(3aR,4S,9bS)-6-Methyl-7-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid 956523-14-1 CAS 956523-14-1
| CAS No. | 956523-14-1 |
| Molecular Formula | C14H14N2O4 |
| Molecular Weight | 274.27 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 (3aR,4S,9bS)-6-Methyl-7-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid 956523-14-1.
(3aR,4S,9bS)-6-Methyl-7-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid 956523-14-1 (CAS 956523-14-1) is a high-purity analytical reference standard with the molecular formula C14H14N2O4 and a molecular weight of 274.27 g/mol.
Structurally, (3aR,4S,9bS)-6-Methyl-7-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid 956523-14-1 (C14H14N2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 274.27 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), (3aR,4S,9bS)-6-Methyl-7-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid 956523-14-1 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 | C14H14N2O4 |
| Molecular Weight | 274.27 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 | 2 |
Recommended Standards
- (3aR,4S,9bS)-6-Methyl-9-nitro-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid 956247-29-3 (CAS 956247-29-3)
- Terazosin EP Impurity M (CAS 31350-27-3)
- (3r)-9,10-dihydroxy-7-methoxy-3-methyl-3,4-dihydro-1h-benzo[g]isochromen-1-one 70477-26-8 CTK5D2478 (CAS 70477-26-8)
- Lenalidomide Impurity 34 (CAS CATO-C4X-190334)
- N-(5-Amino-2-methylphenyl)-4-propoxybenzamide (CAS 1020723-72-1)
- 2-Chloro-5-(5,6-dimethyl-1H-indol-2-yl)benzoic acid (CAS 835595-04-5)
- (s)-2-Amino-2-(3-(difluoromethoxy)phenyl)ethan-1-ol (CAS 1213434-05-9)
- Methylprednisolone Impurity 78 (CAS CATO-C4X-191978)
- ethyl 6-aminothieno[3,2-b]thiophene-5-carboxylate (CAS 2092661-62-4)
- 1-((1,4-Oxazepan-4-yl)methyl)cyclopentane-1-carboxylic acid (CAS 1344284-24-7)
- 4-Methylpiperidin-1-amine hydrochloride (CAS 91400-12-3)
- 4-(4-Chlorophenyl)-2-methyl-1,3-oxazole (CAS 79965-68-7)
- 4-(Difluoromethoxy)-3-iodobenzoic acid (CAS 1131588-14-1)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
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