(2-Chloro-4-methylphenyl)hydrazine CAS 90631-70-2
| CAS No. | 90631-70-2 |
| Molecular Formula | C7H9ClN2 |
| Molecular Weight | 156.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 156.61 g/mol gives (2-Chloro-4-methylphenyl)hydrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2-Chloro-4-methylphenyl)hydrazine (CAS 90631-70-2) is a high-purity analytical reference standard with the molecular formula C7H9ClN2 and a molecular weight of 156.61 g/mol.
Based on its molecular formula C7H9ClN2, (2-Chloro-4-methylphenyl)hydrazine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (2-Chloro-4-methylphenyl)hydrazine 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 | C7H9ClN2 |
| Molecular Weight | 156.61 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 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-2-phenylethanol (CAS 1004-99-5)
- 6-Chloro-5-ethylpyridin-2-amine (CAS 1004294-54-5)
- 4-Chloro-5-isopropylpyrimidine (CAS 1015846-32-8)
- 6-chloro-1-N-methylbenzene-1,2-diamine (CAS 102074-47-5)
- 2-chloro-3,4-dimethylphenol (CAS 10283-15-5)
- 2-Chloro-4,5,6,7-tetrahydro-1H-benzimidazole (CAS 1049127-52-7)
- 3-Chloro-N,N-dimethylpyridin-2-amine (CAS 1060801-41-3)
- 6-Chloro-N,N-dimethylpyridin-2-amine (CAS 1060801-42-4)
Recommended Standards
- (2-Chloro-3-methylphenyl)methanol (CAS 61563-27-7)
- (2-Chloro-4-methylphenyl)methanol (CAS 39652-31-8)
- (1S)-1-(2-Chloro-4-pyridyl)ethanamine (CAS 937399-99-0)
- (2-Chloro-5-methylphenyl)methanol (CAS 89981-57-7)
- 1-(2'-Methoxy-[1,1'-biphenyl]-2-yl)-N-methylmethanamine (CAS 902836-95-7)
- (R)-N-(3-Cyanophenyl)-3-hydroxypyrrolidine-1-carboxamide (CAS 918813-34-0)
- 2-ethyl-5-formyl-N,N-dimethyl-1H-imidazole-1-sulfonamide (CAS 2060051-12-7)
- Methyl 1-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}-1H-1,2,4-triazole-3-carboxylate (CAS 1092346-61-6)
- 6-Amino-2-fluoro-4-hydroxy-3-iodobenzonitrile (CAS 2757602-39-2)
- 104286-03-5 2-(1,3-Benzoxazol-2-yl)benzoic acid 7971AC C14H9NO3 (CAS 104286-03-5)
- (1-(3-Chloro-4-fluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazol-4-yl)methanol (CAS 618444-44-3)
- cis-(N-4-hydroxycyclohexyl) Acetamide (CAS 27489-61-8)
- ethyl 2-{6-bromo-2-oxo-1H,2H,3H-imidazo[4,5-b]pyridin-3-yl}acetate (CAS 1204599-81-4)
- Galanin Message Associated Peptide (1-41) amide trifluoroacetate salt (CAS 132699-74-2)
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