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Shop By Category | Antibiotics & Selection

Antibiotics & SelectionAntibiotics and Selection tools allow you to selectively control which cells can be found in your cultures.

GoldBio’s broad range of cell selection tools, including hundreds of antibiotics, antifungals and anticancers, plant selection and screening agents allow you to select, control and maintain your cell cultures with confidence and ease, no matter what cells you may be studying.
Displaying 1-20 of 259 results.
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10-Deacetyl Baccatin III
Catalog ID
Size
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10-Deacetyl Baccatin III product image
D-550-5
5 mg
$ 173.00
D-550-25
25 mg
$ 650.00
Description

10-Deacetyl baccatin III is an intermediate in the synthesis of the chemotherapeutic drug, paclitaxel (taxol). It is produced by and isolated from Taxus baccata. 10-Deacetyl baccatin III is an immiscible organic compound.

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Specifications
CAS Number 32981-86-5
Technical Resources
17-AAG
Catalog ID
Size
Pricing
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17-AAG product image
A-950-500
500 μg
$ 39.00
A-950-1
1 mg
$ 56.00
A-950-5
5 mg
$ 141.00
Description

17-AAG (17-N-allylamino-17-demethoxygeldanamycin) is an antitumor agent derived from geldanamycin. It is studied for its role in the treatment of cancer. 17-AAG targets and inactivates Hsp90 (heat shock protein 90), which is expressed in a variety of cancer cells including lymphoma and leukemia. It has been shown to induce apoptosis in ALCL cells and cause c-Kit inhibition. 17-AAG has 100x more affinity for cancer cell Hsp90 than noncancer cell Hsp90.

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Specifications
CAS Number 75747-14-7
Technical Resources
2,3,5-Triphenyltetrazolium chloride (TTC; Tetrazolium chloride)
Catalog ID
Size
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2,3,5-Triphenyltetrazolium chloride (TTC; Tetrazolium chloride) product image
T-112-250
250 g
$ 778.00
T-112-1
1 kg
$ 1164.00
T-112-500
500 g
$ 1421.00
T-112-2.5
2.5 kg
$ 2771.00
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.

