Drug Standards
Sigma Aldrich Fine Chemicals Biosciences 2E,4E-Hexadienoic acid isobutylamide United States Pharmacopeia (USP) Reference Standard | 82240-09-3 | 25MG
2E,4E-Hexadienoic acid isobutylamide United States Pharmacopeia (USP) Reference Standard | Mol Wt: 167.25 | 82240-09-3 | 25MG
Medchemexpress LLC Tolterodine impurity 1 | 260389-90-0 | C22H31NO2 | 500 MG
Tolterodine impurity 1 is an impurity of Tolterodine (HY-A0024).
- Impurity of tolterodine
Sigma Aldrich Fine Chemicals Biosciences Clindamycin palmitate hydrochloride United States Pharmacopeia (USP) Reference Standard | 25507-04-4 | 500MG
Clindamycin palmitate hydrochloride United States Pharmacopeia (USP) Reference Standard | Mol Wt: 699.85 | 25507-04-4 | 500MG
Medchemexpress LLC Clotrimazole | 23593-75-1 | 99.9% | 344.84 | 500 MG
Clotrimazole is an imidazole derivative, an antifungal compound and a CYP (cytochrome P450) inhibitor. It also possesses antibacterial activity.
- Antifungal compound
- CYP (cytochrome P450) inhibitor
- Antibacterial activity
Medchemexpress LLC Cinacalcet impurity 50 | 1622173-72-1 | 10 MG
Cinacalcet impurity 50 is a characterized impurity of cinacalcet used as a reference material for analytical and quality-control applications. It is supplied in small quantities for laboratory use and intended for research purposes only; not for human or clinical use.
- Reference material for analytical method development.
- Used for impurity profiling and quality-control testing.
- Available in small pack sizes suitable for laboratory workflows.
- Provided with chemical identifiers such as CAS number and molecular formula.
- Intended for research use only; not for human or clinical use.
Sigma Aldrich Fine Chemicals Biosciences Dacarbazine British Pharmacopoeia (BP) Reference Standard | 4342-03-4 | MFCD00057167 |
Dacarbazine British Pharmacopoeia (BP) Reference Standard | Mol Wt: 182.18 | 4342-03-4 | MFCD00057167 |
Sigma Aldrich Fine Chemicals Biosciences Enilconazole impurity E European Pharmacopoeia (EP) Reference Standard | 24155-42-8 |
Enilconazole impurity E European Pharmacopoeia (EP) Reference Standard | Mol Wt: 257.12 | 24155-42-8 |
Sigma Aldrich Fine Chemicals Biosciences Aminolevulinic acid Related Compound B United States Pharmacopeia (USP) Reference Standard | 109258-71-1 | 25MG
Aminolevulinic acid Related Compound B United States Pharmacopeia (USP) Reference Standard | Mol Wt: 275.26 | 109258-71-1 | 25MG
Medchemexpress LLC Tert-butyl methyl-(4-nitrophenyl)carbamate | 474020-88-7 | 25mg
Nintedanib impurity 8 is an impurity of Nintedanib (HY-50904)
Sigma Aldrich Fine Chemicals Biosciences Amrinone United States Pharmacopeia (USP) Reference Standard | 60719-84-8 | MFCD00083228 | 500MG
Amrinone United States Pharmacopeia (USP) Reference Standard | Mol Wt: 187.2 | 60719-84-8 | MFCD00083228 | 500MG
Sigma Aldrich Fine Chemicals Biosciences Hydrochlorothiazide British Pharmacopoeia (BP) Reference Standard | 58-93-5 | MFCD00051765 |
Hydrochlorothiazide British Pharmacopoeia (BP) Reference Standard | Mol Wt: 297.74 | 58-93-5 | MFCD00051765 |
Sigma Aldrich Fine Chemicals Biosciences Cefpodoxime proxetil for impurity H identification European Pharmacopoeia (EP) Reference Standard | 87239-81-4 |
Cefpodoxime proxetil for impurity H identification European Pharmacopoeia (EP) Reference Standard | Mol Wt: 557.6 | 87239-81-4 |
TARGETMOL CHEMICALS INC Niraparib tosylate monohyrate
Also available in 1 mL, 5 mg, 10 mg, 50 mg, 100 mg, 200 mg, 500 mg and bulk. Please contact Fisher for quotes. Niraparib, also know as MK-4827, is an inhibitor of poly (ADP-ribose) polymerase (PARP) with potential antineoplastic activity. MK4827 inhibits PARP activity, enhancing the accumulation of DNA strand breaks and promoting genomic instability and apoptosis. The PARP family of proteins detect and repair single strand DNA breaks by the base-excision repair (BER) pathway. Purity 99.09%
![Research Products International Corp Allopurinol [4-Hydroxypyrazolo-[3,4-d]pyrimidine], 150 Grams](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00006095-A21000-150.02.JPG-250.jpg)
Research Products International Corp Allopurinol [4-Hydroxypyrazolo-[3,4-d]pyrimidine], 150 Grams
Allopurinol inhibits the enzyme xanthine oxidase, which is involved in the production of uric acid. Researchers may use allopurinol to manipulate uric acid levels in experimental settings, allowing them to study the metabolism and physiological effects of uric acid in various tissues and organs.
Allopurinol may be used in studies examining drug interactions or combination therapies. By understanding how allopurinol interacts with other medications or compounds, researchers can optimize treatment strategies and minimize potential adverse effects.
Allopurinol's mechanism of action extends beyond its inhibition of xanthine oxidase. Researchers may utilize allopurinol to probe the downstream effects of xanthine oxidase inhibition, including alterations in oxidative stress, inflammation, and purine metabolism pathways.
Medchemexpress LLC Afatinib impurity 90 | 2803420-62-2 | 5mg
Afatinib impurity 90 is an impurity of Afatinib (HY-10261)