A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
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. Synonyms: 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.
Q94 hydrochloride
Q94 hydrochloride. Group: Biochemicals. Grades: Purified. CAS No. 1052076-77-3. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
Q94 hydrochloride
Q94 is a PAR1 negative allosteric modulator that suppresses PAR1-Gαq interaction. Synonyms: 1-[(4-Chlorophenyl)methyl]-2-(phenylmethyl)-1H-benzimidazole hydrochloride; 2-benzyl-1-(4-chlorobenzyl)-1H-benzo[d]imidazole hydrochloride. Grades: ≥99% by HPLC. CAS No. 1052076-77-3. Molecular formula: C21H17ClN2·HCl. Mole weight: 369.29.
QAQ dichloride
QAQ, a photoisomerizable molecule, is a photoswitchable Nav, Cav and Kv channel blocker, blocking channels in the trans form. It switches conformation from cis to trans at 500 nm and trans to cis at 380 nm. QAQ enables reversible optical silencing of mouse nociceptive neuron firing without exogenous gene expression and can serve as a light-sensitive analgesic in rats in vivo. Moreover, because intracellular QAQ accumulation is a consequence of nociceptive ion channel activity, QAQ-mediated photosensitization provides a new platform for understanding signaling mechanisms in acute and chronic pain. Synonyms: 2,2'-[1,2-Diazenediylbis(4,1-phenyleneimino)bis[N,N,N-triethyl-2-oxo-ethanaminium] dichloride. Grades: ≥98% by HPLC. Molecular formula: C28H44Cl2N6O2. Mole weight: 567.59.
QC
Qc 1
Qc 1. Group: Biochemicals. Grades: Purified. CAS No. 403718-45-6. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
Qc 1
Qc 1 is a reversible, non-competitive inhibitor of threonine dehydrogenase (TDH) (IC50 ~500 nM), with no detectable inhibition of other dehydroxygenase enzymes at concentrations up to 10 mM. It induces autophagy and inhibits cell proliferation in mouse embryonic stem (ES) cells. Synonyms: Qc1; Qc-1; Qc 1; 1,2,3,4-Tetrahydro-4-oxo-N-(phenylmethyl)-2-thioxo-3-[3-(trifluoromethyl)phenyl]-7-quinazolinecarboxamide; Qc1; Qc-1; Qc 1. Grades: ≥98% by HPLC. CAS No. 403718-45-6. Molecular formula: C23H16F3N3O2S. Mole weight: 455.45.
QC-3611
QC-3611 is a selective inhibitor of JARID1A/1B, which is a target existing in various tumors (JARID1A IC50 = 13 nM ;JARID1B IC50 = 2 nM). QC-3611 is promisingly to be used as an antineoplastic drug. Uses: Potential antineoplastic drug. Synonyms: QC 3611; QC3611. CAS No. 1613410-75-5. Molecular formula: C17H14ClN3O3. Mole weight: 343.76.
Q-Dextran
Q-Dextran. Group: Natural polymers and biopolymers.
QF0301B
QF0301B is an α1 adrenergic receptor antagonist and shows noncompetitive low action in 5-HT3, muscarinic and nicotinic receptors, or as Ca2+ antagonist. Synonyms: 3,4-Dihydro-2-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-1(2H)-naphthalenone. CAS No. 149247-12-1. Molecular formula: C23H28N2O2. Mole weight: 364.48.
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.
Worldwide
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.
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.
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.
Worldwide
QL47
QL47 is a potent and selective BTK inhibitor, which covalently modifies Cys481. QL47 inhibits BTK kinase activity with an IC50 of 7 nM, inhibits autophosphorylation of BTK on Tyr223 in cells with an EC50 of 475 nM and inhibits phosphorylation of a downstream effector PLCγ2 (Tyr759) with an EC50 of 318 nM. In Ramos cells QL47 induces a G1 cell cycle arrest which is associated with pronounced degradation of BTK protein. QL47 inhibits the proliferation of B-cell lymphoma cancer cell lines at submicromolar concentrations. Synonyms: QL47; QL 47; QL47. QL-XII-47. Grades: 0.98. CAS No. 1469988-75-7. Molecular formula: C27H21N5O2. Mole weight: 447.48794.
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. Grades: ≥95%. CAS No. 159646-83-0. Molecular formula: C52H74N10O14. Mole weight: 1063.21.
QL-IX-55
The functional target of QL-IX-55 is the ATP-binding site of TOR2 as evidenced by the discovery of resistant alleles of TOR2 through rational design and unbiased selection strategies. QL-IX-55 is capable of potently inhibiting both TOR complex 1 and 2 (TORC1 and TORC2) as demonstrated by biochem. IP kinase assays (IC50 <50 nM) and cellular assays for inhibition of substrate YPK1 phosphorylation. In contrast to rapamycin, QL-IX-55 is capable of inhibiting TORC2-dependent transcription, which suggests that this compd. will be a powerful probe to dissect the Tor2/TORC2-related signaling pathway in yeast. Synonyms: QL-IX-55. Grades:>98%. CAS No. 1223002-54-7. Molecular formula: C24H14F4N4O. Mole weight: 450.39.
QNZ
QNZ (EVP4593) shows potent inhibitory activity toward both NF-κB activation and TNF-α production with IC50 of 11 nM and 7 nM, respectively. Synonyms: CAY10470; CAY-10470; CAY 10470; QNZ; EVP4593; EVP 4593; EVP-4593. Grades: >98%. CAS No. 545380-34-5. Molecular formula: C22H20N4O. Mole weight: 356.42.
QNZ46
QNZ46, a NMDA receptor antagonist, has been studied to have potential effect in some neurological diseases for it works by influencing some amino acids combinated to corresponding receptors abnormally. IC50: 3 μM (for NR2D), 6 μM (for NR2C) and 229 μM (fo. Uses: Qnz46 is a nmda receptor antagonist that has been studied to have potential effect in some neurological diseases for it works by influencing some amino acids combinated to corresponding receptors abnormally. Synonyms: QNZ46; QNZ-46; QNZ 46; 1237744-13-6; CHEMBL1215292; C24H17N3O6; (E)-4-(6-Methoxy-2-(3-nitrostyryl)-4-oxoquinazolin-3(4H)-yl)benzoic acid. Grades: 98%. CAS No. 1237744-13-6. Molecular formula: C24H17N3O6. Mole weight: 443.41.
QO 58
QO 58 is a Kv7 channel opener (EC50= 0.6, 1.0, 5.2 and 7.0 μM for Kv7.4, Kv7.2, Kv7.3/7.5 and Kv7.1, respectively). QO-58 showed antinociceptive effects for OA pain in the MIA model after pain development. QO-58 may be an alternative therapeutic treatment for OA. Synonyms: QO-58; QO 58;QO58. 5-(2,6-Dichloro-5-fluoro-3-pyridinyl)-3-phenyl-2-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidin-7(4H)-one. Grades: ≥98% by HPLC. CAS No. 1259536-62-3. Molecular formula: C18H8Cl2F4N4O. Mole weight: 443.18.
qone
qone two three four five Test Productum 1 [(<:,&,:>)]
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. Grades: ≥95%. CAS No. 1361235-89-3. Molecular formula: C31H49N13O14. Mole weight: 827.81.
QS11
QS11 contains a planar purine ring with C2, C6, and N9-positions substituted. QS11, a GTPase activating protein of ADP-ribosylation factor 1 (ARFGAP1) inhibitor, ) was demonstrated to synergize with Wnt proteins to activate b-catenin signaling. Synonyms: (2S)-2-[[2-(2,3-dihydro-1H-inden-5-yloxy)-9-[(4-phenylphenyl)methyl]purin-6-yl]amino]-3-phenylpropan-1-ol; QS 11; QS-11; QS 11 (QS11,BML-WN117); (2S)-2-{[9-(4-Biphenylylmethyl)-2-(2,3-dihydro-1H-inden-5-yloxy)-9H-purin-6-yl]amino}-3-phenyl-1-propanol; J-501013. Grades: >98%. CAS No. 944328-88-5. Molecular formula: C36H33N5O2. Mole weight: 567.68.
QS 11
QS 11. Group: Biochemicals. Grades: Purified. CAS No. 944328-88-5. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
QS-1189
QS-1189 is a reversible, high selective, orally available cyclin-dependent kinase 7 (CDK7) inhibitor developed for cancer therapy. QS-1189 exhibits antitumor activity via modulation of transcription and cell cycle. Uses: Antitumor agent. Synonyms: QS-1189; QS 1189; QS1189.
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.
Worldwide
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. Synonyms: Saponin QA 21V1; QS-21. Grades: 90%. CAS No. 141256-04-4. Molecular formula: C92H148O46. Mole weight: 1990.13.
Qstatin is a potent and selective Vibrio QS inhibitor with an EC50 of 208.9 nM. Synonyms: 1-((5-Bromothiophen-2-Yl)Sulfonyl)-1H-Pyrazole; 1-(5-Bromothiophene-2-Sulfonyl)-1h-Pyrazole; MLS000044947; Q-Statin; Q Statin. Grades: 98%. CAS No. 902688-24-8. Molecular formula: C7H5BrN2O2S2. Mole weight: 293.2.
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.
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. Grades: >98% by HPLC. CAS No. 66550-08-1. Molecular formula: C15H20O3. Mole weight: 248.32.
quality White widow with online tracking number
Heterocyclic Organic Compound. CAS No. Catalog: ACM1236912.
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.
Worldwide
Quantum Dots
Quantum Dots. Group: other quantum dots.
Quantum dots for LED
Quantum dots for LED. Group: Quantum dots for led. Water.
Quantum dot surface modification drug small molecule
Quantum dot surface modification drug small molecule. Group: Graphene quantum dots. Water.
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. Synonyms: 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.
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.
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.
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.
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.
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.
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.
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.
Quassar570 CE Phosphoramidite
Quassar570 CE 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. Grades: >92% by HPLC. Molecular formula: C46H67F6N5O3P2. Mole weight: 914.01.
Quassar670 CE Phosphoramidite
Quassar670 CE Phosphoramidite is a pioneering element extensively applied in the biomedical field, serving as an irreplaceable fluorescent tracer for discerning DNA or RNA sequencing and compound synthesis. Grades: >92% by HPLC. Molecular formula: C48H69F6N5O3P2. Mole weight: 940.05.
Quassia Bark Powder
Quassia Bark Powder.
CA, FL & NJ
Quassia Vinegar
This mixture is a natural alternative to fight head lice. Quassia Amara is a natural insect repellent and inhibitor of the chitin synthesis (during larval change preventing reproduction). The vinegar component prevents nits from attaching to the hair shaft and the removal of already attached ones by dissolving their chitin envelopes. Uses: Head lice solutions. Group: Hair actives. CAS No. 532-32-1 / 24634-61-5 / 590-00-1 / 9005-65-6 / 85251-63-4 / 89957-48-2 / 84012-34-0 / 68650-44-2 / 90132-02-8 / 84604-10-4. Catalog: CI-HC-0223.
Quassidine B
Other Alkaloids. Alternative Names: 4,8-Dimethoxy-alpha-9H-pyrido[3,4-b]indol-1-yl-9H-pyrido[3,4-b]indole-1-propanol. CAS No. 1207862-37-0. Mole weight: 452.5. Purity: 95%+. Catalog: ACM1207862370.
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.
Worldwide
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.
Quaternary ammonium compounds
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