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| Product | Description | |
|---|---|---|
| D-Threonine | As a bifunctional catalyst for asymmetric selective synthesis, D-Threonine are widely used in pharmaceutical, agricultural chemicals, flavors, spices and materials industries. Synonyms: D-Thr-OH; (2R,3S)-2-Amino-3-hydroxybutyric acid. Grades: ≥ 99% (Assay). CAS No. 632-20-2. Molecular formula: C4H9NO3. Mole weight: 119.10. |  |
| D-Threonine | D-Threonine. Group: Biochemicals. Grades: Highly Purified. CAS No. 632-20-2. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. Molecular Formula: C4H9NO3. US Biological Life Sciences. |  Worldwide |
| D-Threonine | D-Threonine (H-D-Thr-OH) is an enantiomer of L-threonine. D-Threonine is a metabolite of Saccharomyces cerevisiae. Uses: Scientific research. Group: Natural products. Alternative Names: H-D-Thr-OH. CAS No. 632-20-2. Pack Sizes: 500 mg. Product ID: HY-W012874. |  |
| D-Threonine | D-threonine is an optically active form of threonine having D-configuration. It has a role as a Saccharomyces cerevisiae metabolite. It is a threonine and a D-alpha-amino acid. It is a conjugate base of a D-threoninium. It is a conjugate acid of a D-threoninate. It is an enantiomer of a L-threonine. It is a tautomer of a D-threonine zwitterion. CAS No. 632-20-2. Product ID: PAP-0003. Molecular formula: C4H9NO3. Category: Amino acid. Product Keywords: Amino Acid Series; D-Threonine; PAP-0003; Amino acid; C4H9NO3; 632-20-2. Color: White. EC Number: 211-171-8. Physical State: Crystals or Crystalline Powder. Solubility: H2O: soluble. Storage: Keep in dark place,Inert atmosphere,Room temperature. Applications: D-Threonine is the unnatural isomer of L-Threonine (T405500) and is known to inhibit growth and cell wall synthesis of Mycobacterium smegmatis. D-Threonine is also used as a synthetic intermediate for the production of chiral antibiotics. Boiling Point: 222.38°C (rough estimate). Melting Point: 274 °C. Density: 1.3126 (rough estimate). Product Description: D-Threonine is the unnatural isomer of L-Threonine (T405500) and is known to inhibit growth and cell wall synthesis of Mycobacterium smegmatis. D-Threonine is also used as a synthetic intermediate for the production of chiral antibiotics. |  |
| D-threonine aldolase | A pyridoxal-phosphate protein that is activated by divalent metal cations (e.g. Co2+, Ni2+, Mn2+ or Mg2+). The reaction is reversible, which can lead to the interconversion of D-threonine and D-allothreonine. Several other D-β-hydroxy-α-amino acids, such as D-β-phenylserine, D-β-hydroxy-α-aminovaleric acid and D-β-3,4-dihydroxyphenylserine, can also act as substrate. Group: Enzymes. Synonyms: D-TA; DTA; low specificity D-TA; low specificity D-threonine aldolase. Enzyme Commission Number: EC 4.1.2.42. 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-4878; D-threonine aldolase; EC 4.1.2.42; D-TA; DTA; low specificity D-TA; low specificity D-threonine aldolase. Cat No: EXWM-4878. |  |
| D-Threonine Aldolase (Crude Enzyme) | This product with the indicated enzyme activity was briefly purified from engineered E. coli. Applications: Medicine. Group: Enzymes. Synonyms: D-TA; DTA; low specificity D-TA; low specificity D-threonine aldolase. Enzyme Commission Number: EC 4.1.2.42. CAS No. 87588-22-5. Activity: Undetermined. Appearance: Clear to translucent yellow solution. Storage: at -20 °C or lower, for at least 1 month. Source: E. coli. D-TA; DTA; low specificity D-TA; low specificity D-threonine aldolase. Pack: 100ml. Cat No: NATE-1847. | |
| D-Threonine, allo-free 99+% | D-Threonine, allo-free 99+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 5g, 25g, 100g, 250g, 1Kg. US Biological Life Sciences. | Worldwide |
| D-Threonine benzyl ester hydrochloride | D-Threonine benzyl ester hydrochloride. Group: Biochemicals. Alternative Names: D-Thr-OBzl·HCl. Grades: Highly Purified. Pack Sizes: 1g, 2g, 5g, 10g, 25g. US Biological Life Sciences. | Worldwide |
| D-Threonine benzyl ester hydrochloride 99+% (HPLC) | D-Threonine benzyl ester hydrochloride 99+% (HPLC). Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences. | Worldwide |
| D-Threonine benzyl ester oxalate | Synonyms: H-D-Thr-OBzl (COOH)2; (2R,3S)-2-Amino-3-hydroxybutanoic acid benzyl ester oxalate. CAS No. 201274-09-1. Molecular formula: C13H17NO7. Mole weight: 299.28. | |
| D-Threonine methyl ester | Synonyms: D-Threonine, methyl ester. CAS No. 82679-55-8. Molecular formula: C5H11NO3. Mole weight: 133.15. | |
| D-Threonine methyl ester hydrochloride | D-Threonine methyl ester hydrochloride. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 1g, 5g, 25g, 100g. US Biological Life Sciences. | Worldwide |
| D-Threonine methyl ester hydrochloride | Synonyms: D-Thr-OMe HCl; (2R,3S)-Methyl 2-amino-3-hydroxybutanoate hydrochloride. Grades: ≥ 98% (HPLC). CAS No. 60538-15-0. Molecular formula: C5H11NO3·HCl. Mole weight: 169.60. | |
| Boc-D-threonine | Synonyms: Boc-D-Thr-OH; N-(tert-Butoxycarbonyl)-D-threonine. Grades: ≥ 98% (HPLC). CAS No. 55674-67-4. Molecular formula: C9H17NO5. Mole weight: 219.20. | |
| N-Acetyl-D-threonine | Synonyms: Ac-D-Thr-OH; D-Threonine, N-acetyl-; N-acetyl-(2R,3S)-threonine; acetyl-D-threonine. Grades: >95% by HPLC. CAS No. 197302-88-8. Molecular formula: C6H11NO4. Mole weight: 161.16. | |
| N-Benzoyl-D-threonine | Synonyms: D-Threonine, N-benzoyl-; (2R,3S)-2-Benzoylamino-3-hydroxy-butyric acid; Bz-D-Thr-OH; benzoyl-D-threonine. Grades: >95% by HPLC. CAS No. 906324-06-9. Molecular formula: C11H13NO4. Mole weight: 223.22. | |
| N-Methyl-D-threonine | Synonyms: D-Threonine, N-Methyl-; N-methyl-D(S)-threonine; (2R,3S)-N-methylthreonine; Me-D-Thr-OH; methyl-D-threonine. Grades: >95% by HPLC. CAS No. 2812-27-3. Molecular formula: C5H11NO3. Mole weight: 133.15. | |
| 3-hydroxy acid dehydrogenase | The enzyme, purified from the bacterium Escherichia coli and the yeast Saccharomyces cerevisiae, shows activity with a range of 3- and 4-carbon 3-hydroxy acids. The highest activity is seen with L-allo-threonine and D-threonine. The enzyme from Escherichia coli also shows high activity with L-serine, D-serine, (S)-3-hydroxy-2-methylpropanoate and (R)-3-hydroxy-2-methylpropanoate. The enzyme has no activity with NAD+ or L-threonine (cf. EC 1.1.1.103, L-threonine 3-dehydrogenase). Group: Enzymes. Synonyms: ydfG (gene name); YMR226c (gene name). Enzyme Commission Number: EC 1.1.1.381. 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-0300; 3-hydroxy acid dehydrogenase; EC 1.1.1.381; ydfG (gene name); YMR226c (gene name). Cat No: EXWM-0300. | |
| 3-hydroxy-D-aspartate aldolase | A pyridoxal-phosphate protein. The enzyme, purified from the bacterium Paracoccus denitrificans IFO 13301, is strictly D-specific as to the α-position of the substrate, but accepts both the threo and erythro forms at the β-position. The erythro form is a far better substrate (about 100-fold). The enzyme can also accept D-allothreonine, D-threonine, erythro-3-phenyl-D-serine and threo-3-phenyl-D-serine. Different from EC 4.1.3.14, erythro-3-hydroxy-L-aspartate aldolase. Requires a divalent cation, such as Mg2+, Mn2+ or Co2+. Group: Enzymes. Synonyms: D-3-hydroxyaspartate aldolase. Enzyme Commission Number: EC 4.1.3.41. 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-4918; 3-hydroxy-D-aspartate aldolase; EC 4.1.3.41; D-3-hydroxyaspartate aldolase. Cat No: EXWM-4918. | |
| Boc-D-Thr(Bzl)-OH | Standard building block for introduction of D-threonine amino-acid residues by Boc SPPS. Uses: Peptide synthesis. Additional or Alternative Names: Boc-D-Thr(Bzl)-OH, N-α-t.-Boc-O-benzyl-D-threonine / (2R,3S). Product Category: Amino Acids. CAS No. 69355-99-3. Mole weight: 309.36. Product ID: ACM69355993. Alfa Chemistry ISO 9001:2015 Certified. Categories: (2R,3S)-3-(benzyloxy)-2-{[(tert-butoxy)carbonyl]amino}butanoic acid. |  |
