Drug Standards
Selleck Chemical LLC Naftopidil 25mg 57149-07-2 KT-611
Naftopidil (KT-611) is a selective ?1-adrenergic receptor antagonist with Ki of 3.7 nM, 20 nM, and 1.2 nM for ?1a, ?1b, and ?1d, respectively, used for the treatment of benign prostatic hyperplasia. *For Research & Development use only. Product is not intended for drug, household, or human consumption.
Medchemexpress LLC Afatinib impurity 92 | 2413212-07-2 | 10mg
Afatinib impurity 92 is an impurity of Afatinib (HY-10261)
Medchemexpress LLC Rosuvastatin impurity 54 | 799842-07-2 | MFCD08694308 | 10g
Rosuvastatin impurity 54 is an impurity of Rosuvastatin (HY-17504A)
Medchemexpress LLC Rosuvastatin impurity 54 | 799842-07-2 | MFCD08694308 | 50g
Rosuvastatin impurity 54 is an impurity of Rosuvastatin (HY-17504A)
Sigma Aldrich Fine Chemicals Biosciences Melphalan hydrochloride European Pharmacopoeia (EP) Reference Standard | 3223-07-2 |
Melphalan hydrochloride European Pharmacopoeia (EP) Reference Standard | Mol Wt: 341.66 | 3223-07-2 |
Medchemexpress LLC 2-(4-formylphenyl)propionic acid | 43153-07-7 | MFCD08275588 | C10H10O3 | 10MG
Ibuprofen Impurity K (2-(4-formylphenyl)propionic acid; CAS 43153-07-7) is a known degradation product of ibuprofen used as an analytical reference standard in impurity profiling, stability testing, and method development. It is a racemic aromatic propionic acid (C10H10O3, MW 178.18) typically supplied in milligram quantities for laboratory and quality-control use.
- Used as an analytical reference standard for impurity identification and quantification.
- Applicable to stability testing and forced-degradation studies.
- Suitable for HPLC method development and validation.
- Provided as a racemic form for representative impurity profiling.
- Molecular formula C10H10O3 and molecular weight 178.18 for analytical calculations.
- Available in small quantities suitable for research and quality-control applications.
Sigma Aldrich Fine Chemicals Biosciences Melphalan for system suitability European Pharmacopoeia (EP) Reference Standard | 3223-07-2 |
Melphalan for system suitability European Pharmacopoeia (EP) Reference Standard | Mol Wt: 341.66 | 3223-07-2 |
![Medchemexpress LLC Methanesulfonamide, n-methyl-n-[5-(bromomethyl)-4-(4-fluorophenyl)-2-pyrimidinyl] | 799842-07-2 | MFCD08694308 | 5g](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000267250.png-250.jpg)
Medchemexpress LLC Methanesulfonamide, n-methyl-n-[5-(bromomethyl)-4-(4-fluorophenyl)-2-pyrimidinyl] | 799842-07-2 | MFCD08694308 | 5g
Rosuvastatin impurity 54 is an impurity of Rosuvastatin (HY-17504A)
![Medchemexpress LLC 5-(bromomethyl)-4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidine | 799842-07-2 | MFCD08694308 | 100g](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000267229.png-250.jpg)
Medchemexpress LLC 5-(bromomethyl)-4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidine | 799842-07-2 | MFCD08694308 | 100g
Rosuvastatin impurity 54 is an impurity of Rosuvastatin (HY-17504A)
Sigma Aldrich Fine Chemicals Biosciences Metaxalone Related Compound B United States Pharmacopeia (USP) Reference Standard | 66766-07-2 | 25MG
Metaxalone Related Compound B United States Pharmacopeia (USP) Reference Standard | Mol Wt: 195.26 | 66766-07-2 | 25MG
Medchemexpress LLC (2RS)-2-(4-Formylphenyl)propionic acid | 43153-07-7 | MFCD08275588 | >98.0% | 178.18 g·mol⁻¹ | C10H10O3 | 5 MG
Ibuprofen Impurity K is an analytical standard of 2-(4-formylphenyl)propionic acid (CAS 43153-07-7) used for impurity profiling, method development, and analytical testing of ibuprofen formulations. It is supplied in laboratory-scale quantities for research and quality-control applications; storage and handling instructions are provided in the certificate of analysis.
- Analytical standard for impurity profiling and method validation.
- Relevant to COX pathway studies and ibuprofen degradation analysis.
- Available in small, laboratory-friendly quantities (e.g., 5 mg).
- Reported high purity for reliable analytical results.
- Includes storage and shipping guidance; consult the certificate of analysis.
- Suitable for research and quality-control applications.
Medchemexpress LLC N4-(4-fluorophenyl)-7-((tetrahydrofuran-3-yl)oxy)quinazoline-4,6-diamine, (S)- | 2413212-07-2 | 50mg
Afatinib impurity 92 is an impurity of Afatinib (HY-10261)
Selleck Chemical LLC Metoprolol S5430-1g
Metoprolol is a cardioselective 1-adrenergic blocking agent with log Kd values of 7 26 0 07 6 89 0 09 5 16 0 12 for 1 2 and 3 adrenoceptors respectively It is used for acute myocardial infarction heart failure angina pectoris and mild to moderate hypertension
Apexbio Technology LLC Naproxen Sodium 26159-34-2 5g
Naproxen sodium (CAS 26159-34-2) is a non-selective cyclooxygenase (COX) inhibitor that suppresses both COX-1 and COX-2 activity In vitro it exhibits IC50 values of 35 48 mol/L for COX-1 and 64 62 mol/L for COX-2 Naproxen sodium influences satellite cell biology by affecting proliferation fusion and differentiation particularly when both COX-1 and COX-2 are inhibited In HCA-7 colon cancer cells naproxen reduces cell viability with an IC50 of 1 45 0 07 M after 48-hour exposure Clinically repeated dosing in volunteers results in substantial inhibition of COX isoforms while research in menstrual migraine models shows significant reductions in headache parameters
Apexbio Technology LLC Naproxen Sodium 26159-34-2 10mM (in 1mL H2O)
Naproxen sodium (CAS 26159-34-2) is a non-selective cyclooxygenase (COX) inhibitor that suppresses both COX-1 and COX-2 activity In vitro it exhibits IC50 values of 35 48 mol/L for COX-1 and 64 62 mol/L for COX-2 Naproxen sodium influences satellite cell biology by affecting proliferation fusion and differentiation particularly when both COX-1 and COX-2 are inhibited In HCA-7 colon cancer cells naproxen reduces cell viability with an IC50 of 1 45 0 07 M after 48-hour exposure Clinically repeated dosing in volunteers results in substantial inhibition of COX isoforms while research in menstrual migraine models shows significant reductions in headache parameters