![(<I>R</I>)-(−)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)
carbonyl]amino]-4-hydroxybenzeneacetic acid](https://img.chemicalbook.com/CAS/GIF/62893-24-7.gif)
A5050412
(<I>R</I>)-(−)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-4-hydroxybenzeneacetic acid , >98.0%(HPLC) , 62893-24-7
CAS NO.：62893-24-7
Empirical Formula: C15H17N3O6
Molecular Weight: 335.32
MDL number: MFCD00792472
EINECS: 625-629-3
| Pack Size | Price | Stock | Quantity |
| 1G | RMB58.40 | In Stock |
|
| 5G | RMB172.00 | In Stock |
|
| 25G | RMB536.00 | In Stock |
|
| 100g | RMB1706.40 | In Stock |
|
| 500g | RMB5599.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 205 °C (dec.) (lit.) |
| alpha | -0.85 º(c=1,MeOH) |
| Boiling point: | 471.96°C (rough estimate) |
| Density | 1.2546 (rough estimate) |
| refractive index | 1.5600 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Sparingly) |
| form | Solid |
| pka | 3.40±0.10(Predicted) |
| color | White to Off-White |
| optical activity | [α]20/D 85°, c = 1 in methanol |
Description and Uses
(αR)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy-benzeneacetic Acid is an intermediate used to prepare Cephalosporin derivatives with activities against both Gram-positive and Gram-negative bacteria.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 3 |
| HS Code | 2933.59.8000 |
