A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
6,7-Dimethoxyquinazoline-4-one is an impurity of Gefitinib, which is an EGFR inhibitor used for the treatment of certain breast, lung and other cancers. Synonyms: Gefitinib Impurity; 4(3H)-Quinazolinone, 6,7-dimethoxy-; 4(1H)-Quinazolinone, 6,7-dimethoxy-; 6,7-Dimethoxy-4(3H)-quinazolinone; 6,7-Dimethoxy-3,4-dihydroquinazolin-4-one; 6,7-Dimethoxy-4-oxo-3,4-dihydroquinazoline; 6,7-Dimethoxy-4-quinazolone; 6,7-Dimethoxyquinazoline-4(3H)-one. Grade: ≥95%. CAS No. 13794-72-4. Molecular formula: C10H10N2O3. Mole weight: 206.20.
6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride is a synthetic reduced pterin cofactor for nitric oxide synthetase, and for phenylalanine, tyrosine, and tryptophan hydroxylases; less active than the natural cofactor, tetrahydrobiopterin (BH4). Applications: A synthetic reduced pterin cofactor. Group: Coenzymes. Synonyms: DMPH4; 2-Amino-6,7-dimethyl-4-hydroxy-5,6,7,8-tetrahydropteridine. CAS No. 945-43-7. Purity: ≥95%. Mole weight: 231.68. Appearance: Powder. Form: Solid. DMPH4; 2-Amino-6,7-dimethyl-4-hydroxy-5,6,7,8-tetrahydropteridine; 6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride; 945-43-7. Cat No: COEC-094.
6,7-dimethyl-8-ribityllumazine synthase
Involved in riboflavin biosynthesis. Group: Enzymes. Synonyms: lumazine synthase; 6,7-dimethyl-8-ribityllumazine synthase 2; 6,7-dimethyl-8-ribityllumazine synthase 1; lumazine synthase 2; lumazine synthase 1; type I lumazine synthase; type II lumazine synthase; RIB4; MJ0303; RibH; Pbls; MbtLS; RibH1 protein; RibH2 protein; RibH1; RibH2. Enzyme Commission Number: EC 2.5.1.78. 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-2816; 6,7-dimethyl-8-ribityllumazine synthase; EC 2.5.1.78; lumazine synthase; 6,7-dimethyl-8-ribityllumazine synthase 2; 6,7-dimethyl-8-ribityllumazine synthase 1; lumazine synthase 2; lumazine synthase 1; type I lumazine synthase; type II lumazine synthase; RIB4; MJ0303; RibH; Pbls; MbtLS; RibH1 protein; RibH2 protein; RibH1; RibH2. Cat No: EXWM-2816.
6,7-DIMETHYLCHROMONE-2-CARBOXYLIC ACID
6,7-DIMETHYLCHROMONE-2-CARBOXYLIC ACID. Alternative Names: 6,7-DIMETHYLCHROMONE-2-CARBOXYLIC ACID. CAS No. 162210-24-4. Product ID: ACM162210244. Alfa Chemistry - ISO 9001:32057 Certified.
6,7-Dimethyltetrahydropterin is a non-competitive inhibitor of GTP cyclohydrolase I exhibiting an IC50 of 76-112 μM. Synonyms: 2-Amino-6,7-dimethyl-5,6,7,8-tetrahydropteridin-4-ol hydrochloride. Grade: ≥99%. CAS No. 167423-51-0. Molecular formula: C8H13N5O·HCl. Mole weight: 231.7.
6,7-Dimethyltetrahydropterin(hydrochloride)
6,7-Dimethyltetrahydropterin(hydrochloride). Alternative Names: 6,7-DIMETHYLTETRAHYDROPTERIN HYDROCHLORIDE;2-AMINO-5,6,7,8-TETRAHYDRO-CIS-6,7-DIMETHYL-4(1H)-PTERIDINONE HYDROCHLORIDE;TIMTEC-BB SBB003270. CAS No. 167423-51-0. Product ID: ACM167423510. Molecular formula: C8H13N5O.HCl. Mole weight: 231.68. Alfa Chemistry - ISO 9001:32057 Certified.
