2-(Isoquinolin-5-yl)acetic acid CAS 395074-85-8
| CAS No. | 395074-85-8 |
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Isoquinolin-5-yl)acetic acid (CAS 395074-85-8), molecular formula C11H9NO2 and molecular weight 187.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Isoquinolin-5-yl)acetic acid (C11H9NO2) 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 187.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Isoquinolin Standards
- 2-(Isoquinolin-8-yl)acetic acid (CAS 1000517-56-5)
- 2-(Isoquinolin-6-yl)acetic acid (CAS 1000545-64-1)
- 2-(Isoquinolin-7-yl)acetic acid (CAS 188111-64-0)
- 2-(Isoquinolin-1-yl)acetic acid (CAS 855292-39-6)
- 2-(Isoquinolin-3-yl)acetic acid (CAS 72033-13-7)
- 2-(Isoquinolin-4-yl)acetic acid (CAS 763024-93-7)
- 1-(Isoquinolin-5-yl)urea (CAS 1154320-39-4)
- Isoquinolin-1(2H)-ylidene(nitroso)methanamine (CAS 1955564-43-8)
Recommended Standards
- 2-(P-tolyl)oxazole-4-carbaldehyde (CAS 55327-30-5)
- 2-(pyridin-2-yloxy)phenol (CAS 35974-37-9)
- 2-(Pyridin-3-yloxy)phenol (CAS 943868-68-6)
- 2-(carboxymethyl)-1-methyl-pyrrole-3-carboxylic acid (CAS 83863-74-5)
- 4'-Bromo-[1,1'-biphenyl]-4-yl acetate (CAS 84244-98-4)
- Azetidin-3-yl acetate hydrochloride (CAS 118972-95-5)
- 1-(2,5-Dichlorophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264050-61-4)
- 1h-Spiro[benzo[c]isothiazole-3,4'-piperidine] 2,2-dioxide hydrochloride (CAS 2490709-17-4)
- Pralatrexate-D5 (CAS 146464-95-1)
- 3-(6-Fluoropyridin-3-yl)propanoic acid (CAS 944998-15-6)
- (S)-4-fluoro-4-methyl-2-(methylamino)pentanoic acid (CAS 2165719-18-4)
- 2-(Dimethylaminomethyl)piperidine (CAS 60717-51-3)
- Methyl 3-[(2Z)-2-[(dimethylamino)methylidene]-3-oxobutanamido]thiophene-2-carboxylate (CAS 343375-20-2)
- MOTS-c Peptide (CAS 1627580-64-6)
Why CATO?
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