| D-O-Phospho threonine | D-O-Phospho threonine. Group: Biochemicals. Alternative Names: D-Threonine dihydrogen phosphate(ester); D-O-Phosphothreonine. Grades: Highly Purified. CAS No. 96193-69-0. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C4H10NO6P. US Biological Life Sciences. | Worldwide |
| D-serine ammonia-lyase | A pyridoxal-phosphate protein. The enzyme cleaves a carbon-oxygen bond, releasing a water molecule (hence the enzyme's original classification as EC 4.2.1.14, D-serine dehydratase) and an unstable enamine product that tautomerizes to an imine form, which undergoes a hydrolytic deamination to form pyruvate and ammonia. The latter reaction, which can occur spontaneously, can also be catalysed by EC 3.5.99.10, 2-iminobutanoate/2-iminopropanoate deaminase. Also acts, slowly, on D-threonine. Group: Enzymes. Synonyms: D-hydroxyaminoacid dehydratase; D-serine dehydrase; D-hydroxy amino acid dehydratase; D-serine hydrolase; D-serine dehydratase (deaminating); D-serine deaminase; D-serine hydro-lyase (deaminating). Enzyme Commission Number: EC 4.3.1.18. CAS No. 9015-88-7. 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-5278; D-serine ammonia-lyase; EC 4.3.1.18; 9015-88-7; D-hydroxyaminoacid dehydratase; D-serine dehydrase; D-hydroxy amino acid dehydratase; D-serine hydrolase; D-serine dehydratase (deaminating); D-serine deaminase; D-serine hydro-lyase (deaminating). Cat No: EXWM-5278. | |
| Fmoc-D-Thr-OH | Standard building block of introduction of D-threonine amino-acid residues by Fmoc SPPS. Uses: Peptide synthesis. Additional or Alternative Names: Fmoc-D-Thr-OH, N-α-Fmoc-D-threonine / (2R,3S). Product Category: Amino Acids. CAS No. 157355-81-2. Mole weight: 341.36. Product ID: ACM157355812-1. Alfa Chemistry ISO 9001:2015 Certified. Categories: (2R,3S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxybutanoic acid. | |
| Fmoc-D-Thr(tBu)-OH | Standard building block of introduction of D-threonine amino-acid residues by Fmoc SPPS. Uses: Peptide synthesis. Additional or Alternative Names: Fmoc-D-Thr(tBu)-OH, N-α-Fmoc-O-t.-butyl-D-threonine / (2R,3S). Product Category: Amino Acids. CAS No. 138797-71-4. Molecular formula: C23H27NO5. Mole weight: 397.46. Product ID: ACM138797714. Alfa Chemistry ISO 9001:2015 Certified. Categories: (2R,3S)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid. | |
| Fmoc-D-Thr(Trt)-OH | Standard building block of introduction of D-threonine amino-acid residues by Fmoc SPPS. Uses: Peptide synthesis. Additional or Alternative Names: Fmoc-D-Thr(Trt)-OH, N-α-Fmoc-O-trityl-D-threonine / (2R,3S). Product Category: Amino Acids. CAS No. 682800-84-6. Mole weight: 583.67. Product ID: ACM682800846-1. Alfa Chemistry ISO 9001:2015 Certified. | |
| Azobenzene Phosphoramidite | Azobenzene phosphoramidite, a synthetic molecule utilized in biomedicine to modify the DNA and RNA, is a photoswitch aiding light-dependent control of gene expression. Researched to treat cancer, viral infections and neurological disorders, Azobenzene phosphoramidite proves promising. Synonyms: 3-O-(Dimethoxytrityl)-2-N-(4-carboxyazobenzene)-D-threonin-1-yl-O-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite. Molecular formula: C47H54N5O6P. Mole weight: 815.94. | |
| D-Threoninamide | Cas No. 2280-40-2. Molecular formula: C4H10N2O2. Mole weight: 118.1. | |
| D-Threoninol | D-Threoninol. Group: Biochemicals. Grades: Reagent Grade. CAS No. 44520-55-0. Pack Sizes: 1g, 5g. US Biological Life Sciences. | Worldwide |
| D-Threoninol | Synonyms: D-Thr-ol; (2S,3S)-2-Amino-1,3-butanediol. Grades: ≥ 97%. CAS No. 44520-55-0. Molecular formula: C4H11NO2. Mole weight: 105.14. | |
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