- Amoxicillin Impurity I
-
- $0.00 / 10mg
-
2024-09-20
- CAS:22818-40-2
- Min. Order: 10mg
- Purity: 98%
- Supply Ability: 500mg
|
| 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 | Benzeneacetic acid, .alpha.-amino-4-hydroxy-, (.alpha.R)- (22818-40-2) |
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 |
|