7-Chloro-1H-indole-5-carbonitrile CAS 887593-92-2
| CAS No. | 887593-92-2 |
| Molecular Formula | C9H5ClN2 |
| Molecular Weight | 176.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
7-Chloro-1H-indole-5-carbonitrile (CAS 887593-92-2), molecular formula C9H5ClN2 and molecular weight 176.60 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 7-Chloro-1H-indole-5-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 176.60 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 7-Chloro-1H-indole-5-carbonitrile 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.
Physical & Chemical Properties
| Molecular Formula | C9H5ClN2 |
| Molecular Weight | 176.60 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 3-Chloro-1H-indole-5-carbonitrile (CAS 1034690-30-6)
- 6-Chloro-1H-indole-4-carbonitrile (CAS 1097629-20-3)
- 3-Chloro-1H-indole-6-carbonitrile (CAS 116482-52-1)
- 7-Chloro-1H-indole-4-carbonitrile (CAS 1167056-48-5)
- 3-Chloro-4-(cyanomethyl)benzonitrile (CAS 1261672-27-8)
- 7-Chloro-1H-indole-2-carbonitrile (CAS 1264481-38-0)
- 5-chloro-1H-indole-2-carbonitrile (CAS 1374452-17-1)
- 4-Chloro-1H-indole-5-carbonitrile (CAS 1427409-07-1)
Recommended Standards
- 6-Chloro-8-ethynylimidazo[1,5-a]pyridine (CAS 2767259-27-6)
- Piracetam Impurity 18 (CAS CATO-C4X-123518)
- 6-chloro-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one (CAS 33050-32-7)
- 4-Chlorobenzenesulfinic acid (CAS 100-03-8)
- 4-(Difluoromethyl)-2-methyl-5-nitropyridin-3-ol (CAS 1805531-53-6)
- (3,3-Dimethoxy-1-methylcyclobutyl)methanol (CAS 1638767-72-2)
- 2-Amino-5-(4-fluorophenyl)-5-[(3,4,5-trimethoxyphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one (CAS 1354932-17-4)
- Vortioxetine Impurity 101 (CAS 107832-66-6)
- 3-[2-(4-Bromo-2-methylphenoxy)ethyl]piperidinehydrochloride (CAS 1220016-63-6)
- 2-(4-(4-Chlorophenyl)piperazin-1-yl)-2-(1H-indol-2-yl)acetic acid (CAS 885277-02-1)
- 2-Chloro-5-ethylphenol (CAS 153812-97-6)
- 2,6-Dichloro-4-ethylnicotinonitrile (CAS 52338-11-1)
- (2S,4S)-tert-butyl 2-((tert-butoxycarbonyl(sulfamoyl)amino)methyl)-4-mercaptopyrrolidine-1-carboxylate (CAS 148017-44-1)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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