6,7-Dinitroquinoxaline-2,3-dione
6,7-Dinitroquinoxaline-2,3-dione. Group: Biochemicals. Alternative Names: 6,7-Dinitro-2,3-dihydroxyquinoxaline; 6,7-Dinitroquinoxaline-2,3-(1H,4H)-dione; DNQX. Grades: Highly Purified. CAS No. 2379-57-9. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C8H4N4O6. US Biological Life Sciences.
Worldwide
6,7-Dinitroquinoxaline-2,3-dione (DNQX)
Potent competitive non-NMDA glutamate receptor antagonist. Group: Biochemicals. Alternative Names: DNQX. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
6',7'-Epoxybergamottin
6'7'-Epoxybergamottin is a furanocoumarin found in grapefruit. It is a potent inhibitor of the cytochrome P450 (CYP) isoform CYP3A4 with an IC50 value of 0.30 ppm in a cell-free assay, 0.33 μM in HL7 human liver cells, and 0.22 μM in S9 human intestine cells. Synonyms: Epoxybergamottin; 4-[(E)-5-(3,3-dimethyloxiran-2-yl)-3-methylpent-2-enoxy]furo[3,2-g]chromen-7-one. Grade: ≥98%. CAS No. 206978-14-5. Molecular formula: C21H22O5. Mole weight: 354.4.
6,7-Epoxy docetaxel
6,7-Epoxy docetaxel is a derivative of Docetaxel, which is a semisynthetic derivative of Paclitaxel used to treat a variety of cancers, including breast, head and neck, stomach, prostate, and non-small cell lung cancer. Uses: A taxane derivative modified at 6 and 7 positions for use as antitumor agent. Synonyms: (2α,5β,10β,13α)-4-Acetoxy-1,10-dihydroxy-13-{[(2R,3S)-2-hydroxy-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)-3-phenylpropanoyl]oxy}-9-oxo-5,20:6,7-diepoxytax-11-en-2-yl benzoate; Benzenepropanoic acid, β-[[(1,1-dimethylethoxy)carbonyl]amino]-α-hydroxy-, (1bR,3aS,3bR,4S,5S,7S,10R,11aS)-3a-(acetyloxy)-4-(benzoyloxy)-1a,1b,3a,3b,4,5,6,7,10,11,11a,11b-dodecahydro-5,10-dihydroxy-8,11a,12,12-tetramethyl-11-oxo-5,9-methano-3H-cyclodec[d]oxireno[f][1]benzoxet-7-yl ester, (αR,βS)-. Grade: ≥90%. CAS No. 181208-36-6. Molecular formula: C43H51NO14. Mole weight: 805.86.
It is an excellent fluorogenic substrate for matrix metalloproteinase stromelysin (MMP-3) hydrolysis. The FRET substrate shows high sensitivity and improves accuracy at a lower substrate turnover. It has a kcat/Km value of 2.14·104 M-1s-1 and can be easily detected at 350 nm (excitation) and 465 nm (emission). Therefore, it is a suitable tool for high-throughput inhibitor screening. Synonyms: NBD-ε-aminocaproyl-Arg-Pro-Lys-Pro-Leu-Ala-Nva-Trp-Lys(DMACA)-NH2; L-Lysinamide, N2-[6-[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]-1-oxohexyl]-L-arginyl-L-prolyl-L-lysyl-L-prolyl-L-leucyl-L-alanyl-L-norvalyl-L-tryptophyl-N6-[2-[7-(dimethylamino)-2-oxo-2H-1-benzopyran-4-yl]acetyl]-; NBD-Arg-Pro-Lys-Pro-Leu-Ala-Nva-Trp-Lys(DMC)-NH2; N2-{6-[(7-Nitro-2,1,3-benzoxadiazol-4-yl)amino]hexanoyl}-L-arginyl-L-prolyl-L-lysyl-L-prolyl-L-leucyl-L-alanyl-L-norvalyl-L-tryptophyl-N6-{[7-(dimethylamino)-2-oxo-2H-chromen-4-yl]acetyl}-L-lysinamide. Grade: ≥95%. CAS No. 945414-97-1. Molecular formula: C78H111N21O16. Mole weight: 1598.87.
