(S)-2-(5-Nitro-1-oxoisoquinolin-2(1H)-yl)propanamide CAS 950914-91-7
| CAS No. | 950914-91-7 |
| Molecular Formula | C12H11N3O4 |
| Molecular Weight | 261.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-2-(5-Nitro-1-oxoisoquinolin-2(1H)-yl)propanamide 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.
(S)-2-(5-Nitro-1-oxoisoquinolin-2(1H)-yl)propanamide (CAS 950914-91-7) is a high-purity analytical reference standard with the molecular formula C12H11N3O4 and a molecular weight of 261.23 g/mol.
(S)-2-(5-Nitro-1-oxoisoquinolin-2(1H)-yl)propanamide (C12H11N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C12H11N3O4 |
| Molecular Weight | 261.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related S Standards
- 2-((5-Methyl-3-nitro-1h-pyrazol-1-yl)methyl)benzoic acid (CAS 1004194-55-1)
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- 4-((5-Methyl-3-nitro-1H-pyrazol-1-yl)methoxy)benzaldehyde (CAS 1006953-72-5)
- 2-((5-Methyl-3-nitro-1H-pyrazol-1-yl)methoxy)benzaldehyde (CAS 1177343-92-8)
- Ethyl 2-Nitro-4-(1-pyrazolyl)benzoate (CAS 1375064-66-6)
- (R)-2-(5-Nitro-1-oxoisoquinolin-2(1H)-yl)propanamide (CAS 951015-87-5)
- 3-[(5-methyl-3-nitro-1h-pyrazol-1-yl)methyl]benzoic acid (CAS 491831-82-4)
Recommended Standards
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- 1-(4-Methylbenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid (CAS 491831-81-3)
- (2-(4-Hydroxyphthalazin-1-yl)acetyl)glycine (CAS 919724-88-2)
- 6-Chloro-2-methyl-5-nitropyrimidin-4-amine (CAS 63586-33-4)
- 3-(dimethylamino)-4-methylbenzene-1-sulfonyl chloride hydrochloride (CAS 1384431-06-4)
- 3,4,5-Trifluoro-N-methyl-2-nitroaniline (CAS 1346521-33-2)
- 2-Propylbenzene-1-sulfonyl chloride (CAS 1099632-53-7)
- 1-(2-Methoxy-5-methylphenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1038240-97-9)
- 4-({[(4-acetylphenyl)sulfonyl]amino}methyl)benzoic acid (CAS 794559-16-3)
- 2-(chloroacetyl)-5-methylisoxazol-3(2H)-one (CAS 38100-64-0)
- (3R)-3-(hydroxymethyl)cyclopentan-1-one (CAS 1071906-26-7)
- 5-Chloro-1,3-benzothiazole-4-sulfonyl chloride (CAS 1094671-88-1)
- Neuropeptide S (rat) (CAS 412938-75-1)
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