A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
BMY-28438 is an antitumor antibiotic produced by Streptomyces tropolofaciens No. K611-97. It has a strong inhibitory effect on B-16 melanoma cells, with an IC50 of 0.04 μg/mL. It has weak anti-bacterial and fungal activity. Synonyms: 2,3,7-trihydroxycyclohepta-2,4,6-trien-1-one; Bmy-28438; BMY-28438. CAS No. 85233-29-0. Molecular formula: C7H6O4. Mole weight: 154.12.
3,7-Dimethyl-1-propargylxanthine. Group: Biochemicals. Alternative Names: DMPX, 3,7-dimethyl-1-(2-propynyl)xanthine; NSC 242985. Grades: Highly Purified. CAS No. 14114-46-6. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C10H10N4O2. US Biological Life Sciences.
Worldwide
3,7-Dimethyl-1-propargylxanthine
3,7-Dimethyl-1-propargylxanthine is a selective A2 adenosine receptor antagonist. It has been shown to be effective in vivo models of Parkinson's disease and has reduced locomotor activity. Synonyms: DMPX; 3,7-Dimethyl-1-(prop-2-yn-1-yl)-1H-purine-2,6(3H,7H)-dione; 3,7-Dimethyl-1-(2-propynyl)xanthine. Grade: 98%. CAS No. 14114-46-6. Molecular formula: C10H10N4O2. Mole weight: 218.21.
A selective A2 adenosine receptor antagonist. Pharmacology: Ki vs [3H]NECA at A2 receptors in rat striatal membranes: 11± 3 uM; Ki vs [3H]CHA at A1 receptors in rat cerebral cortical membranes: 45 ± 4 uM. Group: Biochemicals. Alternative Names: DMPX, 3,7-Dimethyl-1-(2-propynyl)xanthine. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3,7-Dimethyl 2H-furo[2,3-c]pyran-2-one
3,7-Dimethyl 2H-furo[2,3-c]pyran-2-one. Group: Biochemicals. Alternative Names: KAR4. Grades: Highly Purified. CAS No. 857054-06-0. Pack Sizes: 100mg, 250mg. Molecular Formula: C9H8O3. US Biological Life Sciences.
3,7-Dimethyl-benzofuran-2-carboxylic acid. Alternative Names: 3,7-DIMETHYL-BENZOFURAN-2-CARBOXYLIC ACID;ASINEX-REAG BAS 12719308. CAS No. 16817-24-6. Product ID: ACM16817246. Molecular formula: C11H10O3. Mole weight: 190.2. Alfa Chemistry - ISO 9001:32057 Certified.
3,7-Dimethyloctyl bromide
Liquid, d20 1.07. Synonym: 1-Bromo-3,7-dimethyloctane. CAS No. 3383-83-3. Pack Sizes: Typically in stock: 5g, 25g. Mole weight: 221.19. MP/BP: B.P. 116-118/24 mm. Order No: FR-2018.
Frinton Laboratories
3,7-dimethylquercetin 4'-O-methyltransferase
3,7-Dimethylquercetagetin can also act as acceptor. Involved with EC 2.1.1.76 quercetin 3-O-methyltransferase and EC 2.1.1.82 3-methylquercetin 7-O-methyltransferase in the methylation of quercetin to 3,7,4'-trimethylquercetin in Chrysosplenium americanum. Does not act on flavones, dihydroflavonols, or their glucosides. Group: Enzymes. Synonyms: flavonol 4'-O-methyltransferase; flavonol 4'-methyltransferase; 4'-OMT; S-adenosyl-L-methionine:3',4',5-trihydroxy-3,7-dimethoxyflavone 4'-O-methyltransferase; 3,7-dimethylquercitin 4'-O-methyltransferase [mis-spelt]. Enzyme Commission Number: EC 2.1.1.83. CAS No. 96477-60-0. 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-1984; 3,7-dimethylquercetin 4'-O-methyltransferase; EC 2.1.1.83; 96477-60-0; flavonol 4'-O-methyltransferase; flavonol 4'-methyltransferase; 4'-OMT; S-adenosyl-L-methionine:3',4',5-trihydroxy-3,7-dimethoxyflavone 4'-O-methyltransferase; 3,7-dimethylquercitin 4'-O-methyltransferase [mis-spelt]. Cat No: EXWM-1984.