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Specifications
CAS Number 298-96-4
Technical Resources
4-Methylumbelliferyl caprylate
Catalog ID
Size
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4-Methylumbelliferyl caprylate product image
M-540-1
1 g
$ 121.00
M-540-2.5
2.5 g
$ 273.00
M-540-5
5 g
$ 530.00
M-540-10
10 g
$ 990.00
Description
4-Methylumbelliferyl caprylate Octanoic acid 4-methylumbelliferyl ester 4-MU-caprylate MOLECULAR BIOLOGY GRADE C18H22O4 MW: 302.37 g/mol White to off-white crystalline powder Fluorogenic substrate for esterase with C8 activity, yielding a blue fluorescent solution upon cleavage. Used for the identification of Salmonella spp. based on the detection of caprylate esterase. Storage/Handling: Store at -15°C, and protect from light and humidity. Literature: 1. U. Bottiroli, F. Carozzi, Method for the immediate identification of Salmonella cultures. European Patent 326 6 35 B1 (1992). 2. P.M. Aguirre, et al., Rapid fluorescence method for screening Salmonella spp. from enteric differential agars. J. Clin. Microbiol. 1990, 28, 148. View product page →
Specifications
CAS Number 20671-66-3
Technical Resources
4-Nitrophenyl-α-D- galactopyranoside
Catalog ID
Size
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4-Nitrophenyl-α-D- galactopyranoside product image
N-280-2.5
2.5 g
$ 77.00
N-280-5
5 g
$ 135.00
N-280-10
10 g
$ 243.00
N-280-25
25 g
$ 585.00
Description
4-Nitrophenyl-α-D- galactopyranoside p-Nitrophenyl-alpha-D-galactoside PNP-alpha-D-Gal PNPG MOLECULAR BIOLOGY GRADE C12H15NO8 MW: 301.26 g/mol Off-white crystalline powder Chromogenic substrate yielding a soluble chromophor for the colorimetric assay of alpha-D-galactosidase upon cleavage. Used for the detection of hydrolases in tissues and membranes. Storage/Handling: Store at -15°C, and protect from light. Literature: 1. C.A. Dangelmaier, H. Holmsen, Determination of acid hydrolases in human platelets. Anal. Biochem. 1980, 104, 182. 2. G.J. Kaczorowski, et al., Specific labeling of the lac carrier protein in membrane vesicles of Escherichia coli by a photoaffinity reagent. Proc. Nat. Acad. Sci. USA 1980 , 77, 6319. View product page →
Specifications
CAS Number 7493-95-0
Technical Resources
4-Nitrophenyl-α-D- glucopyranoside (p-Nitrophenyl-α-D-glucoside; PNP-α-D-Glc)
Catalog ID
Size
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4-Nitrophenyl-α-D- glucopyranoside (p-Nitrophenyl-α-D-glucoside; PNP-α-D-Glc) product image
N-310-10
10 g
$ 180.00
N-310-25
25 g
$ 426.00
N-310-50
50 g
$ 810.00
N-310-100
100 g
$ 1538.00
Description
4-Nitrophenyl-α-D- glucopyranoside p-Nitrophenyl-alpha-D-glucoside PNP-alpha-D-Glc MOLECULAR BIOLOGY GRADE C12H15NO8MW: 301.26 g/mol Off-white crystalline powder Chromogenic substrate for alpha-D-glucosidase, yielding a yellow solution upon cleavage. Also used for the detection of glucansucrases and for yeast alpha-D-glucosidase and for crystal structure studies of the complexes of concanavalin A. Storage/Handling: Store at -15°C, and protect from light. Literature: 1. T.P. Binder, J.F. Robyt, p-Nitrophenyl alpha-D-glucopyranoside, a new substrate for glucansucrases. Carbohydr. R es. 1983, 124, 287. 2. D.E. Oliveira, et al., Permeabilization of yeast for in situ determination of alpha-glucosidase. Anal. Biochem. 1981, 113, 188. 3. B. Wimmer, et al., A novel type of thermostable alpha-D-glucosidase from Thermoanaerobacter thermohydrosulfuricus exhibiting maltodextrinohydrolase activity. Biochem. J. View product page →
Specifications
CAS Number 3767-28-0
Technical Resources
4-Nitrophenyl-α-D-glucopyranoside, beta-Anomer < 0.1%
Catalog ID
Size
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4-Nitrophenyl-&#945;-D-glucopyranoside, beta-Anomer < 0.1%  product image
N-311-50
50 g
$ 574.00
Description
p-Nitrophenyl α-D-glucopyranoside Empirical Formula: C12H15NO8 Molecular Weight: 301.25 Beilstein Registry Number: 92212EC Number: 223-189-3MDL number: MFCD00064088PubChem Substance ID: 24897484 View product page →
Specifications
CAS Number 3767-28-0
Technical Resources

No resources are available for this product.

