- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 4-bromo-5-methyl-2,4-dihydropyrazol-3-one
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 4-bromo-5-methyl-2,4-dihydropyrazol-3-one
- Price: ￥876.0/100mg ￥7036.0/5g ￥3516.0/1g ￥1406.0/250mg
- Purity: 95.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 4-bromo-5-methyl-2,4-dihydropyrazol-3-one
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
51395-52-9
51395-52-9 structure
- Name: 4-bromo-5-methyl-2,4-dihydropyrazol-3-one
- Chemical Name: 4-bromo-3-methyl-1,4-dihydropyrazol-5-one
- CAS Number: 51395-52-9
- Molecular Formula: C4H5BrN2O
- Molecular Weight: 176.99900
- Create Date: 2016-09-11 09:27:48
- Modify Date: 2025-09-03 13:02:13
| Name | 4-bromo-3-methyl-1,4-dihydropyrazol-5-one |
|---|---|
| Synonyms | 4-bromo-5-methyl-2,4-dihydro-3h-pyrazol-3-one |
| Density | 2.04g/cm3 |
|---|---|
| Molecular Formula | C4H5BrN2O |
| Molecular Weight | 176.99900 |
| Exact Mass | 175.95900 |
| PSA | 41.46000 |
| LogP | 0.02000 |
| Index of Refraction | 1.682 |
| HS Code | 2933199090 |
|---|
|
~84%
51395-52-9 |
| Literature: Pathak, Sudipta; Kundu, Ashis; Pramanik, Animesh RSC Advances, 2014 , vol. 4, # 20 p. 10180 - 10187 |
|
~94%
51395-52-9 |
| Literature: Aziz, Suzan I.; Abd-Allah, Sanaa O.; Ibrahim, Nadia S. Heterocycles, 1984 , vol. 22, # 11 p. 2523 - 2527 |
| Precursor 2 | |
|---|---|
| DownStream 0 | |
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |