3-chloro-1H-indazole-6-carbonitrile CAS 1243389-39-0
| CAS No. | 1243389-39-0 |
| Molecular Formula | C8H4ClN3 |
| Molecular Weight | 177.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-chloro-1H-indazole-6-carbonitrile (CAS 1243389-39-0), molecular formula C8H4ClN3 and molecular weight 177.59 g/mol, is a CATO reference standard with documented purity and traceability.
3-chloro-1H-indazole-6-carbonitrile (C8H4ClN3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 | C8H4ClN3 |
| Molecular Weight | 177.59 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 6-Chloro-1H-pyrrolo[2,3-b]pyridine-4-carbonitrile (CAS 1000340-76-0)
- 3-Chloro-1H-indazole-5-carbonitrile (CAS 1000341-16-1)
- 3-Chloro-1H-indazole-4-carbonitrile (CAS 1000341-39-8)
- 5-Chloro-1H-pyrrolo[2,3-b]pyridine-4-carbonitrile (CAS 1021339-16-1)
- 7-Chloro-1H-indazole-5-carbonitrile (CAS 1031417-56-7)
- 7-Chloro-1H-pyrrolo[3,2-c]pyridine-4-carbonitrile (CAS 1082040-97-8)
- 4-Chloro-1H-indazole-6-carbonitrile (CAS 1082041-44-8)
- 4-Chloro-1H-indazole-5-carbonitrile (CAS 1082041-91-5)
Recommended Standards
- 6-Chloroimidazo[1,2-a]pyridine-3-carbonitrile (CAS 123531-24-8)
- 7-Chloro-1H-pyrrolo[3,2-c]pyridine-3-carbonitrile (CAS 1260381-35-8)
- 8-Chloroimidazo[1,2-a]pyridine-6-carbonitrile (CAS 1221792-07-9)
- 6-Chloro-1H-pyrrolo[3,2-c]pyridine-3-carbonitrile (CAS 1260381-90-5)
- 5-(4-Methoxyphenyl)-4-[4-(trifluoromethoxy)-phenyl]-4H-1,2,4-triazole-3-thiol (CAS 1171522-84-1)
- (4-(Tert-butyl)phenyl)(3-hydroxyazetidin-1-yl)methanone (CAS 1484086-54-5)
- 2-Cyclohexylphenol (CAS 119-42-6)
- 3-Bromo-5-(propan-2-yloxy)aniline hydrochloride (CAS 1376298-90-6)
- tert-Butyl 3,5-dihydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate (CAS 2386419-72-1)
- (3S,5S)-5-(methoxymethyl)pyrrolidin-3-ol hydrochloride (CAS 1909287-17-7)
- 1-(3-Butoxy-4-methylphenyl)-2,2,2-trifluoroethanone (CAS 1443336-86-4)
- 1-chloro-2-(chloromethyl)-3-methoxybenzene (CAS 344294-26-4)
- 4-(4-Ethyl-5-((4-methylbenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 482640-04-0)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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