Benzenesulfonic acids and derivatives
Medchemexpress LLC Terephthalic acid disodium salt | 10028-70-3 | MFCD00013137 | 99.9% | 210.09 g/mol | C8H4Na2O4 | 5 G
Disodium terephthalate is the disodium salt of terephthalic acid, used as a chemical building block and biochemical reagent. It serves as a precursor in polyester (PET) production and is used in laboratory research applications, including formulation of skin tumor models. The material is provided as a solid for bench-scale experimental work.
- High purity suitable for analytical and research applications.
- Molecular weight 210.09 g/mol; formula C8H4Na2O4.
- Soluble in water (~70 mg/mL); ultrasonic agitation may be required.
- Supplied in small pack sizes convenient for laboratory use.
- Useful as a PET precursor and reagent in biochemical assays.
Medchemexpress LLC Azomethine-H monosodium | 5941-07-1 | 97.0% | 10 MM 1 ML
Azomethine-H monosodium is a colour-forming reagent also used for boron determinations. It is suitable for research use only.
- Colour-forming reagent
- Reagent for boron determinations
- Used for manual determination of boron in complex borenes and boranes
- Used for determining dissolved boron in water
Medchemexpress LLC 5-Sulfosalicylic acid | 97-05-2 | 98.7% | 100 MG
5-Sulfosalicylic acid is a sulfonated salicylic acid derivative that demonstrates effectiveness against breast cancer cell lines with reduced toxicity. Additionally, it exhibits antioxidant activities.
- Effective against breast cancer cell lines with less toxicity.
- Possesses antioxidant activities.
Medchemexpress LLC Cromolyn disodium | 15826-37-6 | 99.98% | 5 G
Cromolyn disodium is an orally active GSK-3β inhibitor and a mast cell stabilizer. It inhibits the release of mediators from mast cells, regulates reflex bronchoconstriction, and reduces non-specific bronchial hyperreactivity. It is used in the research of bronchial asthma and exhibits anti-inflammatory, anti-allergic, anti-histamine, anti-cancer, and neuroprotective effects.
- Orally active GSK-3β inhibitor
- Mast cell stabilizer
- Inhibits mediator release from mast cells
- Regulates reflex bronchoconstriction
- Reduces non-specific bronchial hyperreactivity
- Anti-inflammatory properties
- Anti-allergic effects
- Anti-histamine activity
- Anti-cancer properties
- Neuroprotective effects
Medchemexpress LLC Acid yellow 9 monosodium salt | 74543-21-8 | 98.0% | 5 G
Acid Yellow 9 monosodium salt is an azo dye. It is degraded by Pseudomonas fluorescens as the sole source of carbon, nitrogen, and energy for the bacterium.
- Designed for high-speed applications
- 50 mL capacity
- Leak-resistant cap
- Suitable for laboratory centrifugation and storage
Medchemexpress LLC 5-Sulfosalicylic acid dihydrate | 5965-83-3 | 99.9% | 10 MM 1 ML
5-Sulfosalicylic acid dihydrate is a sulfonated salicylic acid derivative. It is effective against the breast cancer cell line, MCF-7, with less toxicity and possesses antioxidant activities.
- It is a sulfonated salicylic acid derivative.
- It demonstrates effectiveness against the breast cancer cell line, MCF-7, with reduced toxicity.
- It possesses antioxidant activities.
- It can reduce the viability of MCF-7 cells in vitro.
- It is for research use only.
eMolecules 104-15-4 | 4-Methylbenzenesulfonic acid? | AA Blocks LLC172.200 | C7H8O3S | 0.000 | Cc1ccc(cc1)S(O)(=O)=O | 500g | 808217784
4-Methylbenzenesulfonic acid? | AA Blocks LLC | 104-15-4172.200 | C7H8O3S | 0.000 | Cc1ccc(cc1)S(O)(=O)=O | 500g | 808217784
Medchemexpress LLC P-toluenesulfonic acid-d7 monohydrate | 1219795-22-8 | 99.8% | 197.26 | C7H3D7O4S | 5 MG
p-Toluenesulfonic acid-d7 monohydrate is a deuterium-labeled reagent supplied as a solid for research use. It is used as an acid catalyst and isotopic standard for mechanistic studies, mass spectrometry, and synthetic chemistry where deuterium labeling is required.
- High purity (99.76%).
- Chemical formula: C7H3D7O4S.
- Molecular weight: 197.26 g·mol-1.
- Appearance: white to off-white solid.
- Available in small research quantities (e.g., 5 mg and 10 mg).
- Store at -20 °C, protected from light, under inert atmosphere.
- Useful as an isotopic tracer and internal standard in mass spectrometry.
Cayman Chemical 2 4-Dinitrobenzenesulfonic Ac
A hapten; induces the proliferation of primary lymphocytes and epithelial cells isolated from 2,4-DNCB-sensitized guinea pigs at 25, 50, or 100 ppm; inhibits 2,4-DNCB-induced contact sensitivity in 2,4-DNCB-sensitized guinea pigs at 600 mg/kg; has been used to induce ulcerative colitis in rats
Medchemexpress LLC I-138 | 2098211-50-6 | C26H23F3N6O | 100 MG
I-138 is an orally active, reversible inhibitor of USP1-UAF1. It induces monoubiquitination of FANCD2 and PCNA in cells and eliminates USP1 autocleavage. This compound is structurally related to ML323.
- Orally active and reversible inhibitor of USP1-UAF1
- Induces monoubiquitination of FANCD2 and PCNA in cells
- Eliminates USP1 autocleavage in cells
- Shows dose-dependent inhibition of MDA-MB-436 cell viability
- Exhibits modest antitumor activity in mice bearing MDA-MB-436 tumors
- Can be combined with Niraparib for BRCA1/2 mutant tumor inhibition in vivo
Medchemexpress LLC I-138 | 2098211-50-6 | C26H23F3N6O | 50 MG
I-138 is an orally active, reversible inhibitor of USP1-UAF1 (IC50: 4.1 nM; Ki: 5.4 nM), structurally related to ML323. It induces monoubiquitination of FANCD2 and PCNA in cells and eliminates USP1 autocleavage in cells.
- Eliminates USP1 self-lysis in HAP-1 USP1 WT and knockout cells
- Induces monoubiquitination of FANCD2 and PCNA in MDA-MB-436 cells
- Dose-dependently inhibits MDA-MB-436 cell viability
- Results in USP1 inhibition and modest antitumor activity in mice bearing MDA-MB-436 tumors
- Benefits BRCA1/2 mutant tumor inhibition when combined with Niraparib