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TrueBlack™ Lipofuscin Autofluorescence Quencher

Catalog ID Size Pricing
TB-250-1 1 mL $ 138.00

Description

TrueBlack™ is a new alternative to Sudan Black B for the quenching of lipofuscin autofluorescence in tissue sections for immunofluorescence staining. Lipofuscin consists of highly autofluorescent granules of oxidized proteins and lipids that build up in the lysosomes of aging cells. Lipofuscin granules fluoresce brightly in all channels used for fluorescence microscopy and accumulate in a variety of cell and tissue types with age. It’s necessary to quench or mask lipofuscin fluorescence in certain adult human tissues or aged animal tissues in order to properly image specific immunofluorescence signals.

Sudan Black B has traditionally been used to quench lipofuscin autofluorescence by incubating tissue sections with the dye after immunofluorescence staining. However it also introduces uniform, non-specific background fluorescence in the red and far-red channels, limiting the use of fluorescent dyes in those wavelengths.

Product Specifications

Catalog ID TB-250
Storage/Handling Store at room temperature.
UN Number 2265
Item Class 3
Group Number III
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TB-250-1 1 mL $ 138.00

1,2,3,4-Tetra-O-acetyl-β-D-glucuronic acid methyl ester

Catalog ID Size Pricing
T-180-100 100 g $ 185.00
T-180-250 250 g $ 385.00
T-180-500 500 g $ 641.00
T-180-1 1 kg $ 1,067.00
T-180-2.5 2.5 kg $ 2,223.00

Description

1,2,3,4-Tetra-O-acetyl-β-D-glucuronic acid methyl ester has been used in various biochemical studies. It has been used to study the potential of water-soluble camptothecin glucuronide derivatives as a cancer prodrug monotherapy and antibody-directed enzyme prodrug therapy. Additionally, it has been used to assess the role of glycosylthio heterocycles in carbohydrates.

Product Specifications

Catalog ID T-180
CAS # 7355-18-2
MW 376.32 g/mol
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T-180-100 100 g $ 185.00
T-180-250 250 g $ 385.00
T-180-500 500 g $ 641.00
T-180-1 1 kg $ 1,067.00
T-180-2.5 2.5 kg $ 2,223.00

1,2,4-Triazole

There is no image for 1,2,4-Triazole 1,2,4-Triazole
Catalog ID Size Pricing
T-640-500 500 g $ 75.00
T-640-1 1 kg $ 135.00
T-640-2 2 kg $ 240.00
T-640-5 5 kg $ 500.00
T-640-10 10 kg $ 700.00

Description

1,2,4-Triazole is an aromatic molecule. It is a reagent for the synthesis of many different molecules, including conazole based antifungals, ribofuranosyl based antivirals and antitumor agents.

Product Specifications

Catalog ID T-640
CAS # 288-88-0
MW 69.07 g/mol
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T-640-500 500 g $ 75.00
T-640-1 1 kg $ 135.00
T-640-2 2 kg $ 240.00
T-640-5 5 kg $ 500.00
T-640-10 10 kg $ 700.00

1-O-Tetradecylglycerol

There is no image for 1-O-Tetradecylglycerol 1-O-Tetradecylglycerol
Catalog ID Size Pricing
T-145-250 250 mg $ 200.00
T-145-500 500 mg $ 250.00
T-145-1 1 g $ 400.00
T-145-2 2 g $ 600.00
T-145-5 5 g $ 900.00

Description

1-O-Tetradecylglycerol is an emulsifying agent and chemical reagent.

Product Specifications

Catalog ID T-145
CAS # 1561-06-4
MW 288.47 g/mol
Storage/Handling Store at -20°C. Protect from light.
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T-145-250 250 mg $ 200.00
T-145-500 500 mg $ 250.00
T-145-1 1 g $ 400.00
T-145-2 2 g $ 600.00
T-145-5 5 g $ 900.00

2,3,4,6-Tetra-O-benzyl-D-glucopyranose

There is no image for 2,3,4,6-Tetra-O-benzyl-D-glucopyranose 2,3,4,6-Tetra-O-benzyl-D-glucopyranose
Catalog ID Size Pricing
T-150-50 50 g $ 66.00
T-150-250 250 g $ 280.00
T-150-500 500 g $ 475.00
T-150-1 1 kg $ 830.00
T-150-2.5 2.5 kg $ 1,800.00

Description

2,3,4,6-Tetra-O-benzyl-D-glucopyranose is used for glucosylation reactions and as a reagent for synthesis of 1-C-alpha-D-glucopyranose derivatives.

