American Chemical Suppliers

A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.

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Product
Q94 hydrochloride Q94 hydrochloride. Group: Biochemicals. Grades: Purified. CAS No. 1052076-77-3. Pack Sizes: 10mg, 50mg. US Biological Life Sciences. USBiological 5
Worldwide
QBP1 ?95% (HPLC). Group: Fluorescence/luminescence spectroscopy. Alfa Chemistry Analytical Products 3
Q Bu-i Synthetic, nicotinic AChR. Rigid bicyclic analog of TMA and TEA. Grade: ≥97%. (NMR). Molecular formula: C11H22BrN. Mole weight: 248.20. BOC Sciences 2
QC-01-175 QC-01-175 is a heterobifunctional molecule, which degrades aberrant tau. QC-01-175 reduces the levels of A152T and P301L mutant tau protein and protects neurons from tau-mediated toxicity and improve cell survival (Pink: ligand for target protein Aberrant tau ligand 1 (HY-W453397); Black: linker NH2-PEG3 (HY-W007545); Blue: ligand for E3 ligase Pomalidomide (HY-10984))[1][2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2267290-96-8. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-134850. MedChemExpress MCE
Qc1 Qc1 is a reversible and noncompetitive threonine dehydrogenase ( TDH ) inhibitor. Qc1 can be used for the research of Metabolic disease [1] [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 403718-45-6. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-103391. MedChemExpress MCE
Qc1 ?98% (HPLC). Group: Fluorescence/luminescence spectroscopy. Alfa Chemistry Analytical Products
Qc 1 Qc 1. Group: Biochemicals. Grades: Purified. CAS No. 403718-45-6. Pack Sizes: 10mg, 50mg. US Biological Life Sciences. USBiological 5
Worldwide
QC6352 QC6352 is an orally active KDM4 inhibitor with anti-tumor and anti-proliferative activity. QC6352 has in vivo inhibitory effects on PDX models of breast and colon cancer and reduces the number of chemoresistant cell populations. QC6352 inhibits KDM4 different isoforms with IC50s of 104 nM (KDM4A), 56 nM (KDM4B), 35 nM (KDM4C), and 104 nM (KDM4D), respectively. QC6352 has moderate inhibitory activity against KDM5 with an IC50 of 750 nM (KDM5B)[1][2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1851373-36-8. Pack Sizes: 10 mM * 1 mL; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-104048. MedChemExpress MCE
QCA570 QCA570 is a PROTAC connected by ligands for Cereblon and BET, with an IC50 of 10 nM for BRD4 BD1 Protein. Uses: Scientific research. Group: Signaling pathways. CAS No. 2207569-08-0. Pack Sizes: 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-112609. MedChemExpress MCE
QC-Standard Solution for EN ISO 9377-2 analytical standard. Group: Method and regulation specific. Alfa Chemistry Analytical Products
Q-Dextran Q-Dextran. Group: Natural polymers and biopolymers. Alfa Chemistry Materials 5
QIK, active, GST tagged human recombinant, expressed in baculovirus infected Sf9 cells, ?70% (SDS-PAGE), buffered aqueous glycerol solution. Group: Fluorescence/luminescence spectroscopy. Alfa Chemistry Analytical Products 2
Qingyangshengenin Qingyangshengenin. Group: Biochemicals. Grades: Plant Grade. CAS No. 84745-94-8. Pack Sizes: 20mg. Molecular Formula: C28H36O8, Molecular Weight: 500.58. US Biological Life Sciences. USBiological 9
Worldwide
Qingyangshengenin 3-O-α-L-cymaropyranosyl-(1?4)-β-D-oleandropyranosyl-(1?4)-β-D-cymaropyranosyl-(1?4)-β-D-cymaropyranoside Derived from the root of Cynanchum otophyllum Schneid, Qingyangshengenin 3-O-α-L-cymaropyranosyl-(1→4)-β-D-oleandropyranosyl- (1→4)-β-D-cymaropyranosyl-(1→4)-β-D-cymaropyranoside stands as an intriguing natural compound with potential anti-tumor activity. This promising molecule is traditionally used in Chinese medicine and may be particularly effective in the treatment of hepatocellular carcinoma, a lethal form of cancer that is notoriously resistant to conventional therapies. Its active constituents exhibit a remarkably complex structure that is worthy of further study, as the implications for cancer treatment may be significant. Synonyms: AKOS040762539; 1808159-02-5; Qingyangshengenin 3-O-??-L-cymaropyranosyl-(1??4)-??-D-oleandropyranosyl-(1??4)-??-D-cymaropyranosyl-(1??4)-??-D-cymaropyranoside. Grade: 92.0%. CAS No. 1808159-02-5. Molecular formula: C56H84O20. Mole weight: 1077.27. BOC Sciences 9
Qingyangshengenin-3-O-beta-D-cymaropyranoside Qingyangshengenin-3-O-beta-D-cymaropyranoside. Group: Biochemicals. Grades: Plant Grade. CAS No. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 9
Worldwide
Qingyangshengenin 3-O-β-D-cymaropyranosyl-(1?4)-β-D-digitoxopyranoside Qingyangshengenin 3-O-β-D-cymaropyranosyl-(1→4)-β-D-digitoxopyranoside is an intriguing natural compound derived from traditional Chinese medicine, notable for its exceptional antiviral and anti-inflammatory capabilities. Its efficacy in studying viral infections, inflammation-related disorders and sundry ailments has captivated the attention of scientific minds. Grade: 97.5%. CAS No. 1186628-87-4. Molecular formula: C41H58O14. Mole weight: 774.903. BOC Sciences 9
Qingyangshengenin 3-O-β-D-oleandropyranosyl-(1?4)-β-D-cymaropyranosyl-(1?4)-β-D-digitoxopyranoside Qingyangshengenin 3-O-β-D-oleandropyranosyl-(1→4)-β-D-cymaropyranosyl-(1→4)-β-D-digitoxopyranoside, a naturally occurring compound, is a promising medicinal agent that demonstrates profound therapeutic potential in treating cancer and cardiovascular diseases. Its potent anti-tumor activity and the ability to promote apoptosis in cancerous tissues make it an effective treatment for cancer. Furthermore, it possesses anti-inflammatory properties and can be employed as a therapeutic agent for heart failure by restoring cardiac function and reducing mortality rates. The multifaceted properties of this compound underscore its potential as a valuable asset for healthcare innovation. Grade: 98.0%. CAS No. 1186628-88-5. Molecular formula: C48H70O17. Mole weight: 919.074. BOC Sciences 9
Qingyangshengenin A Qingyangshengenin A. Group: Biochemicals. Grades: Plant Grade. CAS No. 106644-33-1. Pack Sizes: 20mg. Molecular Formula: C49H72O17, Molecular Weight: 933.1. US Biological Life Sciences. USBiological 9
Worldwide
Qingyangshengenin B Qingyangshengenin B. Group: Biochemicals. Grades: Plant Grade. CAS No. 106758-54-7. Pack Sizes: 20mg. Molecular Formula: C49H78O16, Molecular Weight: 923.15. US Biological Life Sciences. USBiological 9
Worldwide
QL9 QL9 (QLSPFPFDL), derived from the enzyme 2-oxoglutarate dehydrogenase, is a high-affinity alloantigen for the 2C T cell receptor (TCR). Synonyms: L-Leucine, L-glutaminyl-L-leucyl-L-seryl-L-prolyl-L-phenylalanyl-L-prolyl-L-phenylalanyl-L-α-aspartyl-; Gln-Leu-Ser-Pro-Phe-Pro-Phe-Asp-Leu; QL 9; QL-9. Grade: ≥95%. CAS No. 159646-83-0. Molecular formula: C52H74N10O14. Mole weight: 1063.21. BOC Sciences
QLS12003-605-3 QLS12003-605-3. Uses: Designed for use in research and industrial production. Product Category: PROTAC Library. Molecular formula: C20H22FN3O7S. Mole weight: 467.468. Product ID: PR01158. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry.
