Drug Standards

Apexbio Technology LLC p-Cresyl sulfate, 3233-58-7, MFCD27964764, 10 mg

MF: C7H8O4S, MW: 188.20, Solubility: 30.1mg/mL in DMSO, 50mg/mL in H2O. The p-Cresol is a protein-bound uremic retention solute.

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Apexbio Technology LLC Pyridostigmine Bromide 101-26-8 10mM (in 1mL DMSO)

Pyridostigmine Bromide (CAS 101-26-8) is a synthetic small molecule that functions as a reversible inhibitor of acetylcholinesterase By binding to the active site of the enzyme it impedes the hydrolysis of acetylcholine resulting in enhanced cholinergic transmission at neuromuscular junctions and within the parasympathetic nervous system Pyridostigmine is widely utilized in preclinical and clinical research to investigate cholinergic mechanisms model synaptic transmission and study disorders involving neuromuscular conduction Its application extends to the exploration of therapeutic approaches for diseases such as myasthenia gravis

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Sigma Aldrich Fine Chemicals Biosciences Anagrelide Related Compound A United States Pharmacopeia (USP) Reference Standard | 85325-12-8 | 25MG

Anagrelide Related Compound A United States Pharmacopeia (USP) Reference Standard | 85325-12-8 | 25MG

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Med Vet International Diphenhydramine Capsules 50mg, 100 capsules

Diphenhydramine Capsules 50mg, 100 capsulesProducts are not always manufacturer specific. Actual product appearance may differ from website image.

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Sigma Aldrich Fine Chemicals Biosciences Flavoxate impurity A European Pharmacopoeia (EP) Reference Standard | 3468-01-7 |

Flavoxate impurity A European Pharmacopoeia (EP) Reference Standard | Mol Wt: 280.27 | 3468-01-7 |

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Medchemexpress LLC Deshydroxyethoxy-2,3-O-(dimethylmethylene) ticagrelor | 274693-49-1 | 10 MG

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Ticagrelor impurity 22 is an analytical reference standard used as a drug impurity reference for analytical and research applications. It is characterized by CAS 274693-49-1 and molecular formula C24H28F2N6O3S, with a molecular weight of 518.58 g/mol. The manufacturer provides a datasheet and certificate of analysis with recommended storage and handling instructions.

• Intended for analytical and research use only.
• Provides a defined reference for impurity profiling and method validation.
• Characterized by CAS 274693-49-1 and molecular formula C24H28F2N6O3S.
• Supplied in small laboratory quantities for analytical workflows.
• Store per certificate of analysis; check CoA for exact conditions.

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U.S. Pharmacopeia Minocycline Hydrochloride, 13614-98-7, MFCD00083669, 350mg

Molecular formula C23H27N3O7 . HCl, Molecular weight 493.95

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Medchemexpress LLC Iluoridine impurity 9 | 191604-81-6 | 500mg

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Iluoridine Impurity 9 is an impurity of Iluoridine

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Sigma Aldrich Fine Chemicals Biosciences Desogestrel European Pharmacopoeia (EP) Reference Standard | 54024-22-5 | MFCD00869346 |

Desogestrel European Pharmacopoeia (EP) Reference Standard | Mol Wt: 310.47 | 54024-22-5 | MFCD00869346 |

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Sigma Aldrich Fine Chemicals Biosciences Irbesartan | 138402-11-6 | MFCD00864464 | 10 mg

Irbesartan | Purity: ≥98% | Mol Wt: 428.53 | 138402-11-6 | MFCD00864464 | 10 mg

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Apexbio Technology LLC Losartan Potassium (DuP 753) 124750-99-8 10mM (in 1mL DMSO)

Losartan Potassium (DuP 753 CAS 124750-99-8) is a small molecule antagonist selective toward angiotensin AT receptors By competitively blocking AT receptors it inhibits angiotensin II-mediated vasoconstriction demonstrated by antagonism of contractile responses in isolated rabbit aortic and jugular vein tissues (pA 8 27) As an orally bioavailable agent losartan potassium is frequently utilized in cardiovascular research notably in studies investigating hypertension and associated mechanisms of angiotensin II signaling

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Medchemexpress LLC Ibrutinib methoxy impurity | 2031255-26-0 | MFCD34184521 | 10mg

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Ibrutinib Impurity 14 is an impurity of Ibrutinib (HY-10997)

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Sigma Aldrich Fine Chemicals Biosciences Imatinib mesilate European Pharmacopoeia (EP) Reference Standard | 220127-57-1 |

Imatinib mesilate European Pharmacopoeia (EP) Reference Standard | Mol Wt: 589.71 | 220127-57-1 |

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Medchemexpress LLC Doxycycline | 564-25-0 | MFCD00800994 | 97.2% | 444.43 | C22H24N2O8 | 10 MG

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Doxycycline analytical standard is an analytical reference material of the tetracycline antibiotic doxycycline intended for research and analytical applications. It is supplied as a solid reference for assay calibration, method development, and quality control in laboratories.

• Analytical standard for assay calibration and method validation.
• Intended for research and analytical applications.
• Reported purity 97.2%.
• CAS number 564-25-0 for substance identification.
• Chemical formula C22H24N2O8; molecular weight 444.43 g/mol.
• Available in small reference quantities such as 10 mg for analytical use.