4-Nitrophenyl-β-D- galactosidase (p-Nitrophenyl-β-D-galactoside; PNP-β-D-Gal)
Catalog ID
Size
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4-Nitrophenyl-&#946;-D- galactosidase (p-Nitrophenyl-&#946;-D-galactoside; PNP-&#946;-D-Gal) product image
N-290-10
10 g
$ 122.00
N-290-25
25 g
$ 285.00
N-290-50
50 g
$ 535.00
N-290-100
100 g
$ 1000.00
Description
4-Nitrophenyl-β-D- galactosidase p-Nitrophenyl-β-D-galactoside PNP-β-D-Gal MOLECULAR BIOLOGY GRADE C12H15NO8 MW: 301.26 g/mol White to off-white crystalline powder Chromogenic β-galactosidase substrate, yielding a yellow solution upon cleavage. Can be used for the detection of coliforms due to their β-galactosidase activity. Storage/Handling: Store at -15°C, and protect from light. View product page →
Specifications
CAS Number 3150-24-1
Technical Resources
5-Bromo-4-chloro-3-indoxyl butyrate
Catalog ID
Size
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5-Bromo-4-chloro-3-indoxyl butyrate product image
B-300-1
1 g
$ 254.00
Description
X-butyrate MOLECULAR BIOLOGY GRADE C12H11BrClNO3 MW: 316.59 g/mol Can be used as a substrate for carboxyl esterase, yielding a blue precipitate upon cleavage. Storage/Handling: Store dry at -15°C, and protect from light. This must be stored under inert gas. View product page →
Specifications
CAS Number 129541-43-1
Technical Resources
5-Bromo-4-chloro-3-indoxyl caprylate
Catalog ID
Size
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5-Bromo-4-chloro-3-indoxyl caprylate product image
B-320-2.5
2.5 g
$ 221.00
B-320-5
5 g
$ 353.00
B-320-10
10 g
$ 565.00
B-320-25
25 g
$ 1176.00
Description
5-Bromo-4-chloro-3-indoxyl octanoate; X-caprylate MOLECULAR BIOLOGY GRADE C16H19BrClNO2 MW: 372.70 g/mol A chromogenic substrate for esterase with C8 activity. 5-Bromo-4-chloro-3-indoxyl caprylate yields a blue precipitate when cleaved. Storage/Handling: Store at -15°C under inert gas. View product page →
Specifications
CAS Number 129541-42-0
Technical Resources
5-Bromo-6-chloro-3-indoxyl butyrate
Catalog ID
Size
Pricing
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5-Bromo-6-chloro-3-indoxyl butyrate product image
B-310-500
500 mg
$ 245.00
B-310-1
1 g
$ 377.00
B-310-2.5
2.5 g
$ 726.00
B-310-5
5 g
$ 1117.00
Description
MagentaTM-butyrate MOLECULAR BIOLOGY GRADE C12H11BrClNO2 MW: 316.59 g/mol Used as a chromogenic substrate for carboxylesterase, yielding a magenta precipitate upon cleavage. Storage/Handling: Store at -15 °C, and protect from light. View product page →
Specifications
CAS Number 873295-29-5
Technical Resources
5-Bromo-6-chloro-3-indoxyl caprylate
Catalog ID
Size
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5-Bromo-6-chloro-3-indoxyl caprylate product image
B-325-2.5
2.5 g
$ 191.00
B-325-5
5 g
$ 357.00
B-325-10
10 g
$ 667.00
B-325-25
25 g
$ 1557.00
Description
5-Bromo-6-chloro-3-indoxyl caprylate 5-Bromo-6-chloro-3-indoxyl octanoate Magenta™-caprylate MOLECULAR BIOLOGY GRADE C16H19BrClNO2 MW: 372.70 g/mol Storage/Handling: Store at -15°C. Keep dry, and protect from light. View product page →
Specifications
CAS Number 209347-94-4
Technical Resources
5-Fluorocytosine
Catalog ID
Size
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5-Fluorocytosine product image
F-500-1
1 g
$ 131.00
F-500-5
5 g
$ 295.00
Description

5-Fluorocytosine is a fluorinated cytosine analog and antifungal agent. 5-fluorocytosine becomes 5-fluorouracil and is then incorporated into RNA, causing miscoding and inhibition of DNA synthesis. It is effective against Candida and Cryptococcus species and can be used as a negative selection agent in transgenic plants.

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Specifications
CAS Number 2022-85-7
Technical Resources
Aclarubicin HCl
Catalog ID
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Aclarubicin HCl product image
A-101-5
5 mg
$ 72.00
Description

Aclarubicin HCl is an anticancer agent isolated from Streptomyces galilaeus. It functions by inhibiting nucleic acid synthesis and causing DNA and RNA to intercalate. It is also a topoisomerase II inhibitor. Aclarubicin has been shown to suppress progression of lymphoma or lung cancer. It has also been shown to counteract vasoconstriction in rats. Aclarubicin shows decreased cardiotoxicity when compared to similar anticancer agents.

