- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: (R)-Roche ester
- Price: Check
- Purity: 99.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: (R)-Roche ester
- Price: ￥1776.0/5g ￥5566.0/25g ￥3206.0/10g ￥576.0/1g
- Purity: 95.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: (R)-(-)-3-hydroxy-2-methylpropionic acid methyl ester
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
72657-23-9
72657-23-9 structure
- Name: (R)-Roche ester
- Chemical Name: (R)-(-)-3-Hydroxy-2-Methylpropionic Acid Methyl Ester
- CAS Number: 72657-23-9
- Molecular Formula: C5H10O3
- Molecular Weight: 118.131
- Catalog: Chemical reagent Organic reagent Ester Methyl ester compound
- Create Date: 2018-09-21 18:13:49
- Modify Date: 2025-08-25 05:43:49
| Name | (R)-(-)-3-Hydroxy-2-Methylpropionic Acid Methyl Ester |
|---|---|
| Synonyms |
Propanoic acid, 3-hydroxy-2-methyl-, methyl ester, (2R)-
Roche ester MFCD00063450 Methyl (2R)-3-hydroxy-2-methylpropanoate (r)-(-)-3-hydroxy-2-methylpropionic acid methyl ester Methyl (R)-(-)-3-hydroxy-2-methyl-propionate |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 175.0±0.0 °C at 760 mmHg |
| Molecular Formula | C5H10O3 |
| Molecular Weight | 118.131 |
| Flash Point | 81.1±0.0 °C |
| Exact Mass | 118.062996 |
| PSA | 46.53000 |
| LogP | -0.55 |
| Vapour Pressure | 0.4±0.7 mmHg at 25°C |
| Index of Refraction | 1.420 |
| Storage condition | 2-8°C |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
|---|---|
| Risk Phrases | 10 |
| Safety Phrases | S16 |
| WGK Germany | 3 |
| HS Code | 2918199090 |
|
~%
72657-23-9 |
| Literature: Tetrahedron Asymmetry, , vol. 20, # 2 p. 210 - 213 |
|
~%
72657-23-9 |
| Literature: Advanced Synthesis and Catalysis, , vol. 345, # 1-2 p. 185 - 189 |
|
~%
72657-23-9 |
| Literature: Advanced Synthesis and Catalysis, , vol. 350, # 16 p. 2533 - 2543 |
|
~85%
72657-23-9 |
| Literature: Choy, William; Ma, Philip; Masamune, Satoru Tetrahedron Letters, 1981 , vol. 22, # 37 p. 3555 - 3556 |
|
~%
72657-23-9 |
| Literature: Journal of Organic Chemistry, , vol. 47, # 12 p. 2400 - 2404 |
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |