A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
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.
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
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-[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.
A pyridoxal-phosphate protein. This enzyme is specific for L-threonine and can not utilize L-allo-threonine. Different from EC 4.1.2.49, L-allo-threonine aldolase, and EC 4.1.2.48, low-specificity L-threonine aldolase. Group: Enzymes. Synonyms: L-threonine acetaldehyde-lyase. Enzyme Commission Number: EC 4.1.2.5. CAS No. 62213-23-4. 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-4886; L-threonine aldolase; EC 4.1.2.5; 62213-23-4; L-threonine acetaldehyde-lyase. Cat No: EXWM-4886.
L-Threonine Aldolase (Crude Enzyme)
This enzyme belongs to the family of lyases, specifically the aldehyde-lyases, which cleave carbon-carbon bonds. This product with the indicated enzyme activity was briefly purified from engineered E. coli. Group: Enzymes. Synonyms: L-threonine acetaldehyde-lyase. Enzyme Commission Number: EC 4.1.2.5. CAS No. 62213-23-4. Activity: Undetermined. Appearance: Clear to translucent yellow solution. Storage: at -20 °C or lower, for at least 1 month. Source: E. coli. L-threonine acetaldehyde-lyase. Pack: 100ml. Cat No: NATE-1848.
L-Threonine amide hydrochloride
L-Threonine Amide Hydrochloride is used as a reagent in the synthesis of N-monosubstituted [(pyridin-2-yl)methyl]amine and [(pyrimidin-4-yl)methyl]amine derivatives as transient receptor potential cation channel 3 (TRPV3) modulators. Synonyms: L-Thr-NH2 HCl; H-Thr-NH2 HCl; 2-Amino-3-hydroxy-(2S,3R)butanamide monohydrochloride; L-Threoninamide hydrochloride. Grade: ≥ 98%(HPLC). CAS No. 33209-01-7. Molecular formula: C4H10N2O2·HCl. Mole weight: 154.60.
L-Threonine amide hydrochloride
L-Threonine amide hydrochloride. Group: Biochemicals. Alternative Names: L-Thr-NH2·HCl. Grades: Highly Purified. CAS No. 33209-01-7. Pack Sizes: 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
L-Threonine amide hydrochloride 98+%(HPLC)
L-Threonine amide hydrochloride 98+%(HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
L-Threonine benzyl ester oxalate(1:1)
L-Threonine benzyl ester oxalate(1:1). Group: Biochemicals. Grades: Reagent Grade. CAS No. 201274-07-9. Pack Sizes: 5g, 25g, 100g, 250g. US Biological Life Sciences.
L-Threonine beta-naphthylamide. Group: Biochemicals. Alternative Names: L-Thr-bNA; (S)-2-Amino-3-hydroxybutanoic acid b-naphthylamide. Grades: Highly Purified. CAS No. 729-25-9. Pack Sizes: 500mg, 1g, 2g. US Biological Life Sciences.
Worldwide
L-Threonine b-naphthylamide 99+% (TLC)
L-Threonine b-naphthylamide 99+% (TLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 2.5g. US Biological Life Sciences.
Worldwide
L-Threonine BP/EP/FCC/USP
L-Threonine BP/EP/FCC/USP. CAS No. 72-19-5. Molecular formula: C4H9NO3.
L-Threonine-[d5]
L-Threonine-[d5] is a deuterium 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-butanoic acid-d5. Grade: 98% by CP; 98% atom D. Molecular formula: C4H4D5NO3. Mole weight: 124.15.
L-Threonine-[d5,13C4,15N]
L-Threonine-[d5,13C4,15N] is a deuterium, 13C & 15N 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-butanoic acid-d5,13C4,15N. Grade: 98% by CP; 99% atom 13C; 99% atom 15N; 97% atom D. CAS No. 2378755-51-0. Molecular formula: [13C]4H4D5[15N]O3. Mole weight: 129.11.
L-Threonine-[d5,15N]
L-Threonine-[d5,15N] is a deuterium, 15N 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-butanoic acid-d5,15N. Grade: 98% by CP; 98% atom 15N; 97% atom D. Molecular formula: C4H4D5[15N]O3. Mole weight: 125.14.
L-Threonine hydrochloride solution
100 mM amino acid in 0.1 M HCl, analytical standard. Group: Amino acid, peptide & protein standards.
L-threonine kinase
The enzyme is involved in the de novo synthesis of adenosylcobalamin. It is specific for ATP and free L-threonine. In the bacterium Salmonella enterica the activity with CTP, GTP, or UTP is 6, 11, and 3% of the activity with ATP. Group: Enzymes. Synonyms: PduX. Enzyme Commission Number: EC 2.7.1.177. 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-3008; L-threonine kinase; EC 2.7.1.177; PduX. Cat No: EXWM-3008.
L-Threonine,l-a-aspartyl-L-a-glutamyl-L-Leucyl-L-prolyl-L-glutaminyl-L-Leucyl-L-valyl-L-threonyl-L-Leucyl-L-prolyl-L-histidyl-L-prolyl-L-asparaginyl-L-Leucyl-l-histidylglycyl-l-prolyl-l-a-glutamyl-l-. Uses: Designed for use in research and industrial production. Additional or Alternative Names: FIBRONECTIN TYPE III CONNECTING SEGMENT FRAGMENT 1-25;FIBRONECTIN TYPE III CONNECTING SEGMENT FRAGMENT 1-;CS1 peptide;Fibronectin connecting segment 1;L-Threonine, L-alpha-aspartyl-L-alpha-glutamyl-L-leucyl-L-prolyl-L-glutaminyl-L-leucyl-L-valyl-L-threon. Product Category: Heterocyclic Organic Compound. CAS No. 107978-77-8. Molecular formula: C123H195N31O39. Mole weight: 2732.05. Purity: 0.96. IUPACName: FIBRONECTIN TYPE III CONNECTING SEGMENT FRAGMENT 1-25. Product ID: ACM107978778. Alfa Chemistry ISO 9001:2015 Certified.
L-Threonine methyl amide hydrochloride. Group: Biochemicals. Alternative Names: L-Thr-NHMe·HCl. Grades: Highly Purified. CAS No. 176543-45-6. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
L-Threonine methyl amide hydrochloride ≥95%
L-Threonine methyl amide hydrochloride ≥95%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences.
Worldwide
L-Threonine methyl ester hydrochloride
L-Threonine methyl ester is a protected form of L-Threonine. L-Threonine is an essential amino acid that is commonly used as a feed and food additive. L-Threonine is produced in mass quantities by mutant Escherichia coli strains for research and food nutrition purposes. L-Threonine can be naturally found in fish and poultry, and is incorporated in some important proteins in the human body (such as hemoglobin and insulin). Synonyms: L-Thr-OMe HCl; methyl(2S,3R)-2-amino-3-hydroxybutanoate hydrochloride; L-Threonine methyl ester hydrochloride. Grade: ≥ 98% (HPLC). CAS No. 39994-75-7. Molecular formula: C5H11NO3·HCl. Mole weight: 169.60.
L-Threonine methyl ester hydrochloride
L-Threonine methyl ester hydrochloride. Group: Biochemicals. Alternative Names: L-Thr-OMe·HCl. Grades: Highly Purified. CAS No. 39994-75-7. Pack Sizes: 5g, 10g, 25g, 50g, 100g. US Biological Life Sciences.
L-Threonine O-phosphate. Group: Biochemicals. Alternative Names: L-Thr(PO3H2)-OH; L-2-Amino-3-hydroxybutanoic acid 3-phosphate. Grades: Highly Purified. CAS No. 1114-81-4. Pack Sizes: 250mg, 500mg, 1g. US Biological Life Sciences.
Worldwide
L-Threonine O-phosphate 99+% (TLC)
L-Threonine O-phosphate 99+% (TLC). Group: Biochemicals. Grades: Reagent Grade. CAS No. 1114-81-4. Pack Sizes: 100mg, 250mg, 1g, 5g. US Biological Life Sciences.
Worldwide
L-Threonine tert-butyl ester hydrochloride
L-Threonine tert-butyl ester hydrochloride. Group: Biochemicals. Alternative Names: L-Thr-OtBu·HCl. Grades: Highly Purified. CAS No. 69320-90-7. Pack Sizes: 2g, 5g, 10g, 25g. US Biological Life Sciences.
Worldwide
L-Threonine tert-butyl ester hydrochloride
L-Threonine tert-butyl ester is a protected form of L-Threonine. L-Threonine is an essential amino acid that is commonly used as a feed and food additive. L-Threonine is produced in mass quantities by mutant Escherichia coli strains for research and food nutrition purposes. L-Threonine can be naturally found in fish and poultry, and is incorporated in some important proteins in the human body (such as hemoglobin and insulin). Synonyms: L-Thr-OtBu HCl; (2S,3R)-tert-Butyl 2-amino-3-hydroxybutanoate hydrochloride; tert-butyl 2-amino-3-hydroxybutanoate hydrochloride. Grade: ≥ 99.9% (assay). CAS No. 69320-90-7. Molecular formula: C8H17NO3·HCl. Mole weight: 211.69.
L-Threonine tert-butyl ester hydrochloride 99+.9%
L-Threonine tert-butyl ester hydrochloride 99+.9%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
L Threonine USP
L Threonine USP.
CA, FL & NJ
L-Threoninol
L-Threoninol. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g. US Biological Life Sciences.
Worldwide
L-Threoninol
L-Threoninol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: THREONINOL;H-THR-OL;H-L-THR-OL;(2R,3R)-2-AMINO-1,3-BUTANEDIOL;(2S,3R)-2-AMINO-3-HYDROXY-1-BUTANOL. Product Category: Heterocyclic Organic Compound. Appearance: solid. CAS No. 515-93-5. Molecular formula: C4H11NO2. Mole weight: 105.14. Purity: 0.98. Product ID: ACM515935. Alfa Chemistry ISO 9001:2015 Certified. Categories: L-threonineL-allo-threonine acetaldehyde-lyase (glycine-forming).
L-Threoninol(Ac)-8-Octreotide is an impurity of Octreotide, which is a synthetic long-acting cyclic octapeptide used as a more potent inhibitor of growth hormone, glucagon, and insulin than somatostatin. Synonyms: DPhe-Cys-Phe-DTrp-Lys-Thr-Cys-Thr-ol-Ac(Cys2&Cys7 bridge); DPhe-CF-DTrp-KTC-Thr-ol-Ac(Cys2&Cys7 bridge); O1.8-Acetyloctreotide; Octreotide EP Impurity F; D-Phenylalanyl-L-cystyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-L-cystyl-L(Acetyl)-threoninol (Disulfide Bridge between Cys2-Cys7); Octreotide Impurity F; H-D-Phe-Cys-Phe-D-Trp-Lys-Thr-Cys-Ac-Thr-ol (Disulfide bridge: Cys2-Cys7); L-Cysteinamide, D-phenylalanyl-L-cysteinyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-N-[1-[(acetyloxy)methyl]-2-hydroxypropyl]-, cyclic (2→7)-disulfide, [R-(R*,R*)]-; O-Acetyl Octreotide; [O1(AC)]8-Octreotide; (L-Threoninol(Ac)8)-Octreotide. Grade: ≥95%. CAS No. 133304-81-1. Molecular formula: C51H68N10O11S2. Mole weight: 1061.28.
The enzyme is involved in the synthesis of N6-threonylcarbamoyladenosine37 in tRNAs, with the anticodon NNU, i.e. tRNAIle, tRNAThr, tRNAAsn, tRNALys, tRNASer and tRNAArg. Group: Enzymes. Synonyms: yrdC (gene name); Sua5; ywlC (gene name); ATP:L-threonyl,bicarbonate adenylyltransferase. Enzyme Commission Number: EC 2.7.7.87. 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-3300; L-threonylcarbamoyladenylate synthase; EC 2.7.7.87; yrdC (gene name); Sua5; ywlC (gene name); ATP:L-threonyl,bicarbonate adenylyltransferase. Cat No: EXWM-3300.
L-Thyronine is a deiodinated thyroxine. Uses: Scientific research. Group: Natural products. CAS No. 1596-67-4. Pack Sizes: 5 mg; 10 mg; 25 mg; 50 mg. Product ID: HY-113082.
L-Thyronine 98+% (TLC)
L-Thyronine 98+% (TLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences.
Worldwide
L-Thyroxine
L-Thyroxine (Levothyroxine; T4) is a synthetic hormone for the research of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine,T3) from L-Thyroxine (T4) [1]. Uses: Scientific research. Group: Natural products. Alternative Names: Levothyroxine; T4. CAS No. 51-48-9. Pack Sizes: 10 mM * 1 mL; 500 mg. Product ID: HY-18341.
L-Thyroxine
1g Pack Size. Group: Bioactive Small Molecules, Biochemicals, Research Organics & Inorganics. Formula: C15H11I4NO4. CAS No. 51-48-9. Prepack ID 25797978-1g. Molecular Weight 776.87. See USA prepack pricing.