3-Hydroxy-6,7-dihydro-5H-cyclopenta[c]pyridine-6-carboxylic acid CAS 1934396-38-9
| CAS No. | 1934396-38-9 |
| Molecular Formula | C9H9NO3 |
| Molecular Weight | 179.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9NO3, 3-Hydroxy-6,7-dihydro-5H-cyclopenta[c]pyridine-6-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO supplies 3-Hydroxy-6,7-dihydro-5H-cyclopenta[c]pyridine-6-carboxylic acid (CAS 1934396-38-9), a certified reference material (molecular formula C9H9NO3, MW 179.17 g/mol) for analytical method development and quality control.
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), 3-Hydroxy-6,7-dihydro-5H-cyclopenta[c]pyridine-6-carboxylic 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 | C9H9NO3 |
| Molecular Weight | 179.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 2-Hydroxy-6,7-dihydro-5H-cyclopenta[b]pyridine-7-carboxylic acid (CAS 1017436-19-9)
- 7-Hydroxy-5-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1231750-12-1)
- 3-Hydroxy-6-methoxy-2,3-dihydro-1h-indol-2-one (CAS 1248148-96-0)
- 3-Hydroxy-7-methoxyindolin-2-one (CAS 1250944-54-7)
- 4-Hydroxy-2,6-dimethoxybenzonitrile (CAS 130632-97-2)
- 4-Hydroxy-7,8-dihydroquinoline-2,5(1H,6H)-dione (CAS 1312117-82-0)
- 4-Hydroxy-2,5-bis(hydroxymethyl)benzonitrile (CAS 1858250-91-5)
- 2-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)acetonitrile (CAS 73168-74-8)
Recommended Standards
- (2S,3R,4S,5R,6R)-6-(Hydroxymethyl)piperidine-2,3,4,5-tetraol (CAS 1932485-16-9)
- 2-(Oxetan-3-yloxy)nicotinaldehyde (CAS 1934530-86-5)
- 2-Allyl-6-nitrophenol (CAS 19182-97-9)
- (2R,3R,4R,5R)-2-amino-3,4,5,6-tetrahydroxyhexanal (CAS 1948-54-5)
- 2-{3-[4-Methyl-2-(2-pyridinyl)-1,3-thiazol-5-yl]-3-oxo-1-phenylpropyl}malononitrile (CAS 477847-84-0)
- 7-(Azepan-1-yl)-[1,2,4]triazolo[4,3-c]pyrimidin-3(2H)-one (CAS 1710293-01-8)
- 2-(Biphenyl-4-yloxy)propanoyl chloride (CAS 1160264-64-1)
- Tylosin-d3 (CAS CATO-CCHM702809)
- (S)-1-Benzyl-2-methylpiperazine oxalate (CAS 1352313-12-2)
- Decanedioic acid, polymer with 2,2'-oxybis[ethanol] and 1,2,3-propanetriol (CAS 63150-11-8)
- 1-Cyano-N,N-dimethylcyclopentane-1-carboxamide (CAS 1249394-70-4)
- Benzophenone-13C (carbonyl-13C) (CAS 32488-48-5)
- Tert-butyl 4-(4-fluoro-3-(trifluoromethyl)phenyl)-3-oxopiperidine-1-carboxylate (CAS 1354953-08-4)
- Neuropeptide Y (13-36) (human, rat) (CAS 122341-40-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com