QNZ QNZ (EVP4593) shows strong inhibitory effects on NF-?B transcriptional activation and TNF-? production with IC50s of 11 and 7 nM, respectively. QNZ (EVP4593) is a neuroprotective inhibitor of SOC channel. Uses: Scientific research. Group: Signaling pathways. Alternative Names: EVP4593. CAS No. 545380-34-5. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg. Product ID: HY-13812. MedChemExpress MCE
QNZ46 ?98% (HPLC). Group: Fluorescence/luminescence spectroscopy. Alfa Chemistry Analytical Products
QO-40 QO-40 is a pyrazolo[1,5-a]pyrimidine-7(4H)-one (PPO) derivative and an activator of the voltage-gated M-type potassium channel KCNQ encoded by the KCNQ2/3 gene (EC 50 : 1.25 μM) [1] [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1259536-70-3. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-130070. MedChemExpress MCE
Q-Peptide This sequence belongs to the integrin motif of the Ang1 and Ang2 fibrinogen-like (fbg-lk) domain and has been found conserved in mice, rats, humans, and other species. Synonyms: Angiopoietin-1 (312-318) (bovine); L-Serine, L-glutaminyl-L-histidyl-L-arginyl-L-α-glutamyl-L-α-aspartylglycyl-; H-Gln-His-Arg-Glu-Asp-Gly-Ser-OH. Grade: ≥95%. CAS No. 1361235-89-3. Molecular formula: C31H49N13O14. Mole weight: 827.81. BOC Sciences 11
Q Pr Synthetic, nicotinic AChR. Rigid bicyclic analog of TMA and TEA. Grade: ≥97%. (NMR). Molecular formula: C10H20BrN. Mole weight: 234.17. BOC Sciences 2
QR-0217 QR-0217 is a potent Aβ1-40 aggregation inhibitor with an IC 50 value of 7.5 μM. QR-0217 inhibits α-synuclein aggregation. QR-0217 reduces memory impairments caused by Aβ neurotoxicity [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 1027786-12-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-153416. MedChemExpress MCE
QS11 QS11 is an inhibitor of ARFGAP1 (ADP-ribosylation factor GTPase-activating protein 1), with an EC50 of 1.5 ?M. QS11 activates Wnt/?-catenin signaling through an effect on protein trafficking. QS11 inhibits migration of ARFGAP overexpressing breast cancer cells[1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 944328-88-5. Pack Sizes: 10 mM * 1 mL; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-12762. MedChemExpress MCE
QS 11 QS 11. Group: Biochemicals. Grades: Purified. CAS No. 944328-88-5. Pack Sizes: 10mg, 50mg. US Biological Life Sciences. USBiological 5
Worldwide
QS11 (QS 11, QS-11, (2S)-2-[2-(Indan-5-yloxy)-9-(1,1'-biphenyl-4-yl)methyl)-9Hpurin-6-ylamino]-3-phenyl-propan-1-ol) Inhibits the GTPase activating protein of ADP-ribosylation factor 1 (ARFGAP1) as well as synergizes the Wnt/b-catenin signaling pathway. The Wnt/b-catenin signaling pathway regulates cell fate and behavior during embryogenesis, adult tissue homeostasis, and regeneration. Group: Biochemicals. Alternative Names: (2S)-2-[2-(Indan-5-yloxy)-9-(1,1'-biphenyl-4-yl)methyl)-9Hpurin-6-ylamino]-3-phenyl-propan-1-ol. Grades: Highly Purified. CAS No. 944328-88-5. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 1
Worldwide
QS-21 QS-21, an immunostimulatory saponin, could be used as a potent vaccine adjuvant. QS-21 stimulates Th2 humoral and Th1 cell-mediated immune responses through action on antigen presenting cells (APCs) and T cells. QS-21 can activate the NLRP3 inflammasome with subsequent release of caspase-1 dependent cytokines, IL-1β and IL-18 [1] [2] [3]. Uses: Scientific research. Group: Natural products. Alternative Names: Stimulon. CAS No. 141256-04-4. Pack Sizes: 1 mg; 5 mg. Product ID: HY-101092. MedChemExpress MCE
QST4 QST4 has antitubercular activity, with the MIC value of 6.25 μM in Mycobacterium tuberculosis H37Rv [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2991427-35-9. Pack Sizes: 5 mg; 10 mg. Product ID: HY-156421. MedChemExpress MCE
QTZ QTZ is a bioluminescence agent for in vivo imaging. QTZ has red-shifted emission and yields very little background. QTZ is a coelenterazine analog with the 4-quinolinyl substitution at the C8 position of the imidazopyrazinone core [1]. Uses: Scientific research. Group: Fluorescent dye. CAS No. 2883232-39-9. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-47176. MedChemExpress MCE
Quabodepistat Quabodepistat (OPC-167832) is a potent and orally active dprE1 inhibitor with an IC 50 of 0.258 μM. Quabodepistat has antituberculosis activity and can be used for the research of tuberculosis caused by Mycobacterium tuberculosis [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: OPC-167832. CAS No. 1883747-71-4. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-134940. MedChemExpress MCE
Quadricyclane Quadricyclane. Uses: Designed for use in research and industrial production. Additional or Alternative Names: QUADRICYCLANE;[2.2.1.02,6.03,5]Quadricycloheptane;tetracyclo(2.2.1.0(sup2,6).0(sup3,5))heptane;tetracyclo(3.2.0.0(sup2,7).0(sup4,6))heptane;Tetracyclo[2.2.1.0(2,6).0(3,5)]heptane;Tetracyclo[3.2.0.0(2,7).0(4,6)]heptane;tetracyclo[3.2.0.02,7.04,6]heptane. Product Category: Heterocyclic Organic Compound. CAS No. 278-06-8. Molecular formula: C7H8. Mole weight: 92.14. Product ID: ACM278068. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
Quadrilineatin It is originally isolated from Asp. quadrilineatus NRRL 521, NRRL 201, SM 200, SM-297, GA317. Quadrilineatin has antifungal and bacterial effects. Synonyms: 5-Hydroxy-3-methoxy-4-methylbenzene-1,2-dicarbaldehyde; 3-Methoxy-4-methyl-5-hydroxyphthalaldehyde. CAS No. 642-27-3. Molecular formula: C10H10O4. Mole weight: 194.18. BOC Sciences 12
Quadrol Quadrol is an immunostimulant that has been considered as a potentially useful active molecule for accelerating wound healing. Quadrol can form a complex with Ca2+, mediate the entry of Ca2+ into macrophages, and stimulate macrophage activation. Uses: Scientific research. Group: Signaling pathways. Alternative Names: N,N,N?,N?-Tetrakis(2-hydroxypropyl)ethylenediamine; EDTP. CAS No. 102-60-3. Pack Sizes: 10 mM * 1 mL; 500 mg; 10 g. Product ID: HY-B2149. MedChemExpress MCE
Quadrone It is an unusual sesquiterpene metabolite isolated from aspergillus terreus. It exhibits antitumor activity. Synonyms: (-)-Quadrone; [3aS-(3aα,5aβ,6α,8aα,8bα)]-Octahydro-10,10-dimethyl-6,8b-ethano-8bH-cyclopenta[de]-2-benzopyran-1,4-dione; (3aS,5aR,6R,8aR,8bR)-octahydro-10,10-dimethyl-6,8b-ethano-8bH-cyclopenta[de]-2-benzopyran-1,4-dione. Grade: >98% by HPLC. CAS No. 66550-08-1. Molecular formula: C15H20O3. Mole weight: 248.32. BOC Sciences 12
Quadrosilan Quadrosilan. Uses: Designed for use in research and industrial production. Additional or Alternative Names: quadrosilan;Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis-;2,4,6,6,8-hexamethyl-4,8-diphenyl- cis-cyclotetrasiloxan;2,6-cis-diphenylhexamethylcyclotetrasiloxane;2,6-diphenylhexamethyl-, Z-Cyclotetrasiloxane;6-diphenylhexamethyl- z-cyclotetrasiloxan;cis-2,6-diphenyl-2,4,4,6,8,8-hexamethylcyclotetrasiloxane;cisobitan. CAS No. 33204-76-1. Molecular formula: C18H28O4Si4. Mole weight: 420.759. Purity: 0.96. IUPACName: 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane. Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O1)(C)C2=CC=CC=C2)(C)C)(C)C3=CC=CC=C3)C. Density: 1.06 g/cm³. ECNumber: 251-406-1. Product ID: ACM33204761. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 2
Qualmix Bacterial FAME mixture Qualmix Bacterial FAME mixture. Group: Others. Appearance: Liquid. Qualmix Bacterial FAME mixture; Qualitative Mixtures; lipid mixture; mix; qualitive mixture; quantitive mixture; Matreya, LLC; Matyera; Larodan; lipid products. Cat No: LMIZ-089. Creative Enzymes
Qualmix Fish S mixture Qualmix Fish S mixture. Group: Others. Qualmix Fish S mixture; GC; Qualitative Mixtures; lipid mixture; mix; qualitive mixture; quantitive mixture; Matreya, LLC; Matyera; Larodan; lipid products. Cat No: LMIZ-090. Creative Enzymes
Qualmix PUFA Fish M Natural Menhaden Oil mixture Qualmix PUFA Fish M Natural Menhaden Oil mixture. Group: Others. Qualmix PUFA Fish M Natural Menhaden Oil mixture; Qualitative Mixtures; lipid mixture; mix; qualitive mixture; quantitive mixture; Matreya, LLC; Matyera; Larodan; lipid products. Cat No: LMIZ-091. Creative Enzymes
Qualmix PUFA Fish N Natural Fish Oil mixture Qualmix PUFA Fish N Natural Fish Oil mixture. Group: Others. Qualmix PUFA Fish N Natural Fish Oil mixture; Qualitative Mixtures; lipid mixture; mix; qualitive mixture; quantitive mixture; Matreya, LLC; Matyera; Larodan; lipid products. Cat No: LMIZ-092. Creative Enzymes
Qualmix PUFA Porcine T mixture Qualmix PUFA Porcine T mixture. Group: Others. Qualmix PUFA Porcine T mixture; Qualitative Mixtures; lipid mixture; mix; qualitive mixture; quantitive mixture; Matreya, LLC; Matyera; Larodan; lipid products. Cat No: LMIZ-093. Creative Enzymes
Quantacure ABQ Quantacure ABQ is a water soluble, copolymerizable benzophenone photoinitiator used in the UV curing of coatings used in textile and furniture industries. Group: Biochemicals. Grades: Highly Purified. CAS No. 125850-75-1. Pack Sizes: 250mg, 2.5g. Molecular Formula: C21H24BrNO3, Molecular Weight: 418.32. US Biological Life Sciences. USBiological 5
Worldwide
Quantum Dots Quantum Dots. Group: other quantum dots. Alfa Chemistry Materials 3
Quantum dots for LED Quantum dots for LED. Group: Quantum dots for led. Water. Alfa Chemistry Materials 7
Quantum dot surface modification antibody Quantum dot surface modification antibody. Group: Graphene quantum dots. Alfa Chemistry Materials 7
Quantum dot surface modification drug small molecule Quantum dot surface modification drug small molecule. Group: Graphene quantum dots. Water. Alfa Chemistry Materials 7
Quarfloxin Quarfloxin (CX-3543), a fluoroquinolone derivative with antineoplastic activity, targets and inhibits RNA pol I activity, with IC 50 values in the nanomolar range in neuroblastoma cells. Quarfloxin disrupts the interaction between the nucleolin protein and a G-quadruplex DNA structure in the ribosomal DNA (rDNA) template [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: CX-3543. CAS No. 865311-47-3. Pack Sizes: 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-14776. MedChemExpress MCE
quarterphenyl- 3, 3''', 5, 5'''- tetracarboxylic acid quarterphenyl- 3, 3''', 5, 5'''- tetracarboxylic acid. Group: Carboxylic acid mof ligand-tetracarboxylic acid mof ligand. CAS No. 921619-91-2. Product ID: 5-[4-[4-(3,5-dicarboxyphenyl)phenyl]phenyl]benzene-1,3-dicarboxylic acid. Molecular formula: 482.4g/mol. Mole weight: C28H18O8. InChI=1S/C28H18O8/c29-25 (30)21-9-19 (10-22 (13-21)26 (31)32)17-5-1-15 (2-6-17)16-3-7-18 (8-4-16)20-11-23 (27 (33)34)14-24 (12-20)28 (35)36/h1-14H, (H, 29, 30) (H, 31, 32) (H, 33, 34) (H, 35, 36). UMTUQDSLNCYCDQ-UHFFFAOYSA-N. Alfa Chemistry Materials 7
QUARTZ (2.50 m2/g) (nitrogen BET specific surface area) certified Reference Material. Group: Certified reference materials (crms)physical propertiesphysical properties. Alfa Chemistry Analytical Products 4
Quartz crystal Quartz crystal. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Silica, Quartz, Cristobalite, Sand, Dioxosilane, Diatomite, Tridymite, Aerosil, Silicic anhydride, SILICON DIOXIDE, Silica gel, Infusorial earth, Christensenite, Crystoballite, Sillikolloid, Chalcedony, Novaculite, Superfloss, Amethyst, Cataloid. Product Category: Heterocyclic Organic Compound. CAS No. 15723-40-7. Molecular formula: O2Si. Mole weight: 60.084300 [g/mol]. Purity: 0.96. IUPACName: dioxosilane. Product ID: ACM15723407. Alfa Chemistry — ISO 9001:2015 Certified. Alfa Chemistry. 5
Quartz Glass Slides Substrate Quartz Glass Slides Substrate. Uses: Laser substrate: window, lens, prism. Group: Single crystal substrates. > 99.99 %. Alfa Chemistry Materials 3
Quartz Optical Window, 12.7mm (0.5in) dia x 1mm (0.04in) thick Quartz Optical Window, 12.7mm (0.5in) dia x 1mm (0.04in) thick. Group: Windows & spheres. Alfa Chemistry Materials 6
Quartz Optical Window, 12.7mm (0.5in) dia x 2mm (0.08in) thick Quartz Optical Window, 12.7mm (0.5in) dia x 2mm (0.08in) thick. Group: Windows & spheres. Alfa Chemistry Materials 6
Quartz Optical Window, 25.4mm (1.0in) dia x 1mm (0.04in) thick Quartz Optical Window, 25.4mm (1.0in) dia x 1mm (0.04in) thick. Group: Windows & spheres. Alfa Chemistry Materials 6
Quartz Optical Window, 25.4mm (1.0in) dia x 2mm (0.08in) thick Transparent to gray, odorless powder. Irritating to the skin and eyes on contact. Inhalation will cause irritation in the respiratory tract. [Note: Amorphous silica is the non-crystalline form of SiO2.];PelletsLargeCrystals, OtherSolid, Liquid;DryPowder; Liquid;DryPowder; OtherSolid;DryPowder; DryPowder, Liquid; DryPowder, OtherSolid; Liquid; OtherSolid; PelletsLargeCrystals; WetSolid; WetSolid, Liquid;DryPowder; DryPowder, Liquid; DryPowder, PelletsLargeCrystals; OtherSolid; PelletsLargeCrystals;DryPowder; OtherSolid;DryPowder; DryPowder, Liquid; DryPowder, OtherSolid; DryPowder, OtherSolid, Liquid; DryPowder, PelletsLargeCrystals; DryPowder, PelletsLargeCrystals, Liquid; DryPowder, PelletsLargeCrystals, OtherSolid; DryPowder, PelletsLargeCrystals, WetSolid; DryPowder, WetSolid; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSolid; WetSolid, Liquid;PelletsLargeCrystals;White, fluffy powder or granules. Hygroscopic;Solid;FINE WHITE POWDER.;COLOURLESS OR WHITE CRYSTALS.;COLOURLESS WHITE CRYSTALS.;COLOURLESS OR WHITE CRYSTALS.;Solid;Transparent to gray, odorless powder. [Note: Amorphous silica is the non-crystalline form of SiO2.]. Group: Windows & spheres. Product ID: dioxosilane. Molecular formula: 60.084g/mol. Mole weight: (SiO2)n; SiO2; SiO2; SiO2; SiO2; SiO2; O2Si. O=[Si]=O. InChI=1S/O2Si/c1-3-2. VYPSYNLAJGMNEJ-UHFFFAOYSA-N. Alfa Chemistry Materials 6
Quartz Optical Window, 25.4mm (1.0in) dia x 3mm (0.12in) thick Quartz Optical Window, 25.4mm (1.0in) dia x 3mm (0.12in) thick. Group: Windows & spheres. Alfa Chemistry Materials 6
