A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
DAHK inhibits Cu(II)-induced oxidative DNA double strand breaks. The tetrapeptide is as effective as HSA in preventing neuronal death induced by CuCl2/ascorbic acid. It may be an effective, small-molecular-weight alternative to HSA as a therapeutic agent for stroke. Synonyms: (S)-6-amino-2-((S)-2-((S)-2-((S)-2-amino-3-carboxypropanamido)propanamido)-3-(1H-imidazol-4-yl)propanamido)hexanoic acid. Grade: 95%. CAS No. 111543-77-2. Molecular formula: C19H31N7O7. Mole weight: 469.49.
H-Asp(AMC)-OH
H-Asp(AMC)-OH, a amino acid derivative, is a fluorescent dye. H-Asp(AMC)-OH dose not inhibit glycine transport at a concentration of 0.25 mM[1]. Uses: Scientific research. Category: Signaling pathways. CAS No. 133628-73-6. Pack Sizes: 5 mg; 10 mg. Product ID: HY-W142117.
H-Asp-Asp-Asp-Asp-Asp-OH is an intricate peptide derivative with immense promise in the expansive research of diseases such as cancer and neurological disorders. Synonyms: L-Aspartic acid, L-α-aspartyl-L-α-aspartyl-L-α-aspartyl-L-α-aspartyl-; DDDDD; H-DDDDD-OH. Grade: ≥95%. CAS No. 124219-00-7. Molecular formula: C20H27N5O16. Mole weight: 593.45.
A chemical found in human urine. Synonyms: H-Beta-Asp-His-OH; L-beta-aspartyl-L-histidine; L-Histidine, L-beta-aspartyl-; N-L-β-aspartyl-L-histidine. Grade: 95%. CAS No. 20223-80-7. Molecular formula: C10H14N4O5. Mole weight: 270.24.
H-Asp(Leu-OH)-OH
H-Asp(Leu-OH)-OH is a substrate for E.coli isoaspartyl dipeptidase. Synonyms: L-Leucine, L-beta-aspartyl-; beta-Aspartylleucine; L-beta-aspartyl-L-leucine; (S)-2-((S)-3-amino-3-carboxypropanamido)-4-methylpentanoic acid; β-Asp-Leu. Grade: 95%. CAS No. 14650-26-1. Molecular formula: C10H18N2O5. Mole weight: 246.26.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis.
H-Asp(OPis)-2-chlorotrityl resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Asp(OPis)-Trt(2-Cl)-Resin; H-Asp(OPis)-Barlos Resin; L-Aspartic acid β-phenylisopropyl ester 2-chlorotrityl resin.
H-Asp(OtBu)-2-Chlorotrityl Resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: L-Aspartic acid 4-tert-butyl ester 1-(2-chlorotrityl ester) polymer-bound.
H-Asp(OtBu)-2-Cl-Trt Resin
Alfa Chemistry's amino acid 2-Cl-Trt resins are available in loadings ranging from 0.4 to 0.7 mmol/g. Since the linked amino acids are N-protected, these resins can be used without pretreatment. Alternative Names: L-aspartic acid beta-t-butyl ester 2-chlorotrityl resin.
H-Asp(OtBu)-ol-2-chlorotrityl resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Asp(OtBu)-ol-Trt(2-Cl)-Resin; H-Asp(OtBu)-ol-Barlos Resin; L-Aspart-1-ol t-butyl ester 2-chlorotrityl resin.
H-Asp(Phe-OH)-OH
H-Asp(Phe-OH)-OH was isolated and identified from urine and plasma of healthy human volunteers. It has also been used to study the structure-taste relationship of dipeptides. Synonyms: H-β-Asp-Phe-OH; beta-Aspartylphenylalanine; N-L-beta-Aspartyl-3-phenyl-L-alanine; N-[(3S)-3-Carboxy-beta-alanyl]phenylalanine; (S)-2-amino-4-((S)-1-carboxy-2-phenylethylamino)-4-oxobutanoic acid; L-β-Aspartyl-L-phenylalanine. Grade: 95%. CAS No. 13433-10-8. Molecular formula: C13H16N2O5. Mole weight: 280.28.
HAT-IN-1 is an inhibitor of HAT, used in cancer research. Synonyms: 2-(5'-Bromo-2,3',5-trioxo-2',3'-dihydro-1H-spiro[imidazolidine-4,1'-inden]-1-yl)-N-(4-fluorobenzyl)-N-[(2S)-1,1,1-trifluoro-2-propanyl]acetamide; Spiro[imidazolidine-4,1'-[1H]indene]-1-acetamide, 5'-bromo-N-[(4-fluorophenyl)methyl]-2',3'-dihydro-2,3',5-trioxo-N-[(1S)-2,2,2-trifluoro-1-methylethyl]-; 2-(5'-Bromo-2,3',5-trioxo-2',3'-dihydrospiro[imidazolidine-4,1'-inden]-1-yl)-N-(4-fluorobenzyl)-N-((S)-1,1,1-trifluoropropan-2-yl)acetamide. CAS No. 1889281-94-0. Molecular formula: C23H18BrF4N3O4. Mole weight: 556.30.
HAT Inhibitor II
HAT Inhibitor II is a cell-permeable and selective inhibitor of the histone acetyltransferase p300 (IC50 = 5 μM). It has been shown to decrease histone H3 acetylation (IC50 ≤ 40 μM) and induce chromatin condensation in HeLa cells. Synonyms: Histone Acetyltransferase Inhibitor II; (2E,6E)-2,6-bis[(3-bromo-4-hydroxyphenyl)methylidene]cyclohexan-1-one. Grade: ≥98%. CAS No. 932749-62-7. Molecular formula: C20H16Br2O3. Mole weight: 464.2.
Hatomamicin
It is produced by the strain of Saccharopolyspora YL-0358M. It is an alkaloid antibiotic. It has weaker activity against gram-positive bacteria. It also shows cytotoxicity to lymphocytic leukemia L1210 and leukemia P388 cells. Synonyms: Antibiotic YL-0358M-A. CAS No. 116290-93-8. Molecular formula: C22H31NO5. Mole weight: 389.49.
Hatomarubigin A
It is produced by the strain of Streptomyces sp. 2238-SVT4. It can enhance the effect of Colchicines against multidrug resistance (MDR) tumor cells. Synonyms: Benz(a)anthracene-1,7,12(2H)-trione,3,4-dihydro-6-hydroxy-8-methoxy-3-methyl-, (S)-. CAS No. 139562-86-0. Molecular formula: C20H16O5. Mole weight: 336.34.
Hatomarubigin B
It is produced by the strain of Streptomyces sp. 2238-SVT4. It can enhance the effect of Colchicines against multidrug resistance (MDR) tumor cells. Synonyms: Benz(a)anthracene-1,7,12(2H)-trione,3,4-dihydro-11-hydroxy-8-methoxy-3-methyl-, (S)-. CAS No. 139501-91-0. Molecular formula: C20H16O5. Mole weight: 336.34.
Hatomarubigin C
It is produced by the strain of Streptomyces sp. 2238-SVT4. It can enhance the effect of Colchicines against multidrug resistance (MDR) tumor cells. Synonyms: Benz(a)anthracene-7,12-dione,1,2,3,4-tetrahydro-1,11-dihydroxy-8-methoxy-3-methyl-, (1S-cis)-; (1S)-1β,11-Dihydroxy-3β-methyl-8-methoxy-1,2,3,4-tetrahydrobenz[a]anthracene-7,12-dione. CAS No. 139501-92-1. Molecular formula: C20H18O5. Mole weight: 338.35.
Hatomarubigin D
It is produced by the strain of Streptomyces sp. 2238-SVT4. It can enhance the effect of Colchicines against multidrug resistance (MDR) tumor cells. Synonyms: Benz(a)anthracene-7,12-dione,10,10'-methylenebis(1,2,3,4-tetrahydro-1,11-dihydroxy-8-methoxy-3-methyl-, (1S-(1alpha,3alpha,10(1'R*,3'R*)))-. CAS No. 139501-93-2. Molecular formula: C41H36O10. Mole weight: 688.72.
HATU
HATU is a third-generation uronium salt peptide coupling reagent. HATU increases the rate of peptide coupling reactions, activates amino acids, promotes peptide bond formation in both solution-phase and solid-phase synthesis, and also facilitates peptide assembly, fragment coupling, and linear peptide cyclization. HATU can promote the N-acylation of chitosan to generate amide-linked cationic derivatives with a controllable degree of substitution. HATU is commonly used in amine acylation reactions[1][2]. Uses: Scientific research. Category: Signaling pathways. CAS No. 148893-10-1. Pack Sizes: 10 mM * 1 mL in DMSO; 25 g; 50 g; 100 g; 500 g. Product ID: HY-Y1703.
HATU
HATU, a triazolopyridine dirivative, has been found to be a peptide coupling reagent and could be used in the formation of of Aurora A kinase inhibitors. Synonyms: HATU; 2-(7-Aza-1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate; O-(7-Azabenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; 1H-1,2,3-Triazolo[4,5-b]pyridinium, 1-[bis(dimethylamino)methylene]-, 3-oxide, hexafluorophosphate(1-) (1:1); O-(7-Azabenzotriazol-1-yl)-N,N,N,N-tetramethyl uronium hexafluorophosphate; 1H-1,2,3-Triazolo[4,5-b]pyridinium, 1-[bis(dimethylamino)methylene]-, hexafluorophosphate(1-), 3-oxide; 1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxide hexafluorophosphate. Grade: 98%. CAS No. 148893-10-1. Molecular formula: C10H15F6N6OP. Mole weight: 380.23.
HATU
Similar to HBTU, but reacts faster with less epimerization during coupling. Nevertheless, HATU is preferred to HBTU in most rapid coupling protocols (while it is utilized in the same manner as HBTU). Uses: Peptide Synthesis. Group: Coupling Reagents. Alternative Names: 1- [Bis (Dimethylamino) Methylene] -1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate. CAS No. 148893-10-1.
Luxembourg Bio Technologies
HATU
A peptide coupling reagent. Group: Biochemicals. Alternative Names: 1-[Bis (dimethylamino) methylene]-1H-1, 2, 3-triazolo[4, 5-b]pyridinium 3-Oxide Hexafluorophosphate. Grades: Highly Purified. CAS No. 148893-10-1. Pack Sizes: 5g. US Biological Life Sciences.
Worldwide
HAUS augmin-like complex subunit 3 (154-162)
HAUS augmin-like complex subunit 3 (154-162) is a peptide corresponding to residues 154-162 of HAUS augmin-like complex subunit 3. HAUS augmin-like complex subunit 3 contributes to mitotic spindle assembly, maintenance of centrosome integrity and completion of cytokinesis as part of the HAUS augmin-like complex.
Hautriwaic acid
Hautriwaic acid is a natural diterpenoid found in the herbs of Dodonaea viscosa. Hautriwaic acid may have hepatoprotective activity. Uses: Hepatoprotective. Synonyms: (4aR)-5β-[2-(3-Furyl)ethyl]-5,6α-dimethyl-8aα-(hydroxymethyl)-3,4,4aβ,5,6,7,8,8a-octahydronaphthalene-1-carboxylic acid. Grade: >97%. CAS No. 18411-75-1. Molecular formula: C20H28O4. Mole weight: 332.44.
Hawthorn berry extract
Hawthorn berry extract. Applications: Hawthorn berry extract can be used in functional food, drinks, health care products and pharmaceuticals. Group: Others. Purity: 10:1, 40% flavonoid. Appearance: Brown powder. Source: Hawthorn is a common thorny shrub in the rose family that grows up to 5 feet tall on hillsides and in sunny wooded areas throughout the world. Its flowers bloom in May. They grow in small white, red, or pink clusters. Small berries, called haws, sprout after the flowers. They are usually red when ripe, but they may also be black. Hawthorn leaves are shiny and grow in a variety of shapes and sizes. Hawthorn berry extract. Cat No: EXTC-186.
Hawthorn extract is prepared from the fruit of Crataegus species, a small tree or shrub and a member of the rose family. Hawthorn berry extract powder contains various compounds such as procyanidins, flavonoids and flavonols that exhibit antioxidant properties. Hawthorn berry extract is used to promote the health of the circulatory system, treat angina, high blood pressure, congestive heart failure and cardiac arrhythmia. Group: Others. Mole weight: 578.52. Hawthorn Extract; Crataegus pinnatifida Bge. Cat No: EXTC-015.
Hawthorn (Crataegus species) is a small tree or shrub and a member of the rose family. It was hung over the doorway in the Middle Ages to prevent the entry of evil spirits. By the early 1800s, American doctors recognized the herb's medicinal properties and began using it to treat circulatory disorders and respiratory illnesses. Applications: Hawthorn is claimed to maintain healthy collagen matrices of arterial walls so that the vessels remain elastic. it is used to normalize heart rhythm, reduce the likelihood and severity of angina attacks, and prevent cardiac complications in elderly patients with influenza and pneumonia. Group: Others. CAS No. 84603-61-2. Purity: 1.8% Vitexin-2-0-R HPLC. Mole weight: 587.5. Hawthorn Leaf Extract (Standard); 84603-61-2; C27H30O14. Cat No: EXTW-016.
Hawthorn powder
Hawthorn powder. Group: Others. Appearance: Light red powderwith a fresh, realistic hawthorn aroma unique flavor. Hawthorn powder. Cat No: EXTC-141.
Haxanoyl chloride(caproyl chloride)
Haxanoyl chloride(caproyl chloride). CAS No. 141-61-0. Purity: 96%. Product ID: ACM141610. Alfa Chemistry - ISO 9001:32057 Certified.
HaXS8
HaXS8 is a dimerizer that can promote a covalent and irreversible intracellular dimerization of HaloTag and SNAP-tagged proteins of interest. HaXS8 does not interfere with PI3K/mTOR signaling[1][2]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2080306-25-6. Pack Sizes: 10 mM * 1 mL in DMSO; 1 mg; 2 mg; 5 mg; 10 mg. Product ID: HY-131015.
Hazelnut CO2 Extract
Hazelnut CO2 Extract. CAS No. 84012-21-5. Kosher: Y. VIGON Item # 504465. Categories: Speciality Ingrdients Suppliers, Flavors, Fragrances, Perfumers.
America & Internationally
Hazelnut Oil
Hazelnut oil, expeller-pressed and refined; light, soothing, with good skin absorption. SAP 187-195. CAS No. 8007-69-0. Product ID: CI-SC-0476. Alfa Chemistry - ISO 9001:32057 Certified.
Hazimycin factor 5
It is produced by the strain of Pseudomonas sp. SCC 1411 or Micromonospora echinospora var challisensis SCC 1411. It has weak activity against gram-negative bacteria, yeast and skin fungi. Synonyms: (±)-6,6'-Dihydroxy-α,α'-diisocyano[1,1'-biphenyl]-3,3'-dipropionamide; (RS,RS)-6,6'-Dihydroxy-α,α'-diisocyano[1,1'-biphenyl]-3,3'-dipropionamide; (αR,α'R)-6,6'-Dihydroxy-α,α'-diisocyano[1,1'-biphenyl]-3,3'-dipropionamide; (2R,2'R)-3,3'-(6,6'-dihydroxy-[1,1'-biphenyl]-3,3'-diyl)bis(2-cyanopropanamide). CAS No. 84894-71-3. Molecular formula: C20H18N4O4. Mole weight: 378.38.
Hazimycin factor 6
It is produced by the strain of Pseudomonas sp. SCC 1411 or Micromonospora echinospora var challisensis SCC 1411. It has weak activity against gram-negative bacteria, yeast and skin fungi. Synonyms: meso-6,6'-Dihydroxy-α,α'-diisocyano[1,1'-biphenyl]-3,3'-dipropionamide; (RS,SR)-6,6'-Dihydroxy-α,α'-diisocyano[1,1'-biphenyl]-3,3'-dipropionamide; Hazimicin factor 6; (αR,α'S)-6,6'-Dihydroxy-α,α'-diisocyano[1,1'-biphenyl]-3,3'-dipropionamide; (S)-3-(5'-((R)-3-amino-2-cyano-3-oxopropyl)-2',6-dihydroxy-[1,1'-biphenyl]-3-yl)-2-cyanopropanamide. CAS No. 84885-57-4. Molecular formula: C20H18N4O4. Mole weight: 378.38.
