

share
Carvedilol Ketone Impurity CAS NO 933442-50-3
Unit Price:
CAS No.:933442-50-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Carvedilol Ketone Impurity is a key pharmaceutical reference standard used in the quality control and analytical development of Carvedilol, a widely prescribed β-blocker. This compound is critical for ensuring the purity, safety, and efficacy of the final drug product by serving as a marker for a specific synthetic pathway impurity. It is primarily utilized by pharmaceutical manufacturers, analytical laboratories, and regulatory bodies for method validation, stability studies, and compliance testing.
Application
- Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the identification and quantification of the ketone impurity in Carvedilol active pharmaceutical ingredient (API) and finished dosage forms.
- Analytical Method Development & Validation (HPLC/LC-MS): Essential for developing and validating chromatographic methods to monitor impurity profiles during API synthesis and formulation.
- Quality Control & Assurance (QC/QA): Employed in routine batch release testing to ensure Carvedilol meets stringent pharmacopeial specifications (e.g., USP, EP, ICH Q3A/B) for related substances.
- Stability Studies: Used to track the formation and level of this specific degradation product under various stress conditions (e.g., heat, light, humidity) as per ICH guidelines.
- Regulatory Submissions: Provides necessary impurity characterization data for Drug Master Files (DMFs), New Drug Applications (NDAs), and other regulatory documentation.
- Research & Development: Serves as a critical tool in process chemistry R&D to optimize synthesis routes and minimize impurity generation.
Basic Information
| Product Name | Carvedilol Ketone Impurity |
| CAS No. | 933442-50-3 |
| Molecular Formula | C24H26N2O4 |
| Molecular Weight | 406.48 g/mol |
| Synonyms | 1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]-2-propanone; Carvedilol Impurity K; Carvedilol Ketone; Carvedilol Related Compound K; (RS)-1-(Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]propan-2-one; UNII-2Q5K2V8H4F; 2-Propanone, 1-(9H-carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]- |
| EINECS | Contact for details |
Quality Control
Our Carvedilol Ketone Impurity is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, MS), to ensure it meets the high standards required for pharmaceutical reference materials. Certificates of Analysis (COA) with detailed chromatographic data are provided for traceability and 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. The material is light-sensitive (store away from light).
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Retention time matches reference standard |
| Purity (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% Any individual unknown 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


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


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


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.






