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Chromanol 293B. Group: Biochemicals. Grades: Purified. CAS No. 163163-23-3. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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Chromanol 293B
Chromanol 293B is a specific slow delayed rectifier K+ current (IKs) blocker with an IC50 value of 6.89 μM in xenopus oocytes expressing rat. It shows no activity at rat Kv1.1 or Kir2.1 channels at a concentration of 30 μM. It inhibits cystic fibrosis transmembrane conductance regulator (CTFR) Cl- currents (ICTFR) with an IC50 value of 19 μM in xenopus oocytes expressing human CTFR. It increases the extent and rate of IKs in guinea pig ventricular cells in a dose-dependent manner. It is a useful research chemical. Uses: Potassium channel blockers. Synonyms: rel-N-[(3R,4S)-6-cyano-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran-4-yl]-N-methyl-ethanesulfonamide; rel-N-[(3R,4S)-6-Cyano-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran-4-yl]-N-methylethanesulfonamide; trans-N-[6-Cyano-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran-4-yl]-N-methyl-ethanesulfonamide. Grades: ≥99% by HPLC. CAS No. 163163-23-3. Molecular formula: C15H20N2O4S. Mole weight: 324.39.
(-)-[3R,4S]-Chromanol 293B
(-)-[3R,4S]-Chromanol 293B. Group: Biochemicals. Grades: Purified. CAS No. 163163-24-4. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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(-)-[3R,4S]-Chromanol 293B
(-)-[3R,4S]-Chromanol 293B is one of the chromanols, which inhibits cAMP-mediated Cl- secretion in colon crypts by a blockade of a cAMP-activated K+ conductance. It selectively inhibits the slow component of delayed rectifier K+ current. It has negligible inhibitory action at KV11.1 (hERG) channels. It may be a useful research chemical. Uses: Potassium channel blockers. Synonyms: N-[(3R,4S)-6-Cyano-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran-4-yl]-N-methylethanesulfonamide. Grades: ≥99% by HPLC. CAS No. 163163-24-4. Molecular formula: C15H20N2O4S. Mole weight: 324.39.
(2R,4'R,8'S)-α-Tocopherol
(2R,4'R,8'S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2R)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (R,R,S)-alpha-Tocopherol; (2R)-2,5,7,8-Tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-, (2R)-. Grades: >98%. CAS No. 78656-12-9. Molecular formula: C29H50O2. Mole weight: 430.70.
(2R,4'S,8'R)-α-Tocopherol
(2R,4'S,8'R)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2R)-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-6-chromanol; (R,S,R)-Alpha-Tocopherol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-, (2R)-; (2R)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol. CAS No. 78656-13-0. Molecular formula: C29H50O2. Mole weight: 430.70.
(2R,4'S,8'S)-α-Tocopherol
(2R,4'S,8'S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2R)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (2R)-2,5,7,8-Tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-, (2R)-; (R,S,S)-Alpha-Tocopherol. CAS No. 77171-98-3. Molecular formula: C29H50O2. Mole weight: 430.70.
(2S,4'R,8'R)-α-Tocopherol
(2S,4'R,8'R)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (2S)-2,5,7,8-Tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2S)-. CAS No. 18920-63-3. Molecular formula: C29H50O2. Mole weight: 430.70.
(2S,4'R,8'S)-α-Tocopherol
(2S,4'R,8'S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (S,R,S)-α-Tocopherol; (2S)-2,5,7,8-Tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8S)-4,8,12-trimethyltridecyl]-, (2S)-. CAS No. 79434-83-6. Molecular formula: C29H50O2. Mole weight: 430.70.
(2S,4'S,8'R)-α-Tocopherol
(2S,4'S,8'R)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (S,S,R)-α-Tocopherol; (2S)-2,5,7,8-Tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4S,8R)-4,8,12-trimethyltridecyl]-, (2S)-. CAS No. 79434-82-5. Molecular formula: C29H50O2. Mole weight: 430.70.