3,7-Dimethyluric Acid is one of Caffeine metabolites. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Uses: 3,7-dimethyluric acid is caffeine metabolite which eliminates through urine. Synonyms: 7,9-Dihydro-3,7-dimethyl-1H-purine-2,6,8(3H)-trione; 8-Hydroxytheobromine; Ba 2754; Oxytheobromine; 3,7-Dimethyl-harnsaeure; 3,7-Dimethyl-2,6,8-trihydroxypurine; 3,7-dimethylurate; 3,7-Dimethyl-1H-purine-2,6,8(3H,7H,9H)-trione. Grade: 95%. CAS No. 13087-49-5. Molecular formula: C7H8N4O3. Mole weight: 196.16.
3',7-Di-O-methyl quercetin
3',7-Di-O-methyl quercetin. Group: Biochemicals. Alternative Names: 3,5-Dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-1-benzopyran-4-one; 3,4',5-Trihydroxy-3',7-dimethoxyflavone; Rhamnazin. Grades: Highly Purified. CAS No. 552-54-5. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C17H14O7. US Biological Life Sciences.
Worldwide
3,7-Dithia-1,9-nonanediol
3,7-Dithia-1,9-nonanediol. Alternative Names: 2-((3-[(2-Hydroxyethyl)sulfanyl]propyl)sulfanyl)ethanol;1,3-BIS(2-HYDROXYETHYLTHIO)PROPANE;2,2'-(TRIMETHYLENEDITHIO)DIETHANOL;3,7-DITHIA-1,9-NONANEDIOL. CAS No. 16260-48-3. Molecular formula: C7H16O2S2. Mole weight: 196.3g/mol. IUPAC Name: 2-[3-(2-hydroxyethylsulfanyl)propylsulfanyl]ethanol. SMILES: C(CSCCO)CSCCO. InChI: InChI=1S/C7H16O2S2/c8-2-6-10-4-1-5-11-7-3-9/h8-9H,1-7H2.
3-(7-Ethyl-1H-indol-3-yl)-3-(7-ethyl-3-(2-Hydroxyethyl)-1H-indol-2-yl)Pentanoic Acid is an impurity in the synthesis of Etodolac (E933100). Like other Etodolac impurities (P835255) may have use in the treatment of myeloma. COX-1/COX-2/ β-catenin inhibitors. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C27H32N2O3, Molecular Weight: 432.55. US Biological Life Sciences.
3-(7-Ethyl-3-(2-hydroxyethyl)-1H-indol-2-yl)pent-2-enoic Acid is a a double bond isomer of Etodolac Impurity L which is an impurity of Etodolac (racemic, E933100), a non-steroidal anti-inflammatory drug (NSAID) that selectively inhibits cyclooxygenase-2 (COX-2). Etodolac displays anti-inflammatory effects in both adjuvant arthritic and normal rats. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 50mg. Molecular Formula: C17H21NO3, Molecular Weight: 287.35. US Biological Life Sciences.
3,8-Dihexyl-thieno[3,2-b:4,5-b']bis[1]benzothiophene. Alternative Names: C6-DBTDT. CAS No. 1261027-85-3. Molecular formula: C28H32S3. Mole weight: 464.75.
3',8-Dihydroxy-4',6,7-trimethoxyisoflavone
It is produced by the strain of Streptomyces sp. It is a catechole-O-methyltransferase inhibitor (IC50 is 0.2 g/mL). Synonyms: 6,7-Dimethoxy-8-hydroxy-3-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran; 4H-1-Benzopyran, 6,7-dimethoxy-8-hydroxy-3-(3-hydroxy-4-methoxyphenyl)-. CAS No. 57800-11-0. Molecular formula: C18H16O7. Mole weight: 344.32.
IQ-type carcinogens found in cooked food are biotransformed and bind to DNA through sequential N2-hydroxylation and. Group: Biochemicals. Alternative Names: NO2-MeIQx. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences.
