

share
n-[4-Chloro-2-(Phenylamino)Phenyl]-n-Methylacetamide (Clobazam Impurity) CAS NO 75524-13-9
Unit Price:
CAS No.:75524-13-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
n-[4-Chloro-2-(Phenylamino)Phenyl]-n-Methylacetamide, also known as Clobazam Impurity, is a critical reference standard used in the pharmaceutical development and quality control of the anticonvulsant drug Clobazam. Its primary value lies in enabling precise identification, quantification, and control of this specific impurity, which is essential for ensuring drug safety, efficacy, and regulatory compliance. This high-purity compound is indispensable for analytical laboratories, research institutions, and pharmaceutical manufacturers focused on API synthesis, method validation, and batch release testing.
Application
- Pharmaceutical Reference Standard: Primary application as a certified reference material (CRM) for the identification and quantification of the n-[4-Chloro-2-(Phenylamino)Phenyl]-n-Methylacetamide impurity in Clobazam Active Pharmaceutical Ingredient (API) and finished dosage forms.
- Analytical Method Development & Validation: Used to develop, optimize, and validate sensitive HPLC, UPLC, or GC methods for impurity profiling in compliance with ICH Q3A(R2) and Q3B(R2) guidelines.
- Quality Control & Batch Release: Serves as a system suitability standard in routine QC testing to ensure the accuracy and precision of impurity assays for commercial Clobazam batches.
- Stability Studies: Employed to monitor the formation and levels of this specific degradation product during forced degradation and long-term stability studies of Clobazam.
- Process Chemistry & Optimization: Used by process chemists to identify the source of this impurity during API synthesis, aiding in the refinement of manufacturing processes to minimize its formation.
- Regulatory Submissions: Critical for preparing regulatory documentation (e.g., for FDA, EMA) to establish impurity acceptance criteria and demonstrate control strategies.
Basic Information
| Product Name | n-[4-Chloro-2-(Phenylamino)Phenyl]-n-Methylacetamide (Clobazam Impurity) |
| CAS No. | 75524-13-9 |
| Molecular Formula | C15H15ClN2O |
| Molecular Weight | 274.75 g/mol |
| Synonyms | Clobazam Impurity; Clobazam Related Compound; 1-(4-Chloro-2-(phenylamino)phenyl)-N-methylacetamide; N-Methyl-2-[4-chloro-2-(phenylamino)phenyl]acetamide; 2-(4-Chloro-2-anilinophenyl)-N-methylacetamide; ONO-1401 Impurity; Frisium Impurity |
| EINECS | Contact for details |
Quality Control
Our n-[4-Chloro-2-(Phenylamino)Phenyl]-n-Methylacetamide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC purity assay, identification by spectroscopic methods (IR, NMR, MS), and precise control of related substances, to ensure it meets the exacting standards required for pharmaceutical reference materials. Certificates of Analysis (COA) with detailed chromatographic data are provided for every lot, supporting compliance with ICH, USP, and EP guidelines.
Storage
Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing under inert atmosphere to ensure stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to reference spectrum |
| Identification (HPLC) | Retention time matches reference standard |
| Purity (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% Any individual impurity ≤ 0.5% |
| Residual Solvents (GC) | Complies with ICH Q3C |
| Water Content (KF) | ≤ 0.5% w/w |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Pregabalin Ep Impurity A CAS NO 181289-23-6


Sulfamethazine-N4-Acetyl CAS NO 100-90-3


Pseudomorphine (Morphine Impurity) CAS NO 125-24-6


Dextrorphan D-Tartrate CAS NO 125-73-5


8-Acetyl Ludaconitine CAS NO 127-29-7


Oxythiamine Hydrochloride CAS NO 136-16-3


Dl-Normetanephrine Hydrochloride CAS NO 1011-74-1


Hydrochlorothiazide Impurity G CAS NO 1025-75-8


Prednisone Impurity 24 CAS NO 1058-04-4


Cinepazide Impurity 5 CAS NO 1078-64-4


n-Nitrosodiethanolamine CAS NO 1116-54-7


10-Hydroxynortriptyline CAS NO 1156-99-6


Nicorandil Impurity 16 CAS NO 1157-74-0


17Beta-Hydroxy-4-Androsten-3-One 17-D-Glucuronide CAS NO 1180-25-2


6,6',12'-Trimethoxy-2-Methyloxyacanthan-7-Ol CAS NO 1183-76-2


16-Dehydro Pregnenolone Acetate Impurity 3 CAS NO 1173-11-1


Thiamine Impurity 27 CAS NO 1196-75-4


4-Hydroxytriamterene CAS NO 1226-52-4


Betamethasone Impurity 7 CAS NO 1249-19-0


Benzocaine Impurity D CAS NO 1333-08-0
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






