 | |
|---|---|
| DownStream 1 | |
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |