A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Purity (Titration): Group: Biochemicals. Grades: ACS Grade. CAS No. 87-69-4. Pack Sizes: 100g, 500g, 1Kg, 5Kg, 10Kg. US Biological Life Sciences.
Worldwide
L-(+)-Tartaric acid FCC, 99.7%
L-(+)-Tartaric acid FCC, 99.7%. CAS No: 87-69-4
Sarchem Laboratories New Jersey NJ
L(+)-tartrate dehydratase
The enzyme exists in an inactive low-molecular-mass form, which is converted into active enzyme in the presence of Fe2+ and thiol. cf. EC 4.2.1.81 D(-)-tartrate dehydratase. Group: Enzymes. Synonyms: tartrate dehydratase; tartaric acid dehydrase; L-tartrate dehydratase; L-(+)-tartaric acid dehydratase; (R,R)-tartrate hydro-lyase. Enzyme Commission Number: EC 4.2.1.32. CAS No. 9014-40-8. 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-5023; L(+)-tartrate dehydratase; EC 4.2.1.32; 9014-40-8; tartrate dehydratase; tartaric acid dehydrase; L-tartrate dehydratase; L-(+)-tartaric acid dehydratase; (R,R)-tartrate hydro-lyase. Cat No: EXWM-5023.
LtaS-IN-1
LtaS-IN-1 (compound 1771) is a potent small-molecule inhibitor of Lipoteichoic acid (LTA) synthesis in multidrug-resistant (MDR) E. faecium and by altering the cell wall morphology. LtaS-IN-1 alone inhibits Enterococcus.spp 28 strains with varying MIC values ranging from 0.5 ?g/mL to 64 ?g/mL. LtaS-IN-1 combination with antibiotics abolishs multidrug-resistant E. faecium growth almost completely[1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 877950-01-1. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 50 mg; 100 mg. Product ID: HY-135813.
L-Tetrahydropalmatine. Group: Biochemicals. Alternative Names: (S)-form; Rotundine. Grades: Plant Grade. CAS No. 483-14-7. Pack Sizes: 20mg. Molecular Formula: C21H25NO4, Molecular Weight: 355.428. US Biological Life Sciences.
Worldwide
L-Tetrandrine
L-Tetrandrine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: L-TETRANDRINE;PHAENTHINE. Product Category: Heterocyclic Organic Compound. CAS No. 1263-79-2. Molecular formula: C38H42N2O6. Mole weight: 622.75. Product ID: ACM1263792. Alfa Chemistry ISO 9001:2015 Certified. Categories: (-)-Tetrandrine.
L-Theanine
L-Theanine. CAS No. 3081-61-6. Molecular formula: C7H14N2O3.
L-Theanine
L-Theanine - Product ID: NST-10-145. Category: Alkaloids. Alternative Names: N-Ethyl-L-glutamine, (S)-2-Amino-5-(ethylamino)-5-oxopentanoic acid, L-Theanine, Suntheanine, Theanin, Theanine. Purity: 98%. Test method: HPLC. CAS No. 3081-61-6. Pack Sizes: 10g, 20g, 50g, 100g. Appearance: White to beige colored Powder. Molecular formula: C7H14N2O3. Mole weight: 174.2. Storage: +2 +8 °C.
L-Theanine
L-Theanine. Categories: l-theanine; 3081-61-6.
CA, FL & NJ
L-Theanine
L-Theanine (L-Glutamic Acid γ-ethyl amide) is a non-protein amino acid contained in green tea leaves, which blocks the binding of L-glutamic acid to glutamate receptors in the brain, and with neuroprotective, anticancer and anti-oxidative activities. L-Theanine can pass through the blood - brain barrier and is orally active [1] [2] [3]. Uses: Scientific research. Group: Natural products. Alternative Names: L-Glutamic Acid γ-ethyl amide; Nγ-Ethyl-L-glutamine. CAS No. 3081-61-6. Pack Sizes: 10 mM * 1 mL; 100 mg; 200 mg. Product ID: HY-15121.
L-Theanine
L-Theanine is a glutamine analog found in the green tea plant. It can bind to glutamate receptors and inhibit glutamate transporters, which exhibits a neuroprotective effect. It promotes self-renewal of human embryonic stem cells (hESCs). Uses: L-theanine, an amino acid found primarily in tea leaves, has been widely recognized for its potential applications in drug discovery and development. this natural compound has been widely studied for its various health benefits, including its ability to promote relaxation, reduce stress, and improve cognitive function. in recent years, scientists have begun to explore l-theanine's potential in dru. Synonyms: N-Ethyl-L-glutamine; Theanin; Suntheanine; (S)-2-Amino-5-(ethylamino)-5-oxopentanoic acid; N5-Ethyl-L-glutamine. CAS No. 3081-61-6. Molecular formula: C7H14N2O3. Mole weight: 174.20.
L-Theanine
A non-protein amino acid mainly found naturally in the green tea plant. It may have activity in modulating the metabolism of cancer chemotherapeutics agents. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 250mg. US Biological Life Sciences.
L-Theanine-[N-ethyl-d5]. Synonyms: L-Theanine-d5 (N-ethyl-d5). Grade: 99% atom D. CAS No. 1217451-85-8. Molecular formula: C7H9D5N2O3. Mole weight: 179.23.
L-Theanine (N-Ethyl-L-glutamine)
A non-protein amino acid mainly found naturally in the green tea plant. It may have activity in modulating the metabolism of cancer chemotherapeutics agents. Group: Biochemicals. Alternative Names: N-Ethyl-L-glutamine; Nγ-Ethyl-L-glutamine; Suntheanine; Theanin; Theanine; NSC 21308. Grades: Highly Purified. CAS No. 3081-61-6. Pack Sizes: 10g, 25g, 50g, 100g, 250g. Molecular Formula: C?H??N?O?, Molecular Weight: 174.2. US Biological Life Sciences.
Worldwide
L-Theanine (Standard)
L-Theanine (Standard) is the analytical standard of L-Theanine. This product is intended for research and analytical applications. L-Theanine (L-Glutamic Acid γ-ethyl amide) is a non-protein amino acid contained in green tea leaves, which blocks the binding of L-glutamic acid to glutamate receptors in the brain, and with neuroprotective, anticancer and anti-oxidative activities. L-Theanine can pass through the blood - brain barrier and is orally active [1] [2] [3]. Uses: Scientific research. Group: Natural products. CAS No. 3081-61-6. Pack Sizes: 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-15121R.
L-Thiaproline ≥98.5%
L-Thiaproline ≥98.5%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 25g, 100g, 500g, 1Kg. US Biological Life Sciences.
Worldwide
L-Thiazolidin-2-one-4-carboxylic acid
L-Thiazolidin-2-one-4-carboxylic acid. Group: Biochemicals. Alternative Names: L-2-Oxothiazolidine-4-carboxylic acid; (R)-2-Oxothiazolidine-4-carboxylic acid. Grades: Highly Purified. CAS No. 19771-63-2. Pack Sizes: 2g, 5g, 10g, 25g, 50g. US Biological Life Sciences.
Worldwide
L-Thiazolidin-2-one-4-carboxylic acid ≥95% (NMR)
L-Thiazolidin-2-one-4-carboxylic acid ≥95% (NMR). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L(-)-Thiazolidine-4-carboxylic acid
L(-)-Thiazolidine-4-carboxylic acid. Group: Biochemicals. Grades: Highly Purified. CAS No. 34592-47-7. Pack Sizes: 100g, 250g, 500g, 1kg, 2kg. US Biological Life Sciences.
L-Thioproline. Uses: Designed for use in research and industrial production. CAS No. 34592-47-7. Purity: 0.95. Product ID: ACM34592477-1. Alfa Chemistry ISO 9001:2015 Certified.
L-Thioproline
L-Thioproline is a proline derivative [1]. Uses: Scientific research. Group: Peptides. CAS No. 34592-47-7. Pack Sizes: 100 g; 500 g. Product ID: HY-W012676.
L-Thioproline
Timonacic is a cyclic sulfur amino acid derivative with potential antineoplastic and antioxidant activities. Acting on cellular membranes of malignant cells through an unknown mechanism, timonacic may induce malignant cells to revert back to an untransformed state. This agent may also restore contact inhibition, a phenomenon characterized by the paracrine inhibition of mitosis following the formation of a critical cell mass, presumably the result of cell-to-cell signal transfer. Timonacic may also produce antioxidant effects secondary to its release of cysteine and restoration of glutathione concentrations. Alternative Names: L-Thioproline. (R)-Thiazolidine-4-carboxylic acid. L-4-Thiazolidinecarboxylic acid. H-Thz-OH. CAS No. 34592-47-7. Product ID: PIPB-0769. Molecular formula: C4H7NO2S. Mole weight: 133.17. EINECS: 252-106-3. SMILES: C1[C@H](NCS1)C(=O)O. Appearance: White powder. Category: Peptide APIs.
L-Threo-2-imino-3,4-dimethyl-5-phenylthiazolidine monohydrochloride. Uses: Designed for use in research and industrial production. Additional or Alternative Names: (4S)-3,4r-dimethyl-5t-phenyl-thiazolidin-2-one-imine,hydrochloride; Benzeneaceticacid,4-[[3,3-diethyl-1-[[[1-(4-methylphenyl)butyl]amino]carbonyl]-4-oxo-2-azetidinyl]oxy]-,[S-(R*,S*)]; (4S)-3,4r-Dimethyl-5t-phenyl-thiazolidin-2-on-imin,Hydrochlorid; Benze. Product Category: Heterocyclic Organic Compound. CAS No. 2218-25-9. Molecular formula: C11H14N2S.HCl. Mole weight: 242.7682. Purity: 0.96. IUPACName: 3,4-dimethyl-5-phenyl-1,3-thiazolidin-2-imine;hydrochloride. Canonical SMILES: CC1C(SC(=N)N1C)C2=CC=CC=C2.Cl. Density: g/cm³. ECNumber: 218-719-5. Product ID: ACM2218259. Alfa Chemistry ISO 9001:2015 Certified. Categories: Thiadrine hydrochloride.
L-threo-3-deoxy-hexylosonate aldolase
The enzyme takes part in a D-galacturonate degradation pathway in the fungi Aspergillus niger and Trichoderma reesei (Hypocrea jecorina). Group: Enzymes. Synonyms: GAAC; LGA1. Enzyme Commission Number: EC 4.1.2.54. 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-4891; L-threo-3-deoxy-hexylosonate aldolase; EC 4.1.2.54; GAAC; LGA1. Cat No: EXWM-4891.
L-(-)-threo-3-Hydroxyaspartic acid
L-(-)-threo-3-Hydroxyaspartic acid. Group: Biochemicals. Grades: Purified. CAS No. 7298-99-9. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
L-threo-3-Hydroxyaspartic acid
L-threo-3-Hydroxyaspartic acid is a potent EAAT inhibitor with K i s of 11, 19 and 14 μM for EAAT1, EAAT2 and EAAT3, respectively in HEK293 cell lines [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 7298-99-9. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-100801.
L-(-)-Threo-3-hydroxyaspartic acid
L-(-)-Threo-3-hydroxyaspartic acid. Uses: Designed for use in research and industrial production. Additional or Alternative Names: L-(-)-THREO-3-HYDROXYASPARTIC ACID;L-(-)-THREO-BETA-HYDROXYASPARTIC ACID. Product Category: Heterocyclic Organic Compound. CAS No. 7298-99-9. Molecular formula: C4H7NO5. Mole weight: 149.1021. Density: 1.738 g/cm³. Product ID: ACM7298999. Alfa Chemistry ISO 9001:2015 Certified.
L-threo-α-Phenyl-
L-threo-α-Phenyl-. Group: Biochemicals. Alternative Names: (αS,2S)-α-phenyl-2-piperidineacetamide, α-phenyl-. Grades: Highly Purified. CAS No. 160707-38-0. Pack Sizes: 5mg. Molecular Formula: C13H18N2O, Molecular Weight: 218.29. US Biological Life Sciences.
Worldwide
L-threo-β-Hydroxyaspartic acid
L-threo-β-Hydroxyaspartic acid is an amino acid antibiotic produced by Arthrinium phaeospermum T-53 and Streptomyces sp. 7540-MC1. It has the activity of inhibiting Bacillus subtilis, Xanthomonas oryzae, Mycobacterium phlei and Botrytis cinerea. Synonyms: (3R)-3-hydroxy-L-aspartic acid; Erythro-beta-hydroxy-L-aspartic acid; erythro-beta-Hydroxyaspartic acid; (3R)-3-Hydroxyaspartate. Grade: 95%. CAS No. 7298-98-8. Molecular formula: C4H7NO5. Mole weight: 149.10.
