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.

Search for products or services, then visit the suppliers website for prices or more information.

Product
Q11 peptide Q11 peptide. CAS No. 581799-39-5. Molecular formula: C70H99N19O20. Mole weight: 1526.65. Alfa Chemistry Materials
Q203 Q203, also known as IAP6, was active against the reference strain M. tuberculosis H37Rv at a minimum concentration required to inhibit the growth of 50% of organisms (MIC50) of 2.7 nM in culture broth medium and at a MIC50 of 0.28 nM inside macrophages. Alternative Names: Q203; Q 203; Q-203; 6-chloro-2-ethyl-N-[[4-[4-[4-(trifluoromethoxy)phenyl]piperidin-1-yl]phenyl]methyl]imidazo[1,2-a]pyridine-3-carboxamide; 6-chloro-2-ethyl-N-(4-(4-(4-(trifluoromethoxy)phenyl)piperidin-1-yl)benzyl) imidazo(1,2-a)pyridine-3-carboxamide. CAS No. 1334719-95-7. Molecular formula: C29H28ClF3N4O2. Mole weight: 557.01. BOC Sciences 4
Q94 hydrochloride Q94 hydrochloride. Group: Biochemicals. Grades: Purified. CAS No. 1052076-77-3. Pack Sizes: 10mg, 50mg. US Biological Life Sciences. USBiological 13
Worldwide
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. Category: Signaling pathways. CAS No. 2267290-96-8. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-134850. MedChemExpress MCE
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. Category: Signaling pathways. CAS No. 1851373-36-8. Pack Sizes: 10 mM * 1 mL in DMSO; 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. Category: Signaling pathways. CAS No. 2207569-08-0. Pack Sizes: 10 mM * 1 mL in DMSO; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-112609. MedChemExpress MCE
Q-Dextran Q-Dextran. Alfa Chemistry Materials 3
Qingdainone Qingdainone is a natural product that can be obtained from Qingdai. Qingdainone has the potential to study cancer and inflammation[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 97457-31-3. Pack Sizes: 1 mg; 5 mg. Product ID: HY-W749874. MedChemExpress MCE
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 13
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. Alternative Names: AKOS040762539; 1808159-02-5; Qingyangshengenin 3-O-??-L-cymaropyranosyl-(1??4)-??-D-oleandropyranosyl-(1??4)-??-D-cymaropyranosyl-(1??4)-??-D-cymaropyranoside. Grades: 92.0%. CAS No. 1808159-02-5. Molecular formula: C56H84O20. Mole weight: 1077.27. BOC Sciences 12
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. Grades: 97.5%. CAS No. 1186628-87-4. Molecular formula: C41H58O14. Mole weight: 774.903. BOC Sciences 12
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. Grades: 98.0%. CAS No. 1186628-88-5. Molecular formula: C48H70O17. Mole weight: 919.074. BOC Sciences 12
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 13
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 13
Worldwide
QL-1200186 QL-1200186 is a selective, orally active, allosteric inhibitor targeting the tyrosine kinase TYK2 pseudokinase domain JH2 (IC50=0.06 nM, TYK2 JH2), with 164-fold selectivity over TYK1 JH2 (IC50=9.85 nM, TYK1 JH2). QL-1200186 first stabilizes the TYK2 JH2 conformation, inhibits the activity of the JH1 catalytic domain, and blocks the IFNα, IL-12/IL-23-mediated JAK-STAT signaling pathway. QL-1200186 can inhibit the production of Th1/Th17 cell-related cytokines (such as IFNγ, IL-23), reduce immune cell activation, and has no significant effect on JAK1/2/3 kinase activity. QL-1200186 can significantly improve skin inflammation in the Imiquimod (HY-B0180)-induced psoriasis mouse model and reduce the Psoriasis Area and Severity Index (PASI) score. QL-1200186 can be used in the study of autoimmune diseases such as psoriasis and systemic lupus erythematosus (SLE)[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2848664-42-4. Pack Sizes: 10 mM * 1 mL in DMSO; 1 mg; 5 mg; 10 mg; 25 mg. Product ID: HY-156466. MedChemExpress MCE
QL9 QL9 (QLSPFPFDL), derived from the enzyme 2-oxoglutarate dehydrogenase, is a high-affinity alloantigen for the 2C T cell receptor (TCR). Alternative Names: 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. Grades: ≥95%. CAS No. 159646-83-0. Molecular formula: C52H74N10O14. Mole weight: 1063.21. BOC Sciences 10
QM295 QM295 is an endoplasmic reticulum oxidation 1 (ERO1) inhibitor with selectively reversible thiol reactivity. QM295 can be used for the research of endoplasmic reticulum stress[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 1241046-32-1. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-148520. MedChemExpress MCE
QM385 QM385 is a potent sepiapterin reductase (SPR) inhibitor with an IC50 of 1.49 nM, which blocks T-cell proliferation and autoimmunity at nanomolar potency and with good oral bioavailability[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2093421-02-2. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-114388. MedChemExpress MCE
QNZ QNZ (EVP4593) shows strong inhibitory effects on NF-κB transcriptional activation and TNF-α production with IC50s of 11 and 7 nM, respectively. QNZ (EVP4593) is a neuroprotective inhibitor of SOC channel. Uses: Scientific research. Category: Signaling pathways. Alternative Names: EVP4593. CAS No. 545380-34-5. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-13812. MedChemExpress MCE
QNZ (EVP4593) QNZ (EVP4593) shows potent inhibitory activity toward both NF-κB activation and TNF-α production with IC50 of 11 nM and 7 nM in Jurkat T cells, respectively. Group: Inhibitors. CAS No. 545380-34-5. Pack Sizes: 5mg. Product ID: S4902. Formula: C22H20N4O. Smiles: C1=CC=C(C=C1)OC2=CC=C(C=C2)CCNC3=NC=NC4=C3C=C(C=C4)N. Storage Conditions: 2 years -80 in solvent. Selleck Chemicals
United States; Europe
QO 58 QO 58 is a potent modulator of K(V)7 channels. QO-58 increases the current amplitudes, shifts the voltage-dependent activation curve in a more negative direction and slows the deactivation of K(V)7.2/K(V)7.3 currents. QO-58 has the potential for the research of diseases associated with neuronal hyperexcitability[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 1259536-62-3. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-110162. MedChemExpress MCE
QP5 QP5 is an Amelogenin (HY-P71627)-derived peptide. QP5 binds to hydroxyapatite and demineralized enamel surfaces, temporarily stabilizes amorphous calcium phosphate (ACP), and regulates the crystallization of hydroxyapatite. QP5 promotes remineralization of artificial enamel caries in vitro, and acts synergistically with fluoride to enhance enamel caries remineralization. QP5 can be used in studies related to enamel caries and early enamel caries[1][2]. Uses: Scientific research. Category: Signaling pathways. CAS No. 1501983-51-2. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P11111. MedChemExpress MCE
QP5038 QP5038 (compound 28) is an inhibitor of QPCTL with an IC50 value of 3.8?nM. QP5038 has antitumor efficacy[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 3031429-88-3. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-161078. 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. Alternative Names: 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. Grades: ≥95%. CAS No. 1361235-89-3. Molecular formula: C31H49N13O14. Mole weight: 827.81. BOC Sciences 10
QPX7728-OH disodium QPX7728-OH disodium is an inhibitor of boronic acid β-lactamase. QPX7728-OH disodium inhibits cleavage of Nitrocefin by purified class A, C and D enzymes, with Kis less than 0.1 μΜ. Grades: 99%. CAS No. 2170848-99-2. Molecular formula: C10H6BFNa2O5. Mole weight: 281.94. BOC Sciences 4
QS11 QS11 is an inhibitor of ARFGAP1 (ADP-ribosylation factor GTPase-activating protein 1), with an EC50 of 1.5 μM. QS11 activates Wnt/β-catenin signaling through an effect on protein trafficking. QS11 inhibits migration of ARFGAP overexpressing breast cancer cells[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 944328-88-5. Pack Sizes: 10 mM * 1 mL in DMSO; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-12762. MedChemExpress MCE
QS-17 QS-17 is a quillaja saponaria (QS) vaccine adjuvant. Molecular formula: C104H168O55. Mole weight: 2298.43. BOC Sciences 4
QS-18 QS-18, a quillaja saponaria (QS) vaccine adjuvant, is the most abundant saponin in the extract of the QS Molina tree bark. Molecular formula: C98H158O51. Mole weight: 2152.29. BOC Sciences 4
QS-21 QS-21 is a natural triterpenoid saponin extracted from the soap bark tree. It has the potential use as an immunologic adjuvant in vaccine to enhance their efficacy. Alternative Names: Saponin QA 21V1; QS-21. Grades: 90%. CAS No. 141256-04-4. Molecular formula: C92H148O46. Mole weight: 1990.13. BOC Sciences 4
QS-21-Api QS-21-Api, an immunostimulatory saponin, could be used as a potent vaccine adjuvant. QS-21-Api stimulates Th2 humoral and Th1 cell-mediated immune responses through action on antigen presenting cells (APCs) and T cells. QS-21-Api can activate the NLRP3 inflammasome with subsequent release of caspase-1 dependent cytokines, IL-1β and IL-18[1][2][3]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: Stimulon. CAS No. 141256-04-4. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-101092. MedChemExpress MCE
QS-21-Xyl QS-21-Xyl is a active component of QS-21 (HY-101092A). QS-21 is a natural vaccine adjuvant and induces a balanced Th1/Th2 immune response, particularly cellular immunity[2]. Uses: Scientific research. Category: Signaling pathways. CAS No. 250643-56-2. Pack Sizes: 1 mg. Product ID: HY-101092B. MedChemExpress MCE
QS-4 QS-4 is an exemplary Hsp90 inhibitor, unlocking a plethora of opportunities in the cancer research. This remarkable tentity, heralded for its profound impact on impeding cancer cell propagation and prolonging viabilities, presents a novel cornerstone that spearheads the arduous research against drug-resistant malignancies. Alternative Names: 6-(3-carboxypropyl)-2,3-diMethoxy-5-Methyl-1,4-benzoquinone. Grades: > 95%. CAS No. 58186-01-9. Molecular formula: C13H16O6. Mole weight: 268.27. BOC Sciences 4
QS 7 QS 7. CAS No. 208933-54-4. BOC Sciences 12
QS-7 QS-7 is a QS (Quillaja saponaria)-17/18-Based vaccine adjuvant. Alternative Names: QS-17/18 analogue 7. Molecular formula: C87H144NO40. Mole weight: 1844.05. BOC Sciences 4
QTX125 TFA QTX125 TFA is a potent and highly selective HDAC6 inhibitor. QTX125 TFA exhibits excellent selectivity over other HDACs. QTX125 has antitumor effects[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2989537-78-0. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-120448A. 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. Category: Signaling pathways. CAS No. 2883232-39-9. Pack Sizes: 10 mM * 1 mL in DMSO; 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 IC50 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. Category: Signaling pathways. Alternative Names: OPC-167832. CAS No. 1883747-71-4. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-134940. MedChemExpress MCE
Quadrilineatin It is originally isolated from Asp. quadrilineatus NRRL 521, NRRL 201, SM 200, SM-297, GA317. Quadrilineatin has antifungal and bacterial effects. Alternative Names: 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 11
Quadrone It is an unusual sesquiterpene metabolite isolated from aspergillus terreus. It exhibits antitumor activity. Alternative Names: (-)-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. Grades: >98% by HPLC. CAS No. 66550-08-1. Molecular formula: C15H20O3. Mole weight: 248.32. BOC Sciences
Quadrosilan Quadrosilan. 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. Purity: 96%. Product ID: ACM33204761. Molecular formula: C18H28O4Si4. Mole weight: 420.759. IUPAC Name: 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. ECNumber: 251-406-1. Alfa Chemistry - ISO 9001:32057 Certified. Alfa Chemistry.
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 13
Worldwide
Quantum Dots Quantum Dots. Alfa Chemistry Materials 7
Quantum dots for LED Quantum dots for LED. Purity: Water. Alfa Chemistry Materials 2
Quantum dot surface modification antibody Quantum dot surface modification antibody. Alfa Chemistry Materials 2
Quantum dot surface modification drug small molecule Quantum dot surface modification drug small molecule. Purity: Water. Alfa Chemistry Materials 2
Quarfloxin Quarfloxin, also known as Quarfloxacin and CX-3543, is a fluoroquinolone derivative with antineoplastic activity. Quarfloxin disrupts the interaction between the nucleolin protein and a G-quadruplex DNA structure in the ribosomal DNA (rDNA) template, a critical interaction for rRNA biogenesis that is overexpressed in cancer cells. Disruption of this G-quadruplex DNA:protein interaction in aberrant rRNA biogenesis may result in the inhibition of ribosome synthesis and tumor cell apoptosis. Alternative Names: 3H-Benzo[b]pyrido[3,2,1-kl]phenoxazine-2-carboxamide, 5-fluoro-N-[2-[(2S)-1-methyl-2-pyrrolidinyl]ethyl]-3-oxo-6-[3-(2-pyrazinyl)-1-pyrrolidinyl]-; 3H-Benzo[b]pyrido[3,2,1-kl]phenoxazine-2-carboxamide, 5-fluoro-N-[2-[(2S)-1-methyl-2-pyrrolidinyl]ethyl]-3-oxo-6-(3-pyrazinyl-1-pyrrolidinyl)-; 5-Fluoro-N-[2-[(2S)-1-methyl-2-pyrrolidinyl]ethyl]-3-oxo-6-[3-(2-pyrazinyl)-1-pyrrolidinyl]-3H-benzo[b]pyrido[3,2,1-kl]phenoxazine-2-carboxamide; CX 3543; Itarnafloxin; Quarfloxacin. Grades: >98%. CAS No. 865311-47-3. Molecular formula: C35H33FN6O3. Mole weight: 604.69. BOC Sciences 12
Quarfloxin Quarfloxin (CX-3543), a fluoroquinolone derivative with antineoplastic activity, targets and inhibits RNA pol I activity, with IC50 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. Category: Signaling pathways. Alternative Names: CX-3543. CAS No. 865311-47-3. Pack Sizes: 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. CAS No. 921619-91-2. Molecular formula: C28H18O8. Mole weight: 482.4g/mol. IUPAC Name: 5-[4-[4-(3,5-dicarboxyphenyl)phenyl]phenyl]benzene-1,3-dicarboxylic acid. InChI: 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). Alfa Chemistry Materials 2
Quartz Glass Slides Substrate Quartz Glass Slides Substrate. Purity: > 99.99 %. Alfa Chemistry Materials 7
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. Alfa Chemistry Materials 3
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. Alfa Chemistry Materials 3
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. Alfa Chemistry Materials 3
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.]. Molecular formula: (SiO2)n;SiO2;SiO2;SiO2;SiO2;SiO2;O2Si. Mole weight: 60.084g/mol. IUPAC Name: dioxosilane. SMILES: O=[Si]=O. InChI: InChI=1S/O2Si/c1-3-2. Alfa Chemistry Materials 3
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. Alfa Chemistry Materials 3
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. Alfa Chemistry Materials 3
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. Grades: 95%. CAS No. 1032678-27-5. Molecular formula: C45H65F6N5O2P2. Mole weight: 883.99. BOC Sciences 5
Quasar570 Phosphoramidite Quasar570 Phosphoramidite, a paramount polymerase chain reaction (PCR) enhancer, accelerates oligonucleotide synthesis, thereby enabling state-of-the-art biomedical investigations. It serves as a fluorescent probe, augmenting the accuracy of DNA sequencing and gene expression analysis. Its exceptional sensitivity and selectivity provide insightful resolutions of molecular maladies, including cancer and genetic disorders. Alternative Names: Quasar 570 CE Phosphoramidite; Quasar 570 Phosphoramidite. Grades: >92% by HPLC. CAS No. 2983799-03-5. Molecular formula: C46H67F6N5O3P2. Mole weight: 914.01. BOC Sciences 7
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. Alternative Names: 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). Grades: 95%. CAS No. 1032678-33-3. Molecular formula: C47H67F6N5O2P2. Mole weight: 910.02. BOC Sciences 5
Quasar670 Phosphoramidite Quasar670 Phosphoramidite is a cyanine-based fluorescent phosphoramidite derivative designed for site-specific incorporation of the Quasar 670 dye into oligonucleotides during solid-phase synthesis. With an emission maximum at 670 nm, it serves as a cost-effective alternative to Cy5, enabling applications in multiplex qPCR, fluorescence in situ hybridization (FISH), and molecular diagnostics. Alternative Names: Quasar 670 Phosphoramidite; Quasar 670 CE Phosphoramidite. Grades: >92% by HPLC. Molecular formula: C48H69F6N5O3P2. Mole weight: 940.05. BOC Sciences 7
Quassia amara, ext. Quassia amara, ext. Grades: 95%. CAS No. 84604-10-4. BOC Sciences 4
Quassia Bark Powder Quassia Bark Powder. Pharma Resources International LLC
CA, FL & NJ
Quassia extract Quassia extract is obtained from the branches and leaves of Picrasma quassioides (D. Don) Benn. It has the effects of clearing away heat, removing dampness, and detoxification. Alternative Names: QUASSIA WOOD FLUID EXTRACT; Quassia, ext.; Quassia axtract. Grades: 10:1. CAS No. 68915-32-2. BOC Sciences 4
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. Alternative Names: Picrasa-2,12-diene-1,11,16-trione, 2,12-dimethoxy-. Grades: >96%. CAS No. 76-78-8. Molecular formula: C22H28O6. Mole weight: 388.5. BOC Sciences
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 13
Worldwide
QUAT 188 (PTAC) QUAT 188 (PTAC). We stock inventory in warehouses throughout the United States, allowing us to serve customers in all regions in a timely and cost effective manner. Neuchem
US and Canada

Would you like to list your products on USA Chemical Suppliers?

Our database is helping our users find suppliers everyday.

Add Your Products