- Cefprozil Impurity A
-
- $0.00 / 10mg
-
2025-04-10
- CAS:22818-40-2
- Min. Order: 10mg
- Purity: 90%+
- Supply Ability: 10g
|
| | 4-Hydroxy-D-(-)-2-phenylglycine Basic information |
| | 4-Hydroxy-D-(-)-2-phenylglycine Chemical Properties |
| Melting point | 240 °C (dec.)(lit.) | | Boiling point | 295.73°C (rough estimate) | | alpha | -156 º (c=1, 1 N HCl) | | density | 1.396 | | vapor pressure | 0Pa at 25℃ | | refractive index | -158 ° (C=1, 1mol/L HCl) | | storage temp. | 2-8°C | | solubility | 5g/l | | form | Liquid | | pka | 2.15±0.10(Predicted) | | color | Clear colorless to yellow | | optical activity | [α]23/D 158±3°, c = 1 in 1 M HCl | | Water Solubility | 5 g/L (20 ºC) | | BRN | 2210998 | | LogP | -2.25 | | CAS DataBase Reference | 22818-40-2(CAS DataBase Reference) | | EPA Substance Registry System | |
| Hazard Codes | Xi | | Risk Statements | 36/37/38 | | Safety Statements | 26-36-24/25 | | WGK Germany | 3 | | TSCA | Yes | | HS Code | 29225000 |
| | 4-Hydroxy-D-(-)-2-phenylglycine Usage And Synthesis |
| Description | d-(p-Hydroxyphenyl)glycine (d-HPG) is
widely used in large amounts as an important
intermediate for the synthesis of amoxicillin and
several other semisynthetic β-lactam antibiotics. | | Chemical Properties | off-white powder | | Uses | 4-Hydroxy-D-(-)-2-phenylglycine (Cefadroxil EP Impurity A(Amoxicillin EP Impurity A)) is an compound used mainly for the synthetic preparation of β-lactam antibiotics. | | Uses | 4-Hydroxy-D-(-)-2-phenylglycine is an compound used mainly for the synthetic preparation of β-lactam antibiotics. | | Definition | ChEBI: The D-enantiomer of 4-hydroxyphenylglycine. A non-proteinogenic amino acid found in Herpetosiphon aurantiacus. | | Flammability and Explosibility | Non flammable | | Purification Methods | Crystallise it from water and dry it in vacuo. [Beilstein 14 I 659.] |
| | 4-Hydroxy-D-(-)-2-phenylglycine Preparation Products And Raw materials |
|