(S)-2-Amino-5-(5-(2-methoxy-2-oxoethyl)-7-nitroindolin-1-yl)-5-oxopentanoic acid CAS 239135-34-3
| CAS No. | 239135-34-3 |
| Molecular Formula | C5H8NO4 |
| Molecular Weight | 146.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-2-Amino-5-(5-(2-methoxy-2-oxoethyl)-7-nitroindolin-1-yl)-5-oxopentanoic acid.
(S)-2-Amino-5-(5-(2-methoxy-2-oxoethyl)-7-nitroindolin-1-yl)-5-oxopentanoic acid (CAS 239135-34-3), molecular formula C5H8NO4 and molecular weight 146.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-2-Amino-5-(5-(2-methoxy-2-oxoethyl)-7-nitroindolin-1-yl)-5-oxopentanoic acid (C5H8NO4) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 146.12 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-2-Amino-5-(5-(2-methoxy-2-oxoethyl)-7-nitroindolin-1-yl)-5-oxopentanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H8NO4 |
| Molecular Weight | 146.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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- 1-(2,5-Difluorophenyl)cyclopentanemethanamine (CAS 1369053-34-8)
- Ethyl 2,4-bis(methylthio)pyrimidine-5-carboxylate (CAS 5909-25-1)
- 8-Fluoro-3-nitroimidazo[1,2-a]pyridine (CAS 2379918-39-3)
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