Quartz Optical Window, 50.8mm (2.0in) dia x 5mm (0.20in) thick Quartz Optical Window, 50.8mm (2.0in) dia x 5mm (0.20in) thick. Group: Windows & spheres. Alfa Chemistry Materials 6
Quartz (particle size) certified Reference Material, 0.35-3.50 ?m particle size. Group: Certified reference materials (crms). Alfa Chemistry Analytical Products
Quartz (particle size) certified Reference Material, 2.40-32.00 ?m particle size. Group: Certified reference materials (crms). Alfa Chemistry Analytical Products
Quartz powder with small specific surface area Quartz powder with small specific surface area. Uses: For analytical and research use. Group: Physical properties; process materials, geological, cement & soils; physical properties. Catalog: APS011599. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Quasar 570 CE Phosphoramidite Quasar 570 dyes are cyanine derivatives of Cyanine 3. Cyanine dyes are a popular oligonucleotide modification and are commonly used for imaging, flow cytometry, and genomic applications. Grade: 95%. CAS No. 1032678-27-5. Molecular formula: C45H65F6N5O2P2. Mole weight: 883.99. BOC Sciences 9
Quasar 670 CE Phosphoramidite Quasar 670 dyes are cyanine derivatives of Cyanine 5. Cyanine dyes are a popular oligonucleotide modification and are commonly used for imaging, flow cytometry, and genomic applications. Synonyms: 3H-Indolium, 2-[5-[1-[6-[[trans-4-[[[bis(1-methylethyl)amino](2-cyanoethyl)phosphino]oxy]cyclohexyl]amino]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1,3,3-trimethyl-, hexafluorophosphate(1-) (1:1). Grade: 95%. CAS No. 1032678-33-3. Molecular formula: C47H67F6N5O2P2. Mole weight: 910.02. BOC Sciences 9
Quassia Bark Powder Quassia Bark Powder. Pharma Resources International LLC
CA, FL & NJ
Quassin Quassin (Nigakilactone D) is a bioactive triterpenoid from stem bark extract of Quassia amara. Quassin inhibits P. falciparum with an IC 50 of 0.15 μM. Quassin possesses reversible antifertility, anti-estrogenic and anti-plasmodial activity [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: Nigakilactone D. CAS No. 76-78-8. Pack Sizes: 1 mg; 5 mg. Product ID: HY-N1581. MedChemExpress MCE
Quassin Quassin. Group: Biochemicals. Alternative Names: 2,12-Dimethoxypicrasa-2,12-diene-1,11,16-trione; Phenanthro[10,1-bc]pyran, picrasa-2,12-diene-1,11,16-trione deriv.; (+)-Quassin; NSC 36342; Nigakilactone D; Quassine. Grades: Highly Purified. CAS No. 76-78-8. Pack Sizes: 2.5mg. Molecular Formula: C22H28O6, Molecular Weight: 388.45. US Biological Life Sciences. USBiological 3
Worldwide
Quassin Quassin is a natural diterpenoid found in the barks of Quassia amara L. It exhibits anti-larval activity at a concentration of 6 ppm. Uses: Anti-larval. Synonyms: Picrasa-2,12-diene-1,11,16-trione, 2,12-dimethoxy-. Grade: >96%. CAS No. 76-78-8. Molecular formula: C22H28O6. Mole weight: 388.5. BOC Sciences 9
quaternary-amine-transporting ATPase ABC-type (ATP-binding cassette-type) ATPase, characterized by the presence of two similar ATP-binding domains. Does not undergo phosphorylation during the transport process. A bacterial enzyme that imports betaine and glycine. Group: Enzymes. Enzyme Commission Number: EC 3.6.3.32. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4670; quaternary-amine-transporting ATPase; EC 3.6.3.32. Cat No: EXWM-4670. Creative Enzymes

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