(4-Chloro-2-methylphenyl)hydrazine CAS 58791-94-9
| CAS No. | 58791-94-9 |
| Molecular Formula | C7H9ClN2 |
| Molecular Weight | 156.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(4-Chloro-2-methylphenyl)hydrazine (CAS 58791-94-9), molecular formula C7H9ClN2 and molecular weight 156.61 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4-Chloro-2-methylphenyl)hydrazine (C7H9ClN2) contains a nitrile group, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 156.61 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | 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.) | 1973 |
| 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
- (3-Chloro-2-methylphenyl)methanol (CAS 90369-75-8)
- (4-Chloro-3-methylphenyl)hydrazine (CAS 62646-06-4)
- (2-Chloro-6-methylpyridin-3-yl)methanamine (CAS 97004-03-0)
- (4-Chloro-6-methylpyridin-2-yl)methanamine (CAS 886372-59-4)
- 4-bromo-1,1-difluorocyclohexane (CAS 1196156-51-0)
- [3-(cyclohexyloxy)phenyl]boronic acid (CAS 1236190-86-5)
- 4'-Amino-[1,1'-biphenyl]-4-ol (CAS 1204-79-1)
- 4-Cyclopropyl-5-(ethylsulfonyl)-1H-thieno[2,3-c]pyrazol-3-amine (CAS 1707393-93-8)
- (2E,4E)-2-cyano-N-((E)-(dimethylamino)methylene)-5-phenylpenta-2,4-dienamide (CAS 303995-06-4)
- 6-Bromo-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-one (CAS 145489-90-3)
- 3,6-Diethyl-N-(pentan-2-yl)pyrazin-2-amine (CAS 622835-19-2)
- 2-(4-(Ethylthio)phenyl)-N-(4-fluorobenzo[d]thiazol-2-yl)acetamide (CAS 942008-14-2)
- thiomorpholine-4-carbonyl chloride (CAS 143185-09-5)
- Staphylococcus Aureus Protein A (SpA)-Derived Peptide (H-2228.0005) (CAS 144979-26-0)
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