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Specifications
CAS Number 75443-99-1
Technical Resources
Amikacin Hydrate
Catalog ID
Size
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Amikacin Hydrate product image
A-530-1
1 g
$ 59.00
A-530-5
5 g
$ 159.00
Description

Amikacin hydrate is a broad-spectrum aminoglycoside antibiotic derived from kanamycin A. It is effective against gram-negative bacteria such as Pseudomonas aeruginosa and a variety of enteric species. It is also effective against Mycobacterium tuberculosis. Amikacin hydrate is freely soluble in aqueous solution.

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Specifications
CAS Number 37517-28-5
Technical Resources
Amikacin Sulfate, USP Grade
Catalog ID
Size
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Amikacin Sulfate, USP Grade product image
A-532-5
5 g
$ 222.00
Description

Amikacin sulfate (disulfate) is a broad-spectrum aminoglycoside antibiotic derived from kanamycin A. It is effective against gram-negative bacteria such as Pseudomonas aeruginosa and a variety of enteric species. It is also effective against Mycobacterium tuberculosis. Amikacin sulfate is freely soluble in aqueous solution.

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Specifications
CAS Number 39831-55-5
Technical Resources
Amoxicillin Sodium Salt
Catalog ID
Size
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Amoxicillin Sodium Salt product image
A-551-1
1 g
$ 49.00
A-551-5
5 g
$ 76.00
A-551-25
25 g
$ 227.00
Description

Amoxicillin is an extended-spectrum ß-lactam antibiotic with a structure similar to that of ampicillin. It is effective against a variety of ß-lactamase negative bacteria including E. coli and various Streptococcus and Staphylococcus bacteria. It is also effective against a variety of other gram-negative and gram-positive bacteria. Amoxicillin sodium salt is freely soluble in aqueous solution.

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Specifications
CAS Number 34642-77-8
Technical Resources
Amoxicillin, Trihydrate
Catalog ID
Size
Pricing
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Amoxicillin, Trihydrate product image
A-550-5
5 g
$ 46.00
A-550-25
25 g
$ 154.00
Description

Amoxicillin is an extended-spectrum ß-lactam antibiotic with a structure similar to that of ampicillin. It is effective against a variety of ß-lactamase negative bacteria including E. coli and various Streptococcus and Staphylococcus bacteria. It is also effective against a variety of other gram-negative and gram-positive bacteria.

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Specifications
CAS Number 61336-70-7
Technical Resources
Amoxicillin/Clavulanate
Catalog ID
Size
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Amoxicillin/Clavulanate product image
A-552-1
1 g
$ 49.00
Description

Amoxicillin/Clavulanate combines an extended-spectrum β-lactam antibiotic with a β-lactamase inhibitor. Amoxicillin is an extended-spectrum ß-lactam antibiotic with a structure similar to that of ampicillin. It is effective against a variety of ß-lactamase negative bacteria including E. coli and various Streptococcus and Staphylococcus bacteria; however, when combined with clavulanic acid, ß-lactamase enzymes are irreversibly inactivated. Consequently, amoxicillin/clavulanate is effective against ß-lactamase-negative and ß-lactamase-positive bacteria.

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Specifications
CAS Number 34642-77-8; 61177-45-5
Technical Resources
Ampho99
Catalog ID
Size
Pricing
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Ampho99 product image
A-562-250
250 mg
$ 48.00
A-562-500
500 mg
$ 88.00
A-562-1
1 g
$ 156.00
Description

Ampho99 is the purest form of amphotericin B available and should be used for the most sensitive applications. In general, GoldBio’s USP Grade amphotericin B will not adversely affect your cells and is suitable for most experiments.

Amphotericin B is a polyene antifungal isolated from Streptomyces species. While it has been suggested that Amphotericin B interacts with ergosterol of the fungal cell membrane leading to an altered cell membrane permeability and death, more recent studies show that the mechanism behind amphotericin B’s fungicidal activity is more complex. It is most effective against fungi and yeast and is often used against opportunistic fungal infections and leishmaniasis. Additionally, amphotericin B can be used to prevent growth of F. oxysporum in chickpea and P. triticina in wheat. It is soluble in acidic and basic conditions.

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Specifications
CAS Number 1397-89-3
Technical Resources
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