2-Amino-6-chloro-3-nitrobenzonitrile CAS 333459-71-5
| CAS No. | 333459-71-5 |
| Molecular Formula | C7H4ClN3O2 |
| Molecular Weight | 197.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Amino-6-chloro-3-nitrobenzonitrile is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-Amino-6-chloro-3-nitrobenzonitrile (CAS 333459-71-5), a certified reference material (molecular formula C7H4ClN3O2, MW 197.58 g/mol) for analytical method development and quality control.
Structurally, 2-Amino-6-chloro-3-nitrobenzonitrile (C7H4ClN3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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 197.58 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 2-Amino-6-chloro-3-nitrobenzonitrile 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 | C7H4ClN3O2 |
| Molecular Weight | 197.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-Amino-3-chloro-5-nitrobenzonitrile (CAS 1456531-72-8)
- 2-Amino-3-chloro-5-nitrobenzonitrile (CAS 20352-84-5)
- 2-Amino-6-chloropteridin-4(3H)-one (CAS 64507-68-2)
- 3-amino-4-chloro-5-nitrobenzonitrile (CAS 218961-90-1)
- 4-Amino-6-chloro-5-cyanopicolinic acid (CAS 904311-41-7)
- 4-Amino-2-chloro-6-fluoroquinazoline (CAS 192323-44-7)
- 2-Amino-4-chloro-6-(trifluoromethyl)pyrimidine (CAS 16097-60-2)
- 4-Amino-6-chloro-5-(trifluoromethyl)pyrimidine (CAS 852061-74-6)
Recommended Standards
- 2-(5-Chloro-3-nitropyridin-2-yl)acetonitrile (CAS 886373-41-7)
- 2-Azido-5-chlorobenzoic acid (CAS 88279-11-2)
- 1H-indazole, 7-chloro-6-nitro- (CAS 858227-32-4)
- 2-Chloro-3-nitroimidazo[1,2-a]pyridine (CAS 4926-52-7)
- 4-(trans-4-Propylcyclohexyl)phenyl 4-((6-(acryloyloxy)hexyl)oxy)benzoate (CAS 182311-45-1)
- 1-(3-Methylthiophen-2-yl)ethan-1-one (CAS 13679-72-6)
- 2-(2-Bromoallyl)-4-chloro-1-methoxybenzene (CAS 951895-05-9)
- (S)-4-Methylhexanoic acid (CAS 1730-89-8)
- N-(5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)cyclohexanecarboxamide (CAS 896364-41-3)
- 3-(1H-Naphtho[2,3-d]imidazol-2-yl)propan-1-ol (CAS 313968-53-5)
- Dansylspermidine, 97% (CAS 66039-59-6)
- 1,3-Dioxooctahydroisobenzofuran-5-carboxylic acid (CAS 53611-01-1)
- (6R,7S)-7-amino-8-oxabicyclo[3.2.1]Octan-6-ol (CAS 2166338-27-6)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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