(2S,4'S,8'S)-α-Tocopherol
(2S,4'S,8'S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-, (2S)-; (2S)-2,5,7,8-Tetramethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-6-chromanol. CAS No. 77171-97-2. Molecular formula: C29H50O2. Mole weight: 430.70.
(2S,4'S,8'S)-β-Tocopherol
(2S,4'S,8'S)-β-Tocopherol is a stereoisomer of one of the naturally occurring forms of Vitamin E. Synonyms: (S,S,S)-β-Tocopherol; (S)-2,5,8-trimethyl-2-((4S,8S)-4,8,12-trimethyltridecyl)chroman-6-ol; (2S)-2,5,8-Trimethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-3,4-dihydro-2H-1-benzopyran-6-ol; (2S)-2,5,8-Trimethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,8-trimethyl-2-[(4S,8S)-4,8,12-trimethyltridecyl]-, (2S)-. Molecular formula: C28H48O2. Mole weight: 416.68.
(2S)-α-Tocopherol (Mixture of Diastereomers)
(2S)-α-Tocopherol is one of the 8 stereoisomers contained in the racemic mixture of synthetic α-Tocopherol, a vitamin E substitute. Synonyms: (2S)-2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, (2S)-; (2S)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (2S,4'RS,8'RS)-α-Tocopherol. CAS No. 1411583-24-8. Molecular formula: C29H50O2. Mole weight: 430.70.
a-DL-Tocopherol Acetate (Vitamin E Acetate)
A form of Vitamin E used in nutritional and dietary supplements. Tocopherols (TCP) (vitamin E) are a series (α, β, γ and δ) of chiral organic molecules that vary in their degree of methylation of the phenol moiety of the chromanol ring. Tocopherols are lipid soluble anti-oxidants that protect cell membranes from oxidative damage. α-Tocopherol is the form of tocopherol preferentially absorbed by homo sapiens. Tocopherol acetate has properties similar but not identical to α-tocopherol. Group: Biochemicals. Alternative Names: Vitamin E Acetate. Grades: Highly Purified. CAS No. 7695-91-2. Pack Sizes: 100g, 250g, 500g. Molecular Formula: C31H52O3. US Biological Life Sciences.
Worldwide
(+)-α-Tocopherol
(+)-α-Tocopherol. Synonyms: 2,5,7,8-Tetramethyl-2-(4',8',12'-trimethyltridecyl)-6-chromanol, 5,7,8-Trimethyltocol, D-α-Tocopherol, Vitamin E. CAS No. 59-02-9. Pack Sizes: 10, 100 g in ampule. Product ID: CDC10-0027. Molecular formula: C29H50O2. Category: Antioxidant Cosmetic Chemicals. Product Keywords: Cosmetic Ingredients; Antioxidant Cosmetic Chemicals; (+)-α-Tocopherol; CDC10-0027; 59-02-9; C29H50O2; 2,5,7,8-Tetramethyl-2-(4',8',12'-trimethyltridecyl)-6-chromanol, 5,7,8-Trimethyltocol, D-α-Tocopherol, Vitamin E; 200-412-2; MFCD00072045; 59-02-9. Purity: >97.0%(GC). Color: Clear yellow to red. EC Number: 200-412-2. Physical State: Viscous Liquid. Solubility: Practically insoluble in water, freely soluble in acetone, in anhydrous ethanol, in methylene chloride and in fatty oils. Quality Level: 200. Storage: -20°C. Boiling Point: 200-220 °C/0.1 mmHg (lit.). Melting Point: 4 °C. Density: 0.95 g/mL at 25 °C (lit.). Product Description: α-Tocopherol is synthesized from γ-tocopherol by the action of enzyme γ-tocopherol methyltransferase. It is the major form of Vitamin E in human plasma. It is present in sunflower seed oil.
α-Tocopherol Acetate.
α-Tocopherol acetate is the most bioactive of the naturally occurring forms of Vitamin E. Richest sources are green vegetables, grains, and oils, particularly palm, safflower and sunflower oils. Group: Biochemicals. Alternative Names: (2R)-3,4-Dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol 6-Acetate; Ephynal Acetate; (+)-α-Tocopherol Acetate; (+)-α-Tocopheryl Acetate; (2R,4'R,8'R)-α-Tocopherol Acetate; (2R,4'R,8'R)-α-Tocopheryl Acetate; (R,R,R)-α-Tocopheryl Acetate; 2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol Acetate; Alfacol; Copherol 12250; Ecofrol; Econ; Tofaxin; Tokoferol Acetate. Grades: Highly Purified. CAS No. 58-95-7. Pack Sizes: 1g. US Biological Life Sciences.
Worldwide
APC-100
APC-100 is an orally available, vitamin E derivative and androgen receptor (AR) antagonist with potential anti-oxidant, chemopreventative and antineoplastic activity. APC-100 binds to ARs in target tissues thereby inhibiting androgen-induced receptor activation and facilitating the formation of inactive complexes that cannot be translocated to the nucleus. APC-100 may ultimately lead to an inhibition of growth in both AR-dependent and AR-independent prostate tumor cells. Uses: Antioxidants. Synonyms: 2,2,5,7,8-Pentamethyl-6-chromanol; Chromanol; 6-Hydroxy-2,2,5,7,8-pentamethylchroman; APC100; 3,4-Dihydro-2,2,5,7,8-pentamethyl-2H-1-Benzopyran-6-ol. Grades: 98%. CAS No. 950-99-2. Molecular formula: C14H20O2. Mole weight: 220.312.
β-Tocotrienol-d6
β-Tocotrienol-[d6] is the labelled derivative of β-Tocotrienol, which is an isomer of Vitamin E. β-Tocotrienol is one of the naturally occurring forms of vitamin E. β-Tocotrienol was isolated from wheat germ oil and from bran. Group: 2h labeled compounds. Alternative Names: (2R)-3,4-Dihydro-2,5,8-trimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrien-1-yl]-2H-1-benzopyran-6-ol-d6; 2,5,8-Trimethyl-2-(4,8,12-trimethyl-3,7,11-tridecatrienyl)-6-chromanol-d6; D-β-Tocotrienol-d6; Îμ-Tocopherol-d6; Îμ-Tokoferol-d6. CAS No. 1174643-63-0. Molecular formula: C28H36D6O2. Mole weight: 416.67. Catalog: ACM1174643630.
δ-Tocopherol
δ-Tocopherol is solated from soybean oil. which is a class of eight fat-soluble compounds. Synonyms: (2R)-3,4-Dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; 2,8-Dimethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol; (+)-δ-Tocopherol; (2R,4'R,8'R)-δ-Tocopherol; (R,R,R)-δ-Tocopherol; 8-Methyltocol; D-δ-Tocopherol; E 309; E-Mix D; d-δ-Tocopherol; δ-D-Tocopherol; δ-Vitamin E. Grades: 95%+. CAS No. 119-13-1. Molecular formula: C27H46O2. Mole weight: 402.65.
δ-Tocopherol Acetate
δ-Tocopherol precursor. Group: Biochemicals. Alternative Names: (2R)-3,4-Dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol 6-Acetate; 2,8-Dimethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol Acetate; δ-Tocopheryl Acetate. Grades: Highly Purified. CAS No. 13027-26-4. Pack Sizes: 10mg. US Biological Life Sciences.
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D-γ-Tocotrienol
γ-Tocotrienol is a form of vitamin E, a class of eight fat-soluble compounds. It was shown to induce apoptosis and inhibit proliferation, and down-regulate the fibroblast growth factor receptor-1 (FGFR1). Synonyms: [R-(E,E)]-3,4-Dihydro-2,7,8-trimethyl-2-(4,8,12-trimethyl-3,7,11-tridecatrienyl)-2H-1-benzopyran-6-ol; (2R)-3,4-dihydro-2,7,8-trimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrienyl]-2H-1-benzopyran-6-ol; 2,7,8-trimethyl-2-(4,8,12-trimethyl-3,7,11-tridecatrienyl)-6-chromanol; (2R)-3,4-Dihydro-2,7,8-trimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrien-1-yl]-2H-1-benzopyran-6-ol; (R)-γ-Tocotrienol; 7,8-Dimethyltocotrienol; Plastochromanol 3; γ-Tocotrienol. CAS No. 14101-61-2. Molecular formula: C28H42O2. Mole weight: 410.63.