Product Specifications

Catalog ID T-150
CAS # 4132-28-9
MW 540.65 g/mol
Storage/Handling Store at room temperature.
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T-150-50 50 g $ 66.00
T-150-250 250 g $ 280.00
T-150-500 500 g $ 475.00
T-150-1 1 kg $ 830.00
T-150-2.5 2.5 kg $ 1,800.00

2,3,4,6-Tetra-O-benzyl-D-mannopyranose

There is no image for 2,3,4,6-Tetra-O-benzyl-D-mannopyranose 2,3,4,6-Tetra-O-benzyl-D-mannopyranose
Catalog ID Size Pricing
T-140-250 250 mg $ 50.00
T-140-500 500 mg $ 83.00
T-140-1 1 g $ 110.00
T-140-2 2 g $ 176.00
T-140-5 5 g $ 330.00

Description

2,3,4,6-Tetra-O-benzyl-D-mannopyranose is used for glucosylation reactions and as a reagent for synthesis of 1-C-alpha-D-glucopyranose derivatives.

Product Specifications

Catalog ID T-140
CAS # 61330-61-8
MW 540.65 g/mol
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T-140-250 250 mg $ 50.00
T-140-500 500 mg $ 83.00
T-140-1 1 g $ 110.00
T-140-2 2 g $ 176.00
T-140-5 5 g $ 330.00

2,3,5-Triphenyltetrazolium chloride (TTC; Tetrazolium chloride)

Catalog ID Size Pricing
T-112-25 25 g $ 46.00
T-112-50 50 g $ 81.00
T-112-100 100 g $ 152.00
T-112-250 250 g $ 353.00
T-112-500 500 g $ 655.00

Description

Tetrazolium red is used to visualize dehydrogenase enzyme activity. Initially, the tetrazolium solution is colorless but changes to red when it comes into contact with hydrogen. Tetrazolium red is used in a biochemical viability test for seeds. The test relies on dehydrogenase enzymes to release hydrogen ions, which subsequently reduce the colorless tetrazolium salt solution to a red compound called formazan. Living cells turn red while dead cells remain colorless.

Product Specifications

Catalog ID T-112
CAS # 298-96-4
MW 334.81 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at 4°C. Protect from light.
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T-112-25 25 g $ 46.00
T-112-50 50 g $ 81.00
T-112-100 100 g $ 152.00
T-112-250 250 g $ 353.00
T-112-500 500 g $ 655.00

2,4,6-Tris(2-pyridyl)-1,3,5-triazine

Catalog ID Size Pricing
T-113-25 25 g $ 287.00
T-113-50 50 g $ 541.00
T-113-100 100 g $ 1,031.00
T-113-250 250 g $ 2,438.00

Description

2,4,6-Tris(2-pyridyl)-1,3,5-triazine or TPTZ is a triazine compound containing 3 pyridyl groups. It is commonly used as a reagent for the spectrophotometric determination of Fe(II) and total Fe. It can also be used to determine the amount of acetaminophen in samples through spectrophotometry.

Product Specifications

Catalog ID T-113
CAS # 3682-35-7
MW 312.34 g/mol
Grade MOLECULAR BIOLOGY GRADE
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T-113-25 25 g $ 287.00
T-113-50 50 g $ 541.00
T-113-100 100 g $ 1,031.00
T-113-250 250 g $ 2,438.00

2-Thiouracil

There is no image for 2-Thiouracil 2-Thiouracil
Catalog ID Size Pricing
T-365-100 100 g $ 62.00
T-365-1 1 kg $ 250.00
T-365-2.5 2.5 kg $ 544.00
T-365-5 5 kg $ 945.00
T-365-10 10 kg $ 1,643.00

Description

2-thiouracil is a sulfated uracil typically used as an anti-thyroid agent for Graves’ disease by inhibiting the thyroid enzyme thyroid peroxidase. When given to lab animals it can induce arteriosclerosis.