6-[[7-(N,N-Dimethylaminosulfonyl)-2,1,3-benzoxadiazol-4-yl]amino]hexanoic Acid. Uses: For analytical and research use. Alternative Names: 4-(5-Carboxypentylamino)-7-(N,N-dimethylaminosulfonyl)-2,1,3-benzoxadiazole. CAS No. 1820741-40-9. Molecular formula: C14H20N4O5S. Mole weight: 356.40. Purity: >98.0%(T)(HPLC). Catalog: APB1820741409.
6,7-O-Isopropylidenepseudomonic Acid A
6,7-O-Isopropylidenepseudomonic acid A is an intermediate in the synthesis of Mupirocin, which is a t-RNA synthetase inhibitor used in the treatment of bacterial skin infections. Synonyms: 9-(((E)-4-((3aS,4S,7S,7aR)-7-(((2S,3S)-3-((2S,3S)-3-Hydroxybutan-2-yl)oxiran-2-yl)methyl)-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl)-3-methylbut-2-enoyl)oxy)nonanoic Acid; 9-({(2E)-4-[(3aS,4S,7S,7aR)-7-({(2S,3S)-3-[(2S,3S)-3-Hydroxy-2-butanyl]-2-oxiranyl}methyl)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-4-yl]-3-methyl-2-butenoyl}oxy)nonanoic acid; L-talo-Non-2-enonic acid, 5,9-anhydro-2,3,4,8-tetradeoxy-8-[[3-(2-hydroxy-1-methylpropyl)oxiranyl]methyl]-3-methyl-6,7-O-(1-methylethylidene)-, 8-carboxyoctyl ester, [2E,8[2S,3S(1S,2S)]]-. CAS No. 85362-54-5. Molecular formula: C29H48O9. Mole weight: 540.68.
6,7-Piperazine Pixantrone
6,7-Piperazine Pixantrone is a derivative of Pixantrone, which is a synthetic and noncardiotoxic aza-anthracenedione analogue with potential antineoplastic activity. Synonyms: PSQ-IM-B; Isoquino[6,7-f]quinoxaline-7,12-dione, 6-[(2-aminoethyl)amino]-1,2,3,4-tetrahydro-; Pixantrone maleate-003. Grade: ≥95%. CAS No. 1430561-06-0. Molecular formula: C17H17N5O2. Mole weight: 323.35.
680C91
680C91. Group: Biochemicals. Grades: Highly Purified. CAS No. 163239-22-3. Pack Sizes: 5mg, 25mg. US Biological Life Sciences.
Worldwide
680C91
680C91 is a potent and selective inhibitor of TDO (Ki = 51 nM). Synonyms: (E)-3-(2-(1H-TETRAZOL-5-YL)VINYL)-6-FLUORO-1H-INDOLE. Grade: > 98%. CAS No. 163239-22-3. Molecular formula: C15H11FN2. Mole weight: 238.26.
680C91
680C91 is an orally active, selective tryptophan 2,3-dioxygenase (TDO) inhibitor with a Ki of 51 nM. TDO is the key enzyme of tryptophan catabolism. 680C91 can be used for the research of cancer immunotherapy and Alzheimers Disease[1][2][3][4]. Uses: Scientific research. Category: Signaling pathways. CAS No. 163239-22-3. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-108681.
6,8-Dibromo-1,2,3,4-tetrahydro-3-methyl-quinazoline is a metabolite found in the urine of Bromhexine (B678600) treated horses. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
6,8-Dibromo-[1,2,4]triazolo[1,5-a]pyrazine
6,8-Dibromo-[1,2,4]triazolo[1,5-a]pyrazine. Group: Biochemicals. Grades: Highly Purified. CAS No. 944709-42-6. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C5H2Br2N4. US Biological Life Sciences.
Worldwide
6,8-Dibromo-[1,2,4]triazolo[1,5-a]pyridine
6,8-Dibromo-[1,2,4]triazolo[1,5-a]pyridine. Group: Biochemicals. Grades: Highly Purified. CAS No. 1310680-10-4. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C6H3Br2N3. US Biological Life Sciences.