DL-alpha-Tocopherol
One of the impurities of Vitamin E, which has been found to be antioxidant and fat-soluble. It is essential for the formation of biological membranes. Synonyms: 2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-Chromanol; (±)-α-Tocopherol; 2,5,7,8-Tetramethyl-2(4',8',12'-trimethyltridecyl)chroman-6-ol; 3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-ol; all-rac-α-Tocopherol; Vitamim E; Vitamim E Alcohol. Grades: ≥95%. CAS No. 10191-41-0. Molecular formula: C29H50O2. Mole weight: 430.72.
dl-α-Tocopherol Succinate
Dl-α-Tocopherol Succinate is the racemic analog of α-Tocopheryl Succinate. Synonyms: Mono[3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-1-benzopyran-6-yl] Ester Butanedioic Acid; Mono[2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-6-chromanyl] Ester Succinic Acid; 2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol Hydrogen Succinate; DL-α-Tocopherol Succinate; Vitamin E Acid Succinate; Vitamin E Succinate; dl-α-Tocopherol Succinate. Grades: 95%. CAS No. 17407-37-3. Molecular formula: C33H54O5. Mole weight: 530.77.
γ-Tocopherol
γ-Tocopherol is a form of vitamin E, a class of eight fat-soluble compounds. It shows less antioxidant activity than alpha-tocopherol. Vitamin supplement in health care products. Uses: Ingredient of health care products. Synonyms: (2R)-3,4-Dihydro-2,7,8-Trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; (+)-2,7,8-Trimethyl-(7-methyl-d3)-2-(4,8,12-trimethyltridecyl)-6-chromanol; (+)-γ-Tocopherol; (2R,4'R,8'R)-γ-Tocopherol; (R,R,R)-γ-Tocopherol; D-γ-Tocopherol; all-(R)-γ-Tocopherol; d-γ-Tocopherol. Grades: 95%. CAS No. 54-28-4. Molecular formula: C28H48O2. Mole weight: 416.69.
HMR 1556
HMR 1556, a chromanol derivative, is a potent I Ks blocker with IC 50 s of 10.5 nM and 34 nM in canine and guinea pig left ventricular myocytes, respectively [1] [2]. Uses: Scientific research. Group: Signaling pathways. CAS No. 223749-46-0. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg; 50 mg; 100 mg. Product ID: HY-106369.
rac-5, 7--Dimethyltocol
One of the derivatives of Vitamin E, which has been found to exhibit antioxidant activity. Synonyms: 2,5,7-trimethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol. CAS No. 493-35-6. Molecular formula: C28H48O2. Mole weight: 416.69.
Triethylsilane 99+% (GC)
Triethylsilane is a trialkylsilicon hydride used in the synthesis of alkylsilanes via hydrosilation of olefins. Triethylsilane is also used as an effective reducing agent. It acts as a reducing agent in the reduction of 2-chromanols, since it has an active hydride. It acts as a catalyst for redox initiated cationic polymerization, regioselective reductive coupling of enones and allenes, and Beckmann rearrangement of cyclododecanone oxime. It is associated with trifluoroacetic acid and involved in the selective reduction of alkenes. Group: Biochemicals. Alternative Names: NSC 93579; Triethylhydrosilane; Triethylsilicon hydride. Grades: GC. CAS No. 617-86-7. Pack Sizes: 25g, 100g, 250g, 1Kg, 2.5Kg. US Biological Life Sciences.
Worldwide
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