Product Specifications

Catalog ID T-365
CAS # 141-90-2
MW 128.15 g/mol
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T-365-100 100 g $ 62.00
T-365-1 1 kg $ 250.00
T-365-2.5 2.5 kg $ 544.00
T-365-5 5 kg $ 945.00
T-365-10 10 kg $ 1,643.00

Bis-Tris

Catalog ID Size Pricing
B-020-100 100 g $ 57.00   $ 49.00
B-020-250 250 g $ 97.00   $ 83.00
B-020-500 500 g $ 147.00   $ 125.00
B-020-1 1 kg $ 250.00   $ 213.00

Description

Bis-Tris, also known as bis-Tris methane, is a zwitterionic buffering agent used in biochemistry and molecular biology. It is a bis(2-hydroxyethyl)amine and Tris family buffer that is useful for a pH range of 5.8 – 7.2. Bis Tris is a common component of many buffer systems for various types of electrophoresis. Bis-Tris may form a complex with some common metals, such as Cu(II) and Pb(II), and formation constants should be taken into account when using this buffer in a solution containing metal ions. Bis-Tris can be used as a substitute for the highly toxic buffer cacodylate.

Product Specifications

Catalog ID B-020
CAS # 6976-37-0
MW 209.24 g/mol
Storage/Handling Store at room temperature.
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B-020-100 100 g $ 57.00
$ 49.00
B-020-250 250 g $ 97.00
$ 83.00
B-020-500 500 g $ 147.00
$ 125.00
B-020-1 1 kg $ 250.00
$ 213.00

Blue Tetrazolium chloride

There is no image for Blue Tetrazolium chloride Blue Tetrazolium chloride
Catalog ID Size Pricing
B-480-5 5 g $ 251.00
B-480-25 25 g $ 375.00
B-480-10 10 g $ 456.00
B-480-50 50 g $ 650.00
B-480-100 100 g $ 1,100.00

Description

Blue Tetrazolium chloride is a chemical compound used for sensitive detection of alkaline phosphatase. With immunohistochemistry blue tetrazolium is used as a diagnostic for diseases of the phagocyte function by gauging the resulting blue color in the presence of oxygen formed by the phagocyte while killing bacteria.

Product Specifications

Catalog ID B-480
CAS # 1871-22-3
MW 727.64 g/mol
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B-480-5 5 g $ 251.00
B-480-25 25 g $ 375.00
B-480-10 10 g $ 456.00
B-480-50 50 g $ 650.00
B-480-100 100 g $ 1,100.00

D-Tryptophan

There is no image for D-Tryptophan D-Tryptophan
Catalog ID Size Pricing
T-880-50 50 g $ 40.00
T-880-100 100 g $ 60.00
T-880-250 250 g $ 120.00

Description

D-Tryptophan is used in the liver and kidneys to produce d-kynurenine. It can be used as a reagent for chemical synthesis.

Product Specifications

Catalog ID T-880
CAS # 153-94-6
MW 204.23 g/mol
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T-880-50 50 g $ 40.00
T-880-100 100 g $ 60.00
T-880-250 250 g $ 120.00

DL-3-Tyrosine, 95.0

There is no image for DL-3-Tyrosine, 95.0 DL-3-Tyrosine, 95.0
Catalog ID Size Pricing
T-135-100 100 g $ 281.00
T-135-250 250 g $ 453.00
T-135-500 500 g $ 584.00
T-135-1 1 kg $ 754.00
T-135-2.5 2.5 kg $ 1,215.00

Description

DL-3-Tyrosine has a hypotensive effect on blood pressure and is converted to dopamine in rats. It can also be used as a reagent for chemical synthesis.

Product Specifications

Catalog ID T-135
CAS # 775-06-4
MW 181.19 g/mol
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T-135-100 100 g $ 281.00
T-135-250 250 g $ 453.00
T-135-500 500 g $ 584.00
T-135-1 1 kg $ 754.00
T-135-2.5 2.5 kg $ 1,215.00

Immobilized Trypsin Agarose Resin

Catalog ID Size Pricing
I-050-2 2 mL $ 97.00

Description

Trypsin is a serine protease that hydrolyses proteins which can be found in the digestive system. Trypsin cleaves peptide bonds on the carboxy side of s-aminoethyl cysteine, arginine and lysine residues with very little or no cleavage at lysyl-proline and arginyl-proline bonds. This special cleaving activity yields peptides that are easily identified by mass spectrometry. Additionally, our Immobilized Trypsin is TPCK treated to deactivate interfering chymotrypsin, which can interfere with sequence analysis.

