A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
DNA Polymerase for PAGE. Dna polymerase for page is purified from e. coliexpressing a cloned dna polymerase from thermus aquaticus. the enzyme consists of a single polypeptide with a molecular weight of approximately 94 kda. dna polymerase for page has 5?-3? dna polymerase activity and 5?-3? exonuclease activity. lt lacks 3?-5? exonuclease activity. this enzyme is supplied with unique buffer, and its pcr product is suitable for sds-page and agarose gel electrophoresis. Group: Cloning Enzymes. Purity: 2500U. Storage: Store at -20 ?. Cat No: CE-3004.
DNA Polymerase I Klenow Fragment, Exo-Minus, Recombinant, 10X Reaction Buffer
DNA Polymerase I Klenow Fragment, Reaction Buffer (10X) supplied with D3941. Group: Molecular Biology. Grades: Molecular Biology Grade. Pack Sizes: 1ml. US Biological Life Sciences.
Worldwide
DNA Polymerase I Klenow Fragment, Reaction Buffer (10X)
DNA Polymerase I Klenow Fragment, Reaction Buffer (10X) supplied with D3940. Group: Molecular Biology. Grades: Molecular Biology Grade. CAS No. 9012-90-2. Pack Sizes: 1ml. US Biological Life Sciences.
Worldwide
DNA Polymerase I Reaction Buffer, 10X
Reaction Buffer (10X) for D3935. Group: Molecular Biology. Grades: Molecular Biology Grade. Pack Sizes: 1ml. US Biological Life Sciences.
Worldwide
DNA Polymerase, Pfu, Reaction Buffer, 10X
D3935-65B1(10X Reaction Buffer): Group: Molecular Biology. Grades: Purified. Pack Sizes: 10ml, . US Biological Life Sciences.
Worldwide
DNA Polymerase T4 Buffer, 5X
Reaction buffer for D3943: DNA Polymerase T4, Exo-Minus. Group: Molecular Biology. Pack Sizes: 350ul. US Biological Life Sciences.
Worldwide
DNA relaxation-IN-1
DNA relaxation-IN-1 (compound 27) is a DNA Ligase 1 ( DNA Lig1 ) inhibitor, which inhibits DNA ligation and disrupts Lig Is DNA relaxation activity. DNA relaxation-IN-1 combined with Topotecan (HY-13768) exhibits a synergistic antiproliferative effect on colorectal cancer cells [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2190506-29-5. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-161152.
DNA repair protein RAD50 (1281-1289)
A fragment of DNA repair protein RAD50. RAD50 is a component of the MRN complex, which plays a central role in double-strand break (DSB) repair, DNA recombination, maintenance of telomere integrity and meiosis. This peptide can be used in Ovarian carcinoma research.
DNA, Salmon (Deoxyribonucleic acid)
DNA, Salmon (Deoxyribonucleic acid). Group: Biochemicals. Alternative Names: DNA-Na. Grades: Highly Purified. CAS No. 9007-49-2. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
Worldwide
DNase I, Bovine pancreas
DNase I (EC 3.1.21.1) is an enzyme that degrade DNA, it plays a key role in the cleavage of extracellular DNA is crucial for limiting the inflammatory response and maintaining homeostasis. Exogenous deoxyribonuclease shows beneficial effects in inflammatory diseases and cancer [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: DNase. CAS No. 9003-98-9. Pack Sizes: 50 mg; 100 mg. Product ID: HY-108882.
DNA sodium salt (Fish sperm)
DNA sodium salt (Fish sperm). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 1g. US Biological Life Sciences.
Worldwide
DNA topoisomerase
These enzymes bring about the conversion of one topological isomer of DNA into another, e.g., the relaxation of superhelical turns in DNA, the interconversion of simple and knotted rings of single-stranded DNA, and the intertwisting of single-stranded rings of complementary sequences, cf. EC 5.99.1.3 DNA topoisomerase (ATP-hydrolysing). Group: Enzymes. Synonyms: type I DNA topoisomerase; untwisting enzyme; relaxing enzyme; nicking-closing enzyme; swivelase; ω-protein; deoxyribonucleate topoisomerase; topoisomerase; type I DNA topoisomerase. Enzyme Commission Number: EC 5.99.1.2. CAS No. 80449-01-0. TOPO I. 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-5637; DNA topoisomerase; EC 5.99.1.2; 80449-01-0; type I DNA topoisomerase; untwisting enzyme; relaxing enzyme; nicking-closing enzyme; swivelase; ω-protein; deoxyribonucleate topoisomerase; topoisomerase; type I DNA topoisomerase. Cat No: EXWM-5637.
DNA topoisomerase (ATP-hydrolysing)
The enzyme can introduce negative superhelical turns into double-stranded circular DNA. One unit has nicking-closing activity, and another catalyses super-twisting and hydrolysis of ATP (cf. EC 5.99.1.2 DNA topoisomerase). Group: Enzymes. Synonyms: type II DNA topoisomerase; DNA-gyrase; deoxyribonucleate topoisomerase; deoxyribonucleic topoisomerase; topoisomerase; DNA topoisomerase II. Enzyme Commission Number: EC 5.99.1.3. CAS No. 142805-56-9. TOPO II. 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-5638; DNA topoisomerase (ATP-hydrolysing); EC 5.99.1.3; 142805-56-9; type II DNA topoisomerase; DNA-gyrase; deoxyribonucleate topoisomerase; deoxyribonucleic topoisomerase; topoisomerase; DNA topoisomerase II. Cat No: EXWM-5638.
DNC-d8
analytical standard. Group: Chemical class.
DND-189
DND-189, a low-pH fluorescent probe, is sensitive to neutral and low pH range. DND-189 can be used to measure the pH of acidic organelles [1] [2]. Uses: Scientific research. Group: Fluorescent dye. CAS No. 152584-38-8. Pack Sizes: 5 mg; 10 mg. Product ID: HY-D1457.
DNDI-6174
DNDI-6174 is a cytochrome bc1 complex inhibitor with potent in vitro activity against a variety of Leishmania species. DNDI-6174 can reduce parasite burden in animal models of infection [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2868298-43-3. Pack Sizes: 10 mM * 1 mL; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-162066.
D-Neopterin
Precursor in the biosynthesis of Biopterin. First isolated from the pupae of bees. Group: Biochemicals. Alternative Names: 2-Amino-6-[(1S,2R)-1,2,3-trihydroxypropyl]-4(3H)-pteridinone; Neopterin; 2-Amino-4-hydroxy-6- (1, 2, 3-trihydroxypropyl) pteridine; 2-Amino-6-((1S,2R)-1,2,3-trihydroxypropyl)-4(8H)-pteridone; 6-D-erythro-Neopterin; D-(+)-Neopterin; D-erythro-Neopterin. Grades: Highly Purified. CAS No. 2009-64-5. Pack Sizes: 10mg, 25mg, 50mg, 100mg. Molecular Formula: C9H11N5O4, Molecular Weight: 253.21. US Biological Life Sciences.
Worldwide
D-Neopterin-13C5
Labeled precursor in the biosynthesis of Biopterin. First isolated from the pupae of bees. Group: Biochemicals. Alternative Names: 2-Amino-6-[(1S,2R)-1,2,3-trihydroxypropyl]-. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
D-Neopterin-[13C5]
D-Neopterin-[13C5] is a labelled analogue of D-Neopterin. D-Neopterin is a precursor in the biosynthesis of Biopterin. Synonyms: 2-Amino-6-[(1S,2R)-1,2,3-trihydroxypropyl]-4(3H)-pteridinone-13C5; Neopterin-13C5; 2-Amino-4-hydroxy-6-(1,2,3-trihydroxypropyl)pteridine-13C5; 2-Amino-6-((1S,2R)-1,2,3-trihydroxypropyl)-4(8H)-pteridone-13C5; 6-D-erythro-Neopterin-13C5; D-(+)-Neopterin-13C5; D-erythro-Neopterin-13C5. Grade: ≥95%. CAS No. 1217632-04-6. Molecular formula: C4[13C]5H11N5O4. Mole weight: 258.18.
DNL343 is a potent, selective, orally active and brain-penetrant activator of eukaryotic initiation factor eIF2B. DNL343 inhibits the activity of the integrated stress response (ISR) in the central nervous system (CNS) and reverses neurodegeneration and neuroinflammation. DNL343 also prevents motor dysfunction and premature death in eIF2B loss-of-function (LOF) mutant mice. DNL343 can be used in the study of neurodegenerative diseases [1] [2] [3]. Uses: Scientific research. Group: Signaling pathways. CAS No. 2278265-85-1. Pack Sizes: 10 mM * 1 mL; 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-149555.
D-NMAPPD
D-NMAPPD is an inhibitor of ceramidase. It induces cell death in SW403 colon adenocarcinoma cells in a time- and concentration-dependent manner but doesn't have effect on viability of rat hepatocytes, Kupffer cells, or sinusoidal endothelial cells when used at a concentration of 100 mM. It also increases intracellular ceramide accumulation and cytochrome C release and induces apoptosis in SW403 cells. Synonyms: (1R,2R)-B13; CAY10466; N-[(1R,2R)-2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]-tetradecanamide. Grade: ≥98%. CAS No. 35922-06-6. Molecular formula: C23H38N2O5. Mole weight: 422.6.
Cell permeable control compound for L-NMMA. Inactive, shows no NOS inhibitor activity. Useful tool to investigate non-specific L-NMMA activity. Group: Biochemicals. Grades: Highly Purified. CAS No. 137694-75-8. Pack Sizes: 5mg, 25mg, 100mg. Molecular Formula: C7H16N4O2. CH3COOH. US Biological Life Sciences.
D-Nonamannuronic Acid Nonasodium Salt is a multifaceted biochemical compound, finding a multitude of applications, particularly in the production of potent antiviral drugs with exceptional efficacy against influenza A as well as B viruses. Synonyms: Nona-Mannuronic Acid Sodium Salt. Grade: ≥93% by GPC. Molecular formula: C54H65O55Na9. Mole weight: 1800.96.
D-nopaline dehydrogenase
In the reverse direction, forms D-nopaline from L-arginine and D-ornaline from L-ornithine. Group: Enzymes. Synonyms: D-nopaline synthase; nopaline dehydrogenase; nopaline synthase; NOS; 2-N-(D-1,3-dicarboxypropyl)-L-arginine:NADP+ oxidoreductase (L-arginine-forming). Enzyme Commission Number: EC 1.5.1.19. CAS No. 64763-57-1. 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-1500; D-nopaline dehydrogenase; EC 1.5.1.19; 64763-57-1; D-nopaline synthase; nopaline dehydrogenase; nopaline synthase; NOS; 2-N-(D-1,3-dicarboxypropyl)-L-arginine:NADP+ oxidoreductase (L-arginine-forming). Cat No: EXWM-1500.
D-(-)-Norgestrel
An emergency contraceptive. Group: Biochemicals. Alternative Names: 17-Ethynyl-18-methyl-19-nortestosterone; (17α)-13-Ethyl-17-hydroxy -18,19-dinorpregn-4-en-20-yn-3-one; Levonorgestrel; D-Norgestrel; Dexnorgestrel; Levonelle; Levonova; Microlut; Microval; Norgeston. Grades: Highly Purified. CAS No. 797-63-7. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
D-(-)-Norgestrel 17-Acetate
D-(-)-Norgestrel 17-Acetate. Group: Biochemicals. Alternative Names: (17α)-17-(Acetyloxy)-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one; 17-Acetoxy-13-ethyl-18,19-dinor-17α-pregn-4-en-20-yn-3-one; 17-Ethynyl-18-methyl-19-nortestosterone Acetate; 17α-Ethynyl-18-methyl-19-nortestosterone Acetate; 17 β-Acetoxy-17-ethynyl-18-methyl-19-norandrost-4-en-3-one; Levonorgestrel 17-Acetate; Levonorgestrel Acetate; d-(17α)-17-Acetoxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one. Grades: Highly Purified. CAS No. 13732-69-9. Pack Sizes: 100mg. Molecular Formula: C23H30O3, Molecular Weight: 354.48. US Biological Life Sciences.
Worldwide
D-(-)-Norgestrel β-D-Glucuronide
A glucuronide metabolite of Levonorgestrel. Group: Biochemicals. Alternative Names: 17-Ethynyl-18-methyl-19-nortestosterone Glucuronide; Levonorgestrel Glucuronide. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
D-(-)-Norgestrel β-D-Glucuronide Methyl Ester
An intermediate to the glucuronide metabolite of Levonorgestrel. Group: Biochemicals. Alternative Names: 17-Ethynyl-18-methyl-19-nortestosterone Glucuronide Methyl Ester; Levonorgestrel Glucuronide Methyl Ester. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
An emergency contraceptive. Group: Biochemicals. Alternative Names: 17-Ethynyl-18-methyl-. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
D-(-)-Norgestrel (Levonorgestrel)
Levonorgestrel is a synthetic progestogen used as an active ingredient in some hormonal contraceptives. Synonyms: SCH29851; SCH 29851; SCH-29851. Grade: >98%. CAS No. 797-63-7. Molecular formula: C21H28O2. Mole weight: 312.45.
An intermediate to the glucuronide metabolite of Levonorgestrel. Group: Biochemicals. Alternative Names: 17-Ethynyl-18-methyl-19-nortestosterone Tri-O-acetyl Glucuronide Methyl Ester; Levonorgestrel Tri-O-acetyl Glucuronide Methyl Ester. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
D-(-)-Norleucine is a leucine derivative [1]. Uses: Scientific research. Group: Peptides. Alternative Names: (R)-2-Aminohexanoic acid; (R)-Norleucine. CAS No. 327-56-0. Pack Sizes: 25 g; 100 g. Product ID: HY-41912A.
D-Norleucine 99+%
D-Norleucine 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
D-Norleucine (D-Nle-OH)
D-Norleucine is used for the synthesis of Thailandepsin B, a bicyclic depsipeptide histone deacetylase inhibitor. Group: Biochemicals. Alternative Names: (R)-2-Aminohexanoic Acid; D-2-Aminohexanoic acid; (R)-Norleucine; D-(-)-Norleucine; D-Nle-OH. Grades: Highly Purified. CAS No. 327-56-0. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C?H??NO?, Molecular Weight: 131.17. US Biological Life Sciences.
Worldwide
D-Norleucine methyl ester hydrochloride
D-Norleucine methyl ester hydrochloride. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
D-Norleucinol
D-Norleucinol. Group: Biochemicals. Alternative Names: (R)-2-Amino-1-hexanol. Grades: Highly Purified. CAS No. 80696-28-2. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. US Biological Life Sciences.
Worldwide
D-Norleucinol ≥95% (NMR)
D-Norleucinol ≥95% (NMR). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 10g. US Biological Life Sciences.
Worldwide
D-Norpropoxyphene maleate salt
analytical standard. Group: Opiates / synthetic analgesic drug standards.
D-Norvaline
D-Norvaline is a valine derivative [1]. Uses: Scientific research. Group: Peptides. CAS No. 2013-12-9. Pack Sizes: 25 g. Product ID: HY-41309.
D-Norvalinol (CAS# 80696-30-6) is a useful research chemical compound. Synonyms: H-D-Nva-ol; (R)-2-Amino-1-pentanol; (R)-2-Aminopentan-1-ol; (R)-(-)-2-Amino-1-pentanol; (2R)-2-aminopentan-1-ol. Grade: ≥ 98 %. CAS No. 80696-30-6. Molecular formula: C5H13NO. Mole weight: 103.17.
D-Norvalinol
D-Norvalinol. Group: Biochemicals. Alternative Names: (R)-(-)-2-Amino-1-pentanol. Grades: Highly Purified. CAS No. 80696-30-6. Pack Sizes: 500mg, 1g, 2g, 5g. US Biological Life Sciences.
Worldwide
D-Norvalinol 98+%
D-Norvalinol 98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g. US Biological Life Sciences.
Worldwide
DNP-AU-hydrazide
DNP-AU-hydrazide. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg. US Biological Life Sciences.
Worldwide
DNP-AU-NHS
DNP-AU-NHS. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg. US Biological Life Sciences.
Worldwide
DNP-AU-NHS ≥95% (HPLC)
DNP-AU-NHS ≥95% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g. US Biological Life Sciences.
Worldwide
DNP CE Phosphoramidite
DNP CE Phosphoramidite is a paramount compound, serving as a multifaceted and adaptable solution for the orchestrated fabrication of personalized DNA oligonucleotides. Its pivotal role as a phosphoramidite building component in solid-phase synthesis fosters the precise integration of a DNP moiety at designated locales within the DNA sequence. Grade: >95% by HPLC. Molecular formula: C21H34N5O6P. Mole weight: 483.51.
Dnp-dl-norleucine
Dnp-dl-norleucine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: DNP-DL-NORLEUCINE;N-2,4-DNP-DL-NORLEUCINE;DNP-DL-Norleucine 2,4-Dinitrophenyl-DL-norleucine;N-(2,4-dinitrophenyl)-DL-norleucine;(±)-N-(2,4-Dinitrophenyl)norleucine. Product Category: Heterocyclic Organic Compound. CAS No. 31356-36-2. Molecular formula: C12H15N3O6. Mole weight: 297.26. Product ID: ACM31356362. Alfa Chemistry ISO 9001:2015 Certified.
DNP-INT
DNP-INT is a quinone analog that inhibits electron transport in plants by competitively inhibiting plastoquinol oxidation by binding at the Qo site of cytochrome b6f (Kd = 1.4 nM). It inhibits electron flow from water to NADP or methylviologen by 50 and 100% when used at concentrations of 0.5 or 5 μM, respectively. Synonyms: 2-(2,4-dinitrophenoxy)-3-iodo-4-methyl-1-(1-methylethyl)-5-nitro-benzene; 2-Iodo-6-isopropyl-3-methyl-2',4,4'-trinitrodiphenyl ether; 4-(2,4-dinitrophenoxy)-3-iodo-2-methyl-1-nitro-5-propan-2-ylbenzene. Grade: ≥98%. CAS No. 69311-70-2. Molecular formula: C16H14IN3O7. Mole weight: 487.2.
Dnp-L-tryptophan
Dnp-L-tryptophan. Uses: Designed for use in research and industrial production. Additional or Alternative Names: DNP-L-TRYPTOPHAN;N-2,4-DNP-L-TRYPTOPHAN;DNP-L-Tryptophan 2,4-Dinitrophenyl-L-tryptophan;N-(2,4-dinitrophenyl)-L-tryptophan;Nα-(2,4-Dinitrophenyl)tryptophan;L-Tryptophan, N-(2,4-dinitrophenyl)-;Nsc526958. Product Category: Heterocyclic Organic Compound. Appearance: Dark yellow powder. CAS No. 1655-51-2. Molecular formula: C17H14N4O6. Mole weight: 370.32. Product ID: ACM1655512. Alfa Chemistry ISO 9001:2015 Certified.
Dnp-P-Cha-G-Cys(Me)-HA-K(Nma)-NH2
Dnp-P-Cha-G-Cys(Me)-HA-K(Nma)-NH2 is a fluorogenic substrate for matrix metalloproteinase-1 (MMP-1) and MMP-9. It is cleaved to release the fluorescent moiety N-methylanthranilic acid (Nma), of which the fluorescence can be used to quantify MMP-1 and MMP-9 activity. Synonyms: Matrix Metalloproteinase-1/Matrix Metalloproteinase-9 Fluorogenic Substrate; MMP-1/MMP-9 Fluorogenic Substrate; 1-(2,4-dinitrophenyl)-L-prolyl-3-cyclohexyl-L-alanylglycyl-S-methyl-L-cysteinyl-L-histidyl-L-alanyl-N6-[2-(methylamino)benzoyl]-L-lysinamide. Grade: ≥95%. CAS No. 150956-92-6. Molecular formula: C49H68N14O12S. Mole weight: 1077.23.
DNP-PEG4-NHS ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 858126-78-0. Pack Sizes: 50 mg; 100 mg; 250 mg. Product ID: HY-140614.