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20529 results for "2,3-Bis(2-hydroxymethylthia)-1,4-naphthalenedione"

20529 Results for: "2,3-Bis(2-hydroxymethylthia)-1,4-naphthalenedione"

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2,3-Bis(2-hydroxyethylthio)-1,4-naphthalenedione ≥98% (by HPLC)

2,3-Bis(2-hydroxyethylthio)-1,4-naphthalenedione ≥98% (by HPLC)

Supplier: Enzo Life Sciences

A potent and selective inhibitor of Cdc25 phosphatase (Ki's for Cdc25A, B and C are 32, 96 and 40 nM respectively). NSC-95397 inhibits the growth of several human tumor cell lines and blocks G2/M cell cycle transition.

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5,8-Dihydroxy-1,4-naphthoquinone ≥75.0% (by HPLC)

Supplier: TCI America

CAS Number: 475-38-7
MDL Number: MFCD00001685
Molecular Formula: C10H6O4
Molecular Weight: 190.15
Purity/Analysis Method: >75.0% (HPLC)
Form: Crystal
Melting point (°C): 230

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(β,β-Dimethylacryl)shikonin ≥90.0% (by HPLC)

Supplier: TCI America

CAS Number: 24502-79-2
MDL Number: MFCD00143687
Molecular Formula: C21H22O6
Molecular Weight: 370.40
Purity/Analysis Method: >90.0% (HPLC)
Form: Crystal
Melting point (°C): 103

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Dithiothreitol (DTT, Cleland's reagent) for biotechnology

Dithiothreitol (DTT, Cleland's reagent) for biotechnology

Supplier: VWR

An excellent reagent for maintaining SH groups in reduced state; quantitatively reduces disulfides. DTT is effective in sample buffers for reducing protein disulfide bonds prior to SDS-PAGE. DTT can also be used for reducing the disulfide bridge of the cross-linker N,N′-bis(acryloyl)cystamine to break apart the matrix of a polyacrylamide gel. DTT is less pungent and is less toxic than 2-mercaptoethanol. Typically, a seven fold lower concentration of DTT (100 mM) is needed than is used for 2-mercaptoethanol (5% v/v, 700 mM).

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2,6-Bis(chloromethyl)-1,4-dimethoxybenzene

Supplier: TCI America

CAS Number: 1379163-23-1
Molecular Formula: C10H12Cl2O2
Molecular Weight: 235.10
Form: Crystal
Color: White

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(2S,3S,5R,6R)-5,6-Bis(hydroxymethyl)-2,3-dimethoxy-2,3-dimethyl-1,4-dioxane ≥98.0% (by GC)

Supplier: TCI America

CAS Number: 241811-66-5
Molecular Formula: C10H20O6
Molecular Weight: 236.26
Purity/Analysis Method: >98.0% (GC)
Form: Crystal
Melting point (°C): 120
Specific rotation [a]20/D: 174 deg (C=1, CHCl3)

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(2R,3R,5S,6S)-5,6-Bis(hydroxymethyl)-2,3-dimethoxy-2,3-dimethyl-1,4-dioxane ≥98.0% (by GC)

Supplier: TCI America

CAS Number: 173371-55-6
Molecular Formula: C10H20O6
Molecular Weight: 236.26
Purity/Analysis Method: >98.0% (GC)
Form: Crystal
Melting point (°C): 121
Specific rotation [a]20/D: -174 deg (C=1, CHCl3)

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(S,S)-(+)-2,3-Dimethoxy-1,4-bis(dimethylamino)butane ≥97.0% (by titrimetric analysis)

Supplier: TCI America

CAS Number: 26549-21-3
MDL Number: MFCD00063598
Molecular Formula: C10H24N2O2
Molecular Weight: 204.31
Purity/Analysis Method: >97.0% (T)
Form: Clear Liquid
Flash Point (°C): 71
Specific Gravity (20/20): 0.90
Specific rotation [a]20/D: 10.5 deg (neat)

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(-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol ≥98.0% (by HPLC)

Supplier: TCI America

CAS Number: 37002-45-2
MDL Number: MFCD00003212
Molecular Formula: C21H26O8S2
Molecular Weight: 470.55
Purity/Analysis Method: >98.0% (HPLC)
Form: Crystal
Melting point (°C): 93
Specific rotation [a]20/D: -23 deg (C=8.8, CH3CN)

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(R,R)-(-)-2,3-Dimethoxy-1,4-bis(dimethylamino)butane ≥90.0%

Supplier: TCI America

CAS Number: 26549-22-4
MDL Number: MFCD00008331
Molecular Formula: C10H24N2O2
Molecular Weight: 204.31
Purity/Analysis Method: >90.0% (GC)
Form: Clear Liquid
Boiling point (°C): 64
Specific Gravity (20/20): 0.90
Specific rotation [a]20/D: -10.5 deg (neat)

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(-)-1,4-Di-O-benzyl-L-threitol ≥98.0%

Supplier: TCI America

CAS Number: 17401-06-8
MDL Number: MFCD00077723
Molecular Formula: C18H22O4
Molecular Weight: 302.37
Purity/Analysis Method: >98.0% (GC)
Form: Crystal
Melting point (°C): 56
Specific rotation [a]20/D: -6.3 deg (C=5, CHCl3)

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Nordihydroguaiaretic acid ≥97% (by TLC)

Nordihydroguaiaretic acid ≥97% (by TLC)

Supplier: Enzo Life Sciences

Antioxidant and antineoplastic

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(+)-1,4-Di-O-benzyl-D-threitol ≥98.0%

Supplier: TCI America

CAS Number: 91604-41-0
MDL Number: MFCD00077722
Molecular Formula: C18H22O4
Molecular Weight: 302.37
Purity/Analysis Method: >98.0% (GC)
Form: Crystal
Melting point (°C): 56
Specific rotation [a]20/D: 6.3 deg (C=5, CHCl3)

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Nordihydroguaiaretic acid ≥97.0% (by HPLC)

Supplier: TCI America

CAS Number: 500-38-9
MDL Number: MFCD00002206
Molecular Formula: C18H22O4
Molecular Weight: 302.37
Purity/Analysis Method: >97.0% (HPLC)
Form: Crystal
Melting point (°C): 185

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1,2-Dimyristoyl-sn-glycero-3-phosphocholine

Supplier: Bachem Americas

Sequence: 1,2-Dimyristoyl-sn-glycero-3-phosphocholine
Synonym(s): DMPC#L-β,γ-Dimyristoyl-α-lecithin

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8270 Calibration Mix #3 (23 components), Restek

Supplier: Restek

Contains: Aramite (140-57-8); Bis(2-chloroethyl)ether (111-44-4); Bis(2-chloroethoxy)methane (111-91-1); 4-Bromophenyl phenyl ether (101-55-3); Chlorobenzilate (510-15-6); 2-Chloronaphthalene (91-58-7); 4-Chlorophenyl phenyl ether (7005-72-3); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,3-Dinitrobenzene (99-65-0); Hexachlorobenzene (118-74-1); Hexachlorobutadiene (87-68-3); Hexachlorocyclopentadiene (77-47-4); Hexachloroethane (67-72-1); Hexachloropropene (1888-71-7); Isodrin (465-73-6); Kepone (143-50-0); 2,2'-Oxybis(1-chloropropane) (108-60-1); Pentachlorobenzene (608-93-5); Pentachloronitrobenzene (quintozene) (82-68-8); 1,2,4,5-Tetrachlorobenzene (95-94-3); 1,2,4-Trichlorobenzene (120-82-1)

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Nordihydroguaiaretic acid 97%

Supplier: Thermo Scientific Chemicals

Naturally occuring antioxidant and inhibitor of lipoxygenase

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(+)-Di-p-toluoyl-D-tartaric acid ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America

CAS Number: 32634-68-7
MDL Number: MFCD00008552
Molecular Formula: C20H18O8
Molecular Weight: 386.36
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal
Melting point (°C): 171
Specific rotation [a]20/D: 139 deg (C=1, EtOH)

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8270 MegaMix Standard (76 components), Restek