6,8-Difluoro-4-methylumbelliferyl 2-acetamido-3-O-(β-D-galactopyranosyl)-α-D-galactopyranoside is an indispensable biomedical specimen employed in the comprehensive exploration of lysosomal enzyme deficiencies. This remarkable compound effectively serves as a paramount substrate, facilitating not only the precise detection but also the meticulous quantification of prominent enzymes such as β-galactosidase within biological specimens. Synonyms: 6,8-Difluoro-4-methylumbelliferyl 2-acetamido-3-O-(b-D-galactopyranosyl)-2-deoxy-a-D-galactopyranoside. Molecular formula: C24H29F2NO13. Mole weight: 577.49.
6,8-Difluoro-4-methylumbelliferyl b-D-cellotetraoside is a compound used for studying cellulase enzymes involved in the degradation of cellulose, a key component of plant cell walls. It acts as a substrate, releasing a fluorogenic compound upon enzymatic cleavage, enabling analysis of cellulase activity. It aids in understanding cellulose metabolism and can be used in various research and diagnostic applications related to cellulosic materials and cellulose-degrading enzymes. Molecular formula: C34H46F2O23. Mole weight: 860.71.
6,8-Difluoro-4-methylumbelliferyl b-D-galactopyranoside is a biochemical compound widely utilized in the biomedical industry for detecting the activity of the enzyme β-galactosidase. This fluorescent substrate is particularly valuable for studying the expression, localization and function of this enzyme in various biological systems aiding in the investigation of genetic disorders, cell signaling pathways and developmental biology. Synonyms: 6,8-Difluoro-4-methyl-7-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-2H-chromen-2-one; 6,8-Difluoro-4-methyl-2-oxo-2H-1-benzopyran-7-yl beta-D-galactopyranoside; 6,8-Difluoro-7-(β-D-galactopyranosyloxy)-4-methyl-2H-1-benzopyran-2-one; 6,8-Difluoro-4-methylumbelliferyl β-D-galactopyranoside. CAS No. 215868-26-1. Molecular formula: C16H16F2O8. Mole weight: 374.29.
6,8-Difluoro-4-methylumbelliferyl b-D-glucopyranoside is a vital tool used in the biomedical industry. It acts as a fluorescent substrate, commonly employed to detect and measure the activity of glucosidases. This substrate finds applications in research related to various diseases, such as Gaucher's disease, Pompe disease, and other lysosomal storage disorders. Synonyms: 6,8-Difluoro-7-(β-D-glucopyranosyloxy)-4-methyl-2H-1-benzopyran-2-one; 6,8-Difluoro-4-methyl-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-2H-chromen-2-one; 6,8-Difluoro-4-methylumbelliferyl-β-D-glucopyranoside; 6,8-Difluoro-4-methyl-2-oxo-2H-1-benzopyran-7-yl β-D-glucopyranoside. CAS No. 351009-26-2. Molecular formula: C16H16F2O8. Mole weight: 374.29.
6,8-Difluoro-4-methylumbelliferyl b-D-glucuronide
6,8-Difluoro-4-methylumbelliferyl b-D-glucuronide is a vital recompound widely used in the biomedical industry for detecting glucuronidase activity. It serves as a highly sensitive substrate that reacting with the enzyme to produce a fluorescent signal. This compound enables the analysis of glucuronidase activity in various biological samples aiding in the research of diseases related to drug metabolism, liver function and lysosomal storage disorders. Synonyms: 6,8-Difluoro-4-methyl-2-oxo-2H-1-benzopyran-7-yl β-D-glucopyranosiduronic acid; (2S,3S,4S,5R,6S)-6-((6,8-difluoro-4-methyl-2-oxo-2H-chromen-7-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid. CAS No. 215868-36-3. Molecular formula: C16H14F2O9. Mole weight: 388.27.
Moxifloxacin Impurity B. Group: Biochemicals. Alternative Names: 1-Cyclopropyl-1,4-dihydro-6,8-dimethoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic Acid. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.