3,8-Dioctyl-thieno[3,2-b:4,5-b']bis[1]benzothiophene. Alternative Names: C8-DBTDT. CAS No. 1355015-99-4. Molecular formula: C32H40S3. Mole weight: 520.86. Purity: 97%.
3,8-Di-O-methylellagic acid 2-O-glucoside
3,8-Di-O-methylellagic acid 2-O-glucoside is a natural phenolic compound found in several plants. Synonyms: 3,3'-Di-O-methylellagic acid 4-O-glucoside. Grade: >98%. CAS No. 51803-68-0. Molecular formula: C22H20O13. Mole weight: 492.39.
3,8-divinyl chlorophyllide a reductase
The enzyme, found only in bacteriochlorophyll b-producing bacteria, catalyses the introduction of a C-8 ethylidene group. The enzyme contains a [4Fe-4S] cluster, and structurally resembles the Fe protein/MoFe protein complex of nitrogenase. It is very similar to EC 1.3.7.15, chlorophyllide a reductase, and is composed of three subunits. Two of them form the catalytic component, while the third one functions as an ATP-dependent reductase component that catalyses the electron transfer from ferredoxin to the catalytic component. Group: Enzymes. Enzyme Commission Number: EC 1.3.7.14. 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-1395; 3,8-divinyl chlorophyllide a reductase; EC 1.3.7.14. Cat No: EXWM-1395.
3,8-divinyl protochlorophyllide a 8-vinyl-reductase (ferredoxin)
The enzyme, found in many phototrophic bacteria, land plants, and some green and red algae, is involved in the production of monovinyl versions of (bacterio)chlorophyll pigments from their divinyl precursors. Binds two [4Fe-4S] clusters and an FAD cofactor. It can also act on 3,8-divinyl chlorophyllide a, 3,8-divinyl chlorophyll a, and chlorophyll c2. cf. EC 1.3.1.75, 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH). Group: Enzymes. Synonyms: bciB (gene name); cyano-type divinyl chlorophyllide a 8-vinyl-reductase. Enzyme Commission Number: EC 1.3.7.13. 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-1394; 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (ferredoxin); EC 1.3.7.13; bciB (gene name); cyano-type divinyl chlorophyllide a 8-vinyl-reductase. Cat No: EXWM-1394.
3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH)
The enzyme, found in higher plants, green algae, and some phototrophic bacteria, is involved in the production of monovinyl versions of (bacterio)chlorophyll pigments from their divinyl precursors. It can also act on 3,8-divinyl chlorophyllide a. cf. EC 1.3.7.13, 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (ferredoxin). Group: Enzymes. Synonyms: DVR (gene name); bciA (gene name); [4-vinyl]chlorophyllide a reductase; 4VCR; chlorophyllide-a:NADP+ oxidoreductase; divinyl chlorophyllide a 8-vinyl-reductase; plant-type divinyl chlorophyllide a 8-vinyl-reductase. Enzyme Commission Number: EC 1.3.1.75. 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-1344; 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH); EC 1.3.1.75; DVR (gene name); bciA (gene name); [4-vinyl]chlorophyllide a reductase; 4VCR; chlorophyllide-a:NADP+ oxidoreductase; divinyl chlorophyllide a 8-vinyl-reductase; plant-type divinyl chlorophyllide a 8-vinyl-reductase. Cat No: EXWM-1344.
3.8nm CdSe Quantum Dots
3.8nm CdSe Quantum Dots.
3-(9-Adeninyl)propionoic Acid Ethyl Ester
3-(9-Adeninyl)propionoic Acid Ethyl Ester is an analogue of Eritadenine (E600100) with hypocholesterolemic activity. Group: Biochemicals. Grades: Highly Purified. CAS No. 7083-40-1. Pack Sizes: 500mg, 1g. Molecular Formula: C10H13N5O2. US Biological Life Sciences.
Worldwide
3-(9-Anthryl)acrolein
As an intermediate. Synonyms: 3-(9-anthryl) acrolein; 3-(9-Anthryl)Acrolein; (2E)-3-anthracen-9-ylprop-2-enal. Grade: > 95%. CAS No. 38982-12-6. Molecular formula: C17H12O. Mole weight: 232.28.