Product Specifications

Catalog ID I-050
Storage/Handling store at 4°C. Do NOT freeze.
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I-050-2 2 mL $ 97.00

Irgasan (Triclosan)

Catalog ID Size Pricing
I-660-25 25 g $ 114.00

Description

Irgasan (triclosan) is a broad-spectrum antifungal and antibiotic. It is often used as a supplement to cell culture media in Pseudomonas and Yersinia isolation agars to prevent bacterial contamination. It is slightly soluble in water and freely soluble in ethanol and methanol.

Irgasan binds the enoyl-acyl carrier protein reductase and forms a complex. Consequently, NAD (nicotinamide adenine dinucleotide) binds and prevents the enoyl-ACP complex from participating in the fatty acid synthesis cycle, suppressing bacterial cell growth.

Product Specifications

Catalog ID I-660
CAS # 3380-34-5
MW 289.54 g/mol
Grade MOLECULAR BIOLOGY GRADE
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I-660-25 25 g $ 114.00

L-Threonine 7-amido-4-methylcoumarin

There is no image for L-Threonine 7-amido-4-methylcoumarin L-Threonine 7-amido-4-methylcoumarin
Catalog ID Size Pricing
T-310-50 50 mg $ 250.00
T-310-100 100 mg $ 400.00
T-310-250 250 mg $ 700.00
T-310-500 500 mg $ 1,100.00
T-310-1 1 g $ 1,700.00

Description

L-Threonine 7-amido-4-methylcoumarin is an AMC fluorgenic substrate.

Product Specifications

Catalog ID T-310
CAS # 191723-66-7
MW 276.29 g/mol
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T-310-50 50 mg $ 250.00
T-310-100 100 mg $ 400.00
T-310-250 250 mg $ 700.00
T-310-500 500 mg $ 1,100.00
T-310-1 1 g $ 1,700.00

L-Tryptophan

Catalog ID Size Pricing
T-115-500 500 g $ 129.00
T-115-1 1 kg $ 233.00

Description

Tryptophan is an essential amino acid in the human diet. Its functions as a serotonin precursor have increased interest in its ability to treat depression and epilepsy; however, there has been inconclusive evidence in clinical trials regarding its efficacy in humans. Safety has also been a concern.

It is widely used in molecular genetics as an auxotrophic genetic marker in yeast gene disruption experiments.

Product Specifications

Catalog ID T-115
CAS # 73-22-3
MW 204.23 g/mol
Grade MOLECULAR BIOLOGY GRADE
Storage/Handling Store at room temperature.
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T-115-500 500 g $ 129.00
T-115-1 1 kg $ 233.00

L-Tryptophan 7-amido-4-methylcoumarin hydrochloride

Catalog ID Size Pricing
T-117-50 50 mg $ 101.00
T-117-100 100 mg $ 160.00
T-117-500 500 mg $ 558.00
T-117-1 1 g $ 680.00
T-117-2.5 2.5 g $ 1,264.00

Description

No description available

Product Specifications

Catalog ID T-117
CAS # 201860-49-3
MW 397.86 g/mol
Grade MOLECULAR BIOLOGY GRADE
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T-117-50 50 mg $ 101.00
T-117-100 100 mg $ 160.00
T-117-500 500 mg $ 558.00
T-117-1 1 g $ 680.00
T-117-2.5 2.5 g $ 1,264.00

N-Tosyl-L-alanine

There is no image for N-Tosyl-L-alanine N-Tosyl-L-alanine
Catalog ID Size Pricing
T-360-100 100 g $ 271.00
T-360-500 500 g $ 1,221.00
T-360-1 1 kg $ 2,260.00

Description

N-Tosyl-L-alanine is a reagent for detecting hydrolytic analytes in sample.

Product Specifications

Catalog ID T-360
CAS # 21957-58-4
MW 243.28 g/mol
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T-360-100 100 g $ 271.00
T-360-500 500 g $ 1,221.00
T-360-1 1 kg $ 2,260.00

N-Tosyl-L-alanine 3-indoxyl ester

Catalog ID Size Pricing
T-370-100 100 mg $ 56.00
T-370-1 1 g $ 134.00
T-370-2.5 2.5 g $ 300.00
T-370-5 5 g $ 536.00
T-370-10 10 g $ 955.00

Description

No description available

Product Specifications

Catalog ID T-370
CAS # 75062-54-3
MW 358.42 g/mol
Storage/Handling Store at -20°C. Protect from light.
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T-370-100 100 mg $ 56.00
T-370-1 1 g $ 134.00
T-370-2.5 2.5 g $ 300.00
T-370-5 5 g $ 536.00
T-370-10 10 g $ 955.00

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