HB007
HB007 is a small ubiquitin-related modifier 1 (SUMO1) degrader. HB007 induces ubiquitination and degradation of SUMO1, resulting in reduced tumor growth in vivo. HB007 can be used for the research of brain, breast, colon, and lung cancers[1][2]. Uses: Scientific research. Category: Signaling pathways. CAS No. 2387821-46-5. Pack Sizes: 10 mM * 1 mL in DMSO; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-139662.
H-b-(2-Furyl)-D-alanine 98+%
H-b-(2-Furyl)-D-alanine 98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
H-b-(2-Furyl)-L-alanine 99+%
H-b-(2-Furyl)-L-alanine 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
HbbetaP-1
HbbetaP-1 showed moderate activity against Gram-negative bacteria such as E. coli D31, Aeromonas hydrophila and Vibrio alginolyticus, but no activity against Gram-positive bacteria such as S. aureus, Streptococcus faecalis S. iniae. HbbetaP-1 was found in catfish, Ictalurus punctatus, Rafinesque. Grade: >95% by HPLC.
HBC
HBC (HBC 530) is a GFP fluorophore-like synthetic dye, with a structurally rigid electron acceptor and a strong electron donor. HBC has a low fluorescence background, and when combined with Pepper (RNA aptamer), HBC forms a tight complex and activates and emits bright fluorescence (Kd of ~3.5 nM). HBC emission peaks vary in different complexes and covers the spectrum from cyan to red. HBC can be used in the live cell imaging of RNA (Em/Ex = 530/485 nm)[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: HBC 530. CAS No. 156840-13-0. Pack Sizes: 1 mg; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-D1373.
H-b-Cyclopropyl-L-Alanine 99+%
H-b-Cyclopropyl-L-Alanine 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 250mg, 1g, 5g. US Biological Life Sciences.
Worldwide
HBD-26
HBD-26 is isolated from Homo sapiens with antibacterial activity. Synonyms: Hemoglobin subunit delta-26.
HBD-27
HBD-27 is isolated from Homo sapiens with antibacterial activity. Synonyms: Hemoglobin subunit delta-27.
HBD-28
HBD-28 is isolated from Homo sapiens with antibacterial activity. Synonyms: Hemoglobin subunit delta-28.
HBDDE
HBDDE is an Inhibitor of PKCα (IC50 = 43 μM) and PKCγ (IC50 = 50 μM). HBDDE induces neuronal apoptosis. Synonyms: 2,2',3,3',4,4'-Hexahydroxy-1,1'-biphenyl-6,6'-dimethanol dimethyl ether; [1,1'-Biphenyl]-2,2',3,3',4,4'-hexol, 6,6'-bis(methoxymethyl)-. Grade: 95%. CAS No. 154675-18-0. Molecular formula: C16H18O8. Mole weight: 338.31.
H-beta-(2-Furyl)-L-alanine. Group: Biochemicals. Alternative Names: 3-L-Ala(2-furyl)-OH. Grades: Highly Purified. CAS No. 127682-08-0. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. US Biological Life Sciences.
Worldwide
H-β-(7-Methoxycoumarin-4-yl)-Ala-OH
H-β-(7-Methoxycoumarin-4-yl)-Ala-OH, a coumarin (O-methylumbelliferon) derivative for protein tagging, is used as a building block. Synonyms: (S)-2-Amino-3-(7-methoxycoumarin-4-yl)-propionic acid; 2H-1-Benzopyran-4-propanoic acid, α-amino-7-methoxy-2-oxo-, (αS)-; 3-(7-Methoxy-2-oxo-2H-chromen-4-yl)-L-alanine. Grade: ≥95%. CAS No. 208660-68-8. Molecular formula: C13H13NO5. Mole weight: 263.25.
H-β-Ala-2-Chlorotrityl Resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-β-Ala-ol-Trt(2-Cl)-Resin; β-Alaninol-Barlos Resin; β-Alaninol 2-chlorotrityl resin; 3-Aminopropanol 2-chlorotrityl resin.