8270 MegaMix Standard (76 components), Restek

Supplier: Restek

Contains: Acenaphthene (83-32-9); Acenaphthylene (208-96-8); Aniline (62-53-3); Anthracene (120-12-7); Azobenzene (103-33-3)*; Benz(a)anthracene (56-55-3); Benzo(a)pyrene (50-32-8); Benzo(b)fluoranthene (205-99-2); Benzo(ghi)perylene (191-24-2); Benzo(k)fluoranthene (207-08-9); Benzyl alcohol (100-51-6); Benzyl butyl phthalate (85-68-7); Bis(2-chloroethoxy)methane (111-91-1); Bis(2-chloroethyl)ether (111-44-4); Bis(2-ethylhexyl)adipate (103-23-1); Bis(2-ethylhexyl)phthalate (117-81-7); 4-Bromophenyl phenyl ether (101-55-3); Carbazole (86-74-8); 4-Chloroaniline (106-47-8); 4-Chloro-3-methylphenol (59-50-7); 2-Chloronaphthalene (91-58-7); 2-Chlorophenol (95-57-8); 4-Chlorophenyl phenyl ether (7005-72-3); Chrysene (218-01-9); Dibenz(a,h)anthracene (53-70-3); Dibenzofuran (132-64-9); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 2,4-Dichlorophenol (120-83-2); Diethylphthalate (84-66-2); 2,4-Dimethylphenol (105-67-9); Dimethylphthalate (131-11-3); Di-n-butyl phthalate (84-74-2); 1,2-Dinitrobenzene (528-29-0); 1,3-Dinitrobenzene (99-65-0); 1,4-Dinitrobenzene (100-25-4); 4,6-Dinitro-2-methylphenol (Dinitro-o-cresol) (534-52-1); 2,4-Dinitrophenol (51-28-5); 2,4-Dinitrotoluene (121-14-2); 2,6-Dinitrotoluene (606-20-2); Di-n-octyl phthalate (117-84-0); Diphenylamine (122-39-4)**; Fluoranthene (206-44-0); Fluorene (86-73-7); Hexachlorobenzene (118-74-1); Hexachlorobutadiene (87-68-3); Hexachlorocyclopentadiene (77-47-4); Hexachloroethane (67-72-1); Indeno(1,2,3-cd)pyrene (193-39-5); Isophorone (78-59-1); 1-Methylnaphthalene (90-12-0); 2-Methylnaphthalene (91-57-6); 2-Methylphenol (o-cresol) (95-48-7); 3-Methylphenol (m-cresol) (108-39-4); 4-Methylphenol (p-cresol) (106-44-5); Naphthalene (91-20-3); 2-Nitroaniline (88-74-4); 3-Nitroaniline (99-09-2); 4-Nitroaniline (100-01-6); Nitrobenzene (98-95-3); 2-Nitrophenol (88-75-5); 4-Nitrophenol (100-02-7); N-Nitrosodimethylamine (62-75-9); N-Nitroso-di-n-propylamine (621-64-7); 2,2'-Oxybis(1-chloropropane) (108-60-1); Pentachlorophenol (87-86-5); Phenanthrene (85-01-8); Phenol (108-95-2); Pyrene (129-00-0); Pyridine (110-86-1); 2,3,4,6-Tetrachlorophenol (58-90-2); 2,3,5,6-Tetrachlorophenol (935-95-5); 1,2,4-Trichlorobenzene (120-82-1); 2,4,5-Trichlorophenol (95-95-4); 2,4,6-Trichlorophenol (88-06-2)

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Epoxy-Activated Sepharose™ 6B Affinity Coupling Media, Cytiva

Supplier: Cytiva

Epoxy-activated Sepharose™ 6B is a pre-activated medium for immobilisation of various ligands including sugars through coupling of hydroxy, amino or thiol groups on the ligand to Sepharose™ 6B via a 12-atom hydrophilic spacer arm. Medium is formed by reacting Sepharose™ 6B with 1,4-bis (2,3- epoxy-propoxy-) butane. It can be used to couple sugars and other carbohydrates via stable ether linkages to hydroxyl groups.

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U0126 ≥98% (by HPLC)

Supplier: MilliporeSigma

A potent and specific inhibitor of MEK1 (IC50 = 72 nM) and MEK2 (IC50 = 58 nM).

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(S)-(+)-3,4,8,8α-Tetrahydro-8α-methyl-1,6(2H,7H)-naphthalenedione 99%

Supplier: Thermo Scientific Chemicals

(S)-(+)-3,4,8,8α-Tetrahydro-8α-methyl-1,6(2H,7H)-naphthalenedione 99%

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(+)-Di-p-toluoyl-D-tartaric acid 98%

Supplier: Thermo Scientific Chemicals

(+)-Di-p-toluoyl-D-tartaric acid 98%

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(+/-)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥98%

Supplier: Thermo Scientific Chemicals

(+/-)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione ≥98%

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L(+)-Tartaric acid solution 10% (w/v), VWR Chemicals BDH®
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Dithiothreitol (DTT, Cleland's reagent) ≥99.0%, Biotech Reagent, J.T.Baker®

Dithiothreitol (DTT, Cleland's reagent) ≥99.0%, Biotech Reagent, J.T.Baker®

Supplier: VWR International

White crystals. Keep material refrigerated between 2 to 8°C.

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L(+)-Potassium sodium tartrate tetrahydrate 99.0-102.0% Reag. USP, ACS, VWR Chemicals BDH®
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L(+)-Potassium sodium tartrate tetrahydrate 99.0-102.0%, crystals, BAKER ANALYZED® ACS, J.T.Baker®

L(+)-Potassium sodium tartrate tetrahydrate 99.0-102.0%, crystals, BAKER ANALYZED® ACS, J.T.Baker®

Supplier: VWR International

L(+)-Potassium sodium tartrate tetrahydrate 99.0-102.0%, crystals, BAKER ANALYZED® ACS, J.T.Baker®

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di-Sodium L(+)-tartrate dihydrate 99.0-101.0% ACS, VWR Chemicals BDH®

di-Sodium L(+)-tartrate dihydrate 99.0-101.0% ACS, VWR Chemicals BDH®

Supplier: VWR International

di-Sodium L(+)-tartrate dihydrate 99.0-101.0% ACS, VWR Chemicals BDH®

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ABTS (Diammonium 2,2'-azinobis[3-ethyl-2,3-dihydrobenzothiazole-6-sulfonate])

ABTS (Diammonium 2,2'-azinobis[3-ethyl-2,3-dihydrobenzothiazole-6-sulfonate])

Supplier: VWR

Substrate for the detection of horseradish peroxidase commonly used in ELISA. Read at 450 nm.

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