

share
Valdecoxib 3'-Sulfonamide Impurity CAS NO 1373038-56-2
Unit Price:
CAS No.:1373038-56-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Valdecoxib 3'-Sulfonamide Impurity is a high-purity reference standard used for analytical and research purposes. This compound is critical for ensuring the quality and safety of pharmaceutical products by serving as a key marker for impurity profiling and method validation. It is primarily required by pharmaceutical manufacturers, analytical laboratories, and regulatory bodies involved in the development and quality control of the COX-2 inhibitor, Valdecoxib.
Application
- Pharmaceutical Impurity Profiling: Used as a certified reference material (CRM) to identify, quantify, and monitor the 3'-Sulfonamide impurity in Valdecoxib active pharmaceutical ingredient (API) and finished drug products.
- Analytical Method Development & Validation: Essential for developing and validating sensitive HPLC, UPLC, or LC-MS/MS methods to ensure accurate detection and quantification limits for this specific impurity.
- Quality Control & Assurance (QC/QA): Serves as a system suitability standard and a calibrant in routine QC testing to comply with ICH Q3A(R2) and Q3B(R2) guidelines on impurities in new drug substances and products.
- Regulatory Compliance & Submissions: Supports the preparation of regulatory documentation for agencies like the FDA and EMA by providing definitive impurity characterization data.
- Stability Studies: Employed to track the formation and level of this degradation product under various stress conditions (e.g., heat, humidity, light) as part of drug stability testing.
- Research & Development: Used in pharmacokinetic and metabolic studies to understand the impurity's formation pathways and potential impact.
Basic Information
| Item | Detail |
|---|---|
| Product Name | Valdecoxib 3'-Sulfonamide Impurity |
| CAS No. | 1373038-56-2 |
| Molecular Formula | C16H14N2O4S |
| Molecular Weight | 330.36 g/mol |
| Synonyms | 3'-Sulfonamide Valdecoxib Impurity; Valdecoxib 3'-Sulfonamide Related Compound; 4-[5-Methyl-3-phenyl-4-isoxazolyl]benzenesulfonamide; N-[4-(5-Methyl-3-phenylisoxazol-4-yl)phenyl]sulfonamide; BMS-347070 3'-Sulfonamide Impurity; Valdecoxib Sulfonamide Analog; Valdecoxib EP Impurity; Valdecoxib USP Related Compound |
| EINECS | Contact for details |
Quality Control
Every batch of Valdecoxib 3'-Sulfonamide Impurity is manufactured and analyzed under strict quality management systems. Our products undergo rigorous identity confirmation, purity analysis, and impurity screening using advanced techniques like HPLC, LC-MS, and NMR to ensure they meet the exacting standards required for pharmaceutical reference materials. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing batch-specific results and confirming compliance with relevant pharmacopeial guidelines.
Storage
Preserve in a tightly closed container, protected from light. Store at controlled room temperature, typically between 15-25°C, in a dry environment. The product is light-sensitive and should be handled under appropriate conditions to maintain stability.
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) | Any individual impurity: ≤ 0.5% Total impurities: ≤ 2.0% |
| Residual Solvents (GC) | Complies with ICH Q3C |
| Water Content (KF) | ≤ 0.5% |
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.






