6-Amino-1H-indole-2-carboxylic acid CAS 135855-63-9
| CAS No. | 135855-63-9 |
| Molecular Formula | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 6-Amino-1H-indole-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
6-Amino-1H-indole-2-carboxylic acid (CAS 135855-63-9), molecular formula C9H8N2O2 and molecular weight 176.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Amino-1H-indole-2-carboxylic acid (C9H8N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 176.17 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.
Physical & Chemical Properties
| Molecular Formula | C9H8N2O2 |
| Molecular Weight | 176.17 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 7-Amino-1H-indole-5-carboxylic acid (CAS 1044764-43-3)
- Methyl 2-Amino-6-cyanobenzoate (CAS 1147109-97-4)
- (S)-2-amino-2-(3-cyanophenyl)acetic acid (CAS 1213875-77-4)
- 5-Amino-6-methylisoindoline-1,3-dione (CAS 1227465-60-2)
- Methyl 2-amino-3-cyanobenzoate (CAS 1275585-78-8)
- 7-Amino-1H-indole-3-carboxylic acid (CAS 1304538-07-5)
- 7-Amino-3-hydroxyquinolin-2(1H)-one (CAS 136683-94-8)
- 6-amino-2-methyl-4H-3,1-benzoxazin-4-one (CAS 1368659-05-5)
Recommended Standards
- 4-(2-Aminooxazol-5-yl)phenol (CAS 13576-52-8)
- Methyl 2-cyano-5-methylnicotinate (CAS 1360883-55-1)
- 2-(2-Benzoimidazolyl)acetic Acid (CAS 13570-08-6)
- 5-Methyl-1H-indazole-4-carboxylic acid (CAS 1360927-57-6)
- 4-[(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbamoyl]butanoic acid (CAS 866137-37-3)
- (E)-5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde oxime (CAS 590410-60-9)
- N-(2-aminophenyl)-2-iodobenzamide (CAS 897446-24-1)
- Polydatin (CAS 27208-80-6)
- R-(+)-Cibenzoline-D4 (CAS CATO-C3D-262640)
- 3-(1-(Aminomethyl)cyclobutyl)-1-methylpyrrolidin-3-ol (CAS 1532759-89-9)
- 5'-Fluoro-2'-methoxy-[1,1'-biphenyl]-4-thiol (CAS 1443305-90-5)
- (S)-2-Amino-6-methyl-5,6,7,8-tetrahydropteridin-4(1H)-one (CAS 73573-51-0)
- 2,3-Difluoro-4-(2-hydroxypropan-2-yl)benzoic acid (CAS 1895670-52-6)
- Cholecystokinin Octapeptide (desulfated) (CAS 25679-24-7)
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