- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 4-tert-Butoxycarbonylbenzoic acid
- 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-tert-Butoxycarbonylbenzoic acid
- Price: ￥390.0/250mg ￥130.0/50mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 4-(tert-Butoxycarbonyl)benzoic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
20576-82-3
20576-82-3 structure
- Name: 4-tert-Butoxycarbonylbenzoic acid
- Chemical Name: 4-[(2-methylpropan-2-yl)oxycarbonyl]benzoic acid
- CAS Number: 20576-82-3
- Molecular Formula: C12H14O4
- Molecular Weight: 222.237
- Create Date: 2018-04-27 08:00:00
- Modify Date: 2025-08-21 15:23:50
| Name | 4-[(2-methylpropan-2-yl)oxycarbonyl]benzoic acid |
|---|---|
| Synonyms |
terephthalic acid-mono-t-butyl ester
1,4-Benzenedicarboxylic acid, mono(1,1-dimethylethyl) ester tert-Butyl 4-carboxybenzoate 4-(tert-Butoxycarbonyl)benzoic acid 4-{[(2-Methyl-2-propanyl)oxy]carbonyl}benzoic acid |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 351.8±25.0 °C at 760 mmHg |
| Melting Point | 209-212(dec.)ºC |
| Molecular Formula | C12H14O4 |
| Molecular Weight | 222.237 |
| Flash Point | 132.8±16.7 °C |
| Exact Mass | 222.089203 |
| PSA | 63.60000 |
| LogP | 3.53 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.533 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2918990090 |
|
~93%
20576-82-3 |
| Literature: Boehringer Ingelheim Pharmaceuticals, Inc. Patent: US5232928 A1, 1993 ; US 5232928 A |
|
~85%
20576-82-3 |
| Literature: Adlington; Baldwin; Becker; Chen; Cheng; Cooper; Hermann; Howe; McCoull; McNulty; Neubauer; Pritchard Journal of Medicinal Chemistry, 2001 , vol. 44, # 10 p. 1491 - 1508 |
|
~39%
20576-82-3 |
| Literature: Mineno, Tomoko; Ueno, Tasuku; Urano, Yasuteru; Kojima, Hirotatsu; Nagano, Tetsuo Organic Letters, 2006 , vol. 8, # 26 p. 5963 - 5966 |
|
~%
20576-82-3 |
| Literature: Journal of Medicinal Chemistry, , vol. 43, # 21 p. 3852 - 3861 |
|
~%
20576-82-3 |
| Literature: Journal of Medicinal Chemistry, , vol. 44, # 10 p. 1491 - 1508 |
|
~35%
20576-82-3 |
| Literature: Kennedy, Andrew J.; Mathews, Thomas P.; Kharel, Yugesh; Field, Saundra D.; Moyer, Morgan L.; East, James E.; Houck, Joseph D.; Lynch, Kevin R.; MacDonald, Timothy L. Journal of Medicinal Chemistry, 2011 , vol. 54, # 10 p. 3524 - 3548 |
| Precursor 7 | |
|---|---|
| DownStream 4 | |
![4-[2-tert-butyl-4-[10-(4-phenylmethoxycarbonyloxyphenoxy)decoxy]phenoxy]carbonylbenzoate structure](https://image.chemsrc.com/caspic/001/143389-15-5.png)
![4-[2-tert-butyl-4-[2-(4-hydroxyphenyl)propan-2-yl]phenoxy]carbonylbenzoate structure](https://image.chemsrc.com/caspic/233/92002-14-7.png)
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |