Molekula
(2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-phenylacetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
(2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-phenylacetic acid is a synthetic organic compound used in pharmaceutical research. It is the piperacillin side-chain acid, listed as Piperacillin Sodium EP Impurity G, and is used as an impurity reference standard in piperacillin quality control and as a synthetic intermediate. It has a molecular formula of C15H17N3O5, a molecular weight of 319.31 g/mol, and is stored at ambient temperature. Its CAS number is 63422-71-9, and it carries a warning signal word due to potential health hazards. Molekula supplies (2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-phenylacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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1 g — $147.70 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Specific rotation | -79 to -68° |
| pH | 2.5 - 3.2 |
| Assay | ≥ 99.0% |
| Light Transmittance | ≥ 98.0% |
| Water (KF) | ≤ 5.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89990627 |
| CAS Number | 63422-71-9 |
| IUPAC Name | (2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetic acid |
| EC Number | 264-133-8 |
| Molecular Formula | C15H17N3O5 |
| Molecular Weight | 319.31 |
| Exact Mass | 319.1168 |
| SMILES | CCN1CCN(C(=O)C1=O)C(=O)N[C@H](C2=CC=CC=C2)C(=O)O |
| InChIKey | JQEHQELQPPKXRR-LLVKDONJSA-N |
| InChI | InChI=1S/C15H17N3O5/c1-2-17-8-9-18(13(20)12(17)19)15(23)16-11(14(21)22)10-6-4-3-5-7-10/h3-7,11H,2,8-9H2,1H3,(H,16,23)(H,21,22)/t11-/m1/s1 |
| PubChem CID | 2733658 |
| REACH Code | Y113 |
| HTS Code | 29335995 |
| Tariff Code | 2933599570 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetic acid
- (2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetic Acid
- (R)-(((4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl)amino)phenylaceticacid
- (R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetic acid
- (R)-a-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid
- (R)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid
- JQEHQELQPPKXRR-LLVKDONJSA-N
- s10945
Frequently asked questions
What is this compound used for?
This compound is primarily used as an intermediate in pharmaceutical research and development, particularly in the synthesis of bioactive molecules.
What is the chemical formula and molecular weight?
The formula is C15H17N3O5 with a molecular weight of 319.31 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
This product is available in research-grade quality.
Can Molekula supply it in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.