5-Nitro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one CAS 1263182-11-1
| CAS No. | 1263182-11-1 |
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Nitro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one 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.
CATO supplies 5-Nitro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (CAS 1263182-11-1), a certified reference material (molecular formula C12H12N2O4, MW 248.23 g/mol) for analytical method development and quality control.
Structurally, 5-Nitro-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-2-one (C12H12N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 248.23 g/mol, it falls into the medium-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.
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 | C12H12N2O4 |
| Molecular Weight | 248.23 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2-(3-Amino-2-(difluoromethyl)benzoyl)pyridine (CAS 1261800-51-4)
- 8-(Cyclopropanecarbonyl)-5-oxo-1,2,3,5-tetrahydroimidazo[1,2-a]pyridine-7-carboxylic acid (CAS 1263211-05-7)
- 2-(4-Amino-3-(difluoromethyl)benzoyl)pyridine (CAS 1261622-50-7)
- 1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidine-3-carboxamide (CAS 1267903-26-3)
- 1,3-Diphenyl-1H-indazol-5-amine (CAS 857800-70-5)
- 3-((3-Chlorobenzyl)thio)-5-(4-chlorophenyl)-4-(p-tolyl)-4H-1,2,4-triazole (CAS 477332-59-5)
- N'-[(1E)-{4-[(4-chlorophenyl)sulfanyl]-3-nitrophenyl}methylidene]-2-(phenylamino)acetohydrazide (CAS 329058-87-9)
- 2-{2-[(4-Bromobenzyl)oxy]ethyl}piperidinehydrochloride (CAS 1220032-45-0)
- 2-(3-Methyl-2-oxo-1,2-dihydroquinolin-6-yl)acetic acid (CAS 1018617-03-2)
- Flucloxacillin Impurity 5 (CAS 68728-50-7)
- 1-(7-Chlorofuro[3,2-b]pyridin-5-yl)ethan-1-ol (CAS 2769929-84-0)
- (5-bromo-1-methyl-1H-imidazol-2-yl)methanol (CAS 861362-06-3)
- 1-((2-Methylnaphthalen-1-yl)methyl)piperazine (CAS 677326-80-6)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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