L-(+)-threo-chloramphenicol
L-(+)-threo-chloramphenicol. Group: Biochemicals. Alternative Names: 2, 2-Dichloro-N-[ (1S, 2S) -2-hydroxy-1- (hydroxymethyl) -2- (4-nitrophenyl) ethyl]acetamide; (+)-Chloramphenicol; (1S,2S)-2-(2,2-Dichloroacetamido)-1-(4-nitrophenyl)-1,3-propanediol. Grades: Highly Purified. CAS No. 134-90-7. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. Molecular Formula: C11H12Cl2N2O5. US Biological Life Sciences.
Worldwide
L-threo-Dihydrosphingosine
L-threo-Dihydrosphingosine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: L-threo-Sphinganine. Appearance: Solid. CAS No. 15639-50-6. Molecular formula: C18H39NO2. Mole weight: 301. Purity: 0.98. Product ID: ACM15639506. Alfa Chemistry ISO 9001:2015 Certified. Categories: SAFINGOL.
L-threo-droxidopa. Group: Biochemicals. Alternative Names: Droxidopa; L-threo 3,4-Dihydroxyphenylserine. Grades: Highly Purified. CAS No. 23651-95-8. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C9H11NO5. US Biological Life Sciences.
Worldwide
L-threo-methylphenidate hydrochloride
L-threo-methylphenidate hydrochloride. Group: Biochemicals. Alternative Names: (2S,2'S)-(-)-threo-methyl a-phenyl-a-(2-piperidyl)acetate hydrochloride. Grades: Highly Purified. CAS No. 40572-71-2. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C14H20ClNO2. US Biological Life Sciences.
Worldwide
L-threonate 3-dehydrogenase
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is L-threonate:NAD+ 3-oxidoreductase. Other names in common use include threonate dehydrogenase, and L-threonic acid dehydrogenase. This enzyme participates in ascorbate and aldarate metabolism. Group: Enzymes. Synonyms: threonate dehydrogenase; L-threonic acid dehydrogenase. Enzyme Commission Number: EC 1.1.1.129. CAS No. 37250-59-2. 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-0032; L-threonate 3-dehydrogenase; EC 1.1.1.129; 37250-59-2; threonate dehydrogenase; L-threonic acid dehydrogenase. Cat No: EXWM-0032.
L-Threonic acid calcium salt 99+%
L-Threonic acid calcium salt 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-Threonic acid magnesium
L-Threonic acid magnesium salt is the enantiomer of Threonic acid and a metabolite of vitamin C. L-Ascorbic acid (L-Ascorbate), an electron donor, is an endogenous antioxidant agent [1]. Uses: Scientific research. Group: Signaling pathways. Alternative Names: Magnesium L-threonate. CAS No. 778571-57-6. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-134240.
L-Threoninamide
L-Threoninamide. CAS No. 49705-99-9. Molecular formula: C4H10N2O2. Mole weight: 118.1.
100g Pack Size. Group: Amino Acids. Formula: C4H9NO3. CAS No. 72-19-5. Prepack ID 29578582-100g. Molecular Weight 119.12. See USA prepack pricing.
L-Threonine
L-Threonine is a natural amino acid, can be produced by microbial fermentation, and is used in food, medicine, or feed [1] [2]. Uses: Scientific research. Group: Natural products. CAS No. 72-19-5. Pack Sizes: 10 mM * 1 mL; 100 mg. Product ID: HY-N0658.
L-Threonine
It has a role as a nutraceutical, a micronutrient, a Saccharomyces cerevisiae metabolite, a plant metabolite, an Escherichia coli metabolite, a human metabolite, an algal metabolite and a mouse metabolite. Alternative Names: threonine. (2S,3R)-2-amino-3-hydroxybutanoic acid. Threonin. CAS No. 72-19-5. Product ID: API72195. Molecular formula: C4H9NO3. Mole weight: 119.12. EINECS: 200-774-1. SMILES: C[C@H]([C@@H](C(=O)O)N)O. Appearance: White crystalline powder. Standard: USP/EP. Category: Amino acids and derivatives.
L-Threonine
L-Threonine is an essential amino acid found in high-protein foods. Protein supplement in health care products. Uses: Ingredient of health care products. Synonyms: Threonine; H-Thr-OH; Threonin. Grade: 98%. CAS No. 72-19-5. Molecular formula: C4H9NO3. Mole weight: 119.12.
L-Threonine
L-enantiomer. Group: Biochemicals. Alternative Names: (S)-Threonine; H-Thr-OH; 2-Amino-3-hydroxybutyric Acid. Grades: Cell Culture Grade. CAS No. 72-19-5. Pack Sizes: 100g, 250g, 500g, 1Kg, 2.5Kg, 10Kg. US Biological Life Sciences.
Worldwide
L-Threonine
500g Pack Size. Group: Amino Acids. Formula: C4H9NO3. CAS No. 72-19-5. Prepack ID 29578582-500g. Molecular Weight 119.12. See USA prepack pricing.
L-Threonine-[1-13C] is a 13C labelled L-Threonine and it is a useful research chemical compound. Uses: The labelled l-enantiomer. Synonyms: (2S,3R)-2-amino-3-hydroxy-1-13C-butanoic acid; L-Threonine-13C. Grade: 98% by CP; 99% atom 13C. CAS No. 81202-08-6. Molecular formula: C3[13C]H9NO3. Mole weight: 120.11.
L-Threonine-[13C4]
L-Threonine-[13C4] is a 13C labelled L-Threonin. L-Threonine is a natural amino acid, can be produced by microbial fermentation, and is used in food, medicine, or feed. Synonyms: (2S,3R)-2-amino-3-hydroxy-13C4-butanoic acid. Grade: 98% by CP; 97% atom 13C. CAS No. 55443-53-3. Molecular formula: [13C]4H9NO3. Mole weight: 123.09.
L-Threonine-[13C4,15N]
L-Threonine-[13C4,15N] is a 13C & 15N labelled L-Threonin. L-Threonin is a natural amino acid, can be produced by microbial fermentation, and is used in food, medicine, or feed. Grade: 98% by HPLC; 98% atom 13C, 98% atom 15N. CAS No. 202468-39-1. Molecular formula: [13C]4H9[15N]O3. Mole weight: 124.08.
L-Threonine-13C4,15N
98 atom % 13C, 98 atom % 15N. Group: Fluorescence/luminescence spectroscopy.
L-Threonine-15N
98 atom % 15N, 98% (CP). Group: Fluorescence/luminescence spectroscopy.
L-Threonine-[15N]
L-Threonine-[15N] is a labelled L-Threonine. Threonine is an essential amino acid for humans that is synthesized from aspartate in bacteria. Synonyms: (2S,3R)-2-azanyl-3-hydroxybutanoic acid-15N. Grade: 98% by HPLC; 98% atom 15N. CAS No. 80681-09-0. Molecular formula: C4H9[15N]O3. Mole weight: 120.11.
L-Threonine-[2,3-d2]
L-Threonine-[2,3-d2] is a labelled L-Threonine. Threonine is an essential amino acid for humans that is synthesized from aspartate in bacteria. Synonyms: (2S,3R)-2-Amino-3-hydroxybutyric Acid-d2; H-L-Thr-OH-d2. Grade: 95% by HPLC; 98% atom D. CAS No. 1202936-45-5. Molecular formula: C4H7D2NO3. Mole weight: 121.13.
L-threonine 3-dehydrogenase
This enzyme acts in concert with EC 2.3.1.29, glycine C-acetyltransferase, in the degradation of threonine to glycine. This threonine-degradation pathway is common to prokaryotic and eukaryotic cells and the two enzymes involved form a complex. In aqueous solution, the product L-2-amino-3-oxobutanoate can spontaneously decarboxylate to form aminoacetone. Group: Enzymes. Synonyms: L-threonine dehydrogenase; threonine 3-dehydrogenase; threonine dehydrogenase; TDH. Enzyme Commission Number: EC 1.1.1.103. CAS No. 9067-99-6. 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-0006; L-threonine 3-dehydrogenase; EC 1.1.1.103; 9067-99-6; L-threonine dehydrogenase; threonine 3-dehydrogenase; threonine dehydrogenase; TDH. Cat No: EXWM-0006.
L-Threonine-[4-13C,2,3-d2]
L-Threonine-[4-13C,2,3-d2] is a labelled L-Threonine. Threonine is an essential amino acid for humans that is synthesized from aspartate in bacteria. Grade: 98% by HPLC; 97% atom 13C, 98% atom D. CAS No. 1449582-87-9. Molecular formula: C14[13C]H9D2I4NO4. Mole weight: 122.12.