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Bicine
Catalog ID
Size
Pricing
More Info
Bicine
B-785-25
25 g
$ 17.00 $ 14.00
B-785-50
50 g
$ 22.00 $ 19.00
B-785-100
100 g
$ 30.00 $ 26.00
B-785-500
500 g
$ 120.00 $ 102.00
B-785-1
1 kg
$ 199.00 $ 169.00
Description
Bicine is a buffering agent used in biochemistry and molecular biology that was selected and described by Good et al. It is a zwitterionic, bis(2-hydroxyethyl)amine buffer that is useful for a pH range of 7.6 – 9.0. It is commonly used in protein crystallization, in the study of enzymatic reactions, and for electrophoresis. It is used in thin layer ion exchange chromatography for protein resolution, as well as a multiphasic buffer system for SDS-PAGE of proteins. It is soluble in water at 0°C up to 1.1 M. Bicine forms a complex with most common metals so stability constants and concentrations View product page →
Specifications
CAS Number 150-25-4
Technical Resources
CHES
Catalog ID
Size
Pricing
More Info
CHES
C-870-25
25 g
$ 20.00 $ 17.00
C-870-50
50 g
$ 24.00 $ 20.00
C-870-100
100 g
$ 35.00 $ 30.00
C-870-500
500 g
$ 130.00 $ 111.00
Description
CHES is a zwitterionic buffering agent used in biochemistry and molecular biology. It is a cyclohexylamine buffer that is useful for a pH range of 8.6 – 10.0 and commonly used to study enzymatic processes above physiological pH. CHES displays only weak or negligible complexation capabilities for some metals making it a suitable non-coordinating buffer for use in most solutions containing metal ions. CHES displays high affinity for the iodoacetate binding site of liver alcohol dehydrogenase, protecting the enzyme from inactivation by iodoacetic acid. Product Specifications CHES; 2-(Cyclohexylamino)ethanesulfonic acid; N-Cyclohexyltaurine;ULTRA PURITY GRADE Formula: C8H17NO3S MW: 207.29 g/mol PubChem Chemical ID: 66898 Storage/Handling: Store at room temperature. View product page →
Specifications
CAS Number 103-47-9
Technical Resources
HEPES, Free Acid
Catalog ID
Size
Pricing
More Info
HEPES, Free Acid
H-400-100
100 g
$ 32.00 $ 27.00
H-400-250
250 g
$ 64.00 $ 54.00
H-400-500
500 g
$ 97.00 $ 82.00
H-400-1
1 kg
$ 151.00 $ 128.00
H-400-2
2 kg
$ 252.00 $ 214.00
H-400-5
5 kg
$ 535.00 $ 455.00
Description

HEPES is a buffering agent used in biochemistry and molecular biology that was selected and described by Good et al. It is a zwitterionic, piperazinic buffer that is useful for a pH range of 6.8 – 8.2. HEPES lacks the ability to form a significant complex with most metal ions and is recommended for use as a non-coordinating buffer in solutions with metal ions.

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Specifications
CAS Number 7365-45-9
Technical Resources
MES, Free Acid
Catalog ID
Size
Pricing
More Info
MES, Free Acid
M-095-25
25 g
$ 19.00 $ 16.00
M-095-50
50 g
$ 24.00 $ 20.00
M-095-100
100 g
$ 35.00 $ 30.00
M-095-250
250 g
$ 67.00 $ 57.00
M-095-1
1 kg
$ 229.00 $ 195.00
Description
MES is a buffering agent used in biochemistry and molecular biology that was selected and described by Good et al. It is a zwitterionic, morpholinic buffer that is useful for a pH range of 5.5 – 6.7 and commonly used for cell culture media, as a running buffer in electrophoresis, and for protein purification in chromatography. MES lacks the ability to form a complex with most metal ions and is recommended for use as a non-coordinating buffer in solutions with metal ions. MES is often used in buffered culture media for bacteria, yeast, and mammalian cells. It is toxic towards View product page →
Specifications
CAS Number 4432-31-9
Technical Resources
MOPS Free Acid, Ultra Pure
Catalog ID
Size
Pricing
More Info
MOPS Free Acid, Ultra Pure
M-790-100
100 g
$ 30.00 $ 26.00
M-790-250
250 g
$ 51.00 $ 43.00
M-790-500
500 g
$ 82.00 $ 70.00
M-790-1
1 kg
$ 133.00 $ 113.00
M-790-2
2 kg
$ 238.00 $ 202.00
M-790-5
5 kg
$ 545.00 $ 463.00
Description

MOPS is a buffering agent used in biochemistry and molecular biology that was selected and described by Good et al. It is a zwitterionic, morpholinic buffer that is useful for a pH range of 6.5 – 7.9 and commonly used for cell culture media, as a running buffer in electrophoresis, and for protein purification in chromatography. MOPS lacks the ability to form a complex with most metal ions and is recommended for use as a non-coordinating buffer in solutions with metal ions.

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Specifications
CAS Number 1132-61-2
Technical Resources
TES
Catalog ID
Size
Pricing
More Info
TES
T-785-25
25 g
$ 19.00 $ 16.00
T-785-50
50 g
$ 24.00 $ 20.00
T-785-100
100 g
$ 35.00 $ 30.00
T-785-500
500 g
$ 165.00 $ 140.00
Description
TES is a zwitterionic buffering agent used in biochemistry and molecular biology that was selected and described by Good et al. It is part of the Tris family of buffers and has a pKa that is right at physiological pH (7.4) at 25°C, giving it a useful pH range of 6.8 – 8.2. It is used in various protein assays, in micellar electrokinetic chromatography and in Test Yolk Buffer medium. Like most neutral pH, amine-based buffers, TES forms a complex with DNA; it affects restriction enzymes kinetics more than HEPES, but less than Tris. It also forms a complex with View product page →
Specifications
CAS Number 7365-44-8
Technical Resources
Tricine
Catalog ID
Size
Pricing
More Info
Tricine
T-870-25
25 g
$ 14.00 $ 12.00
T-870-50
50 g
$ 19.00 $ 16.00
T-870-100
100 g
$ 25.00 $ 21.00
T-870-250
250 g
$ 49.00 $ 42.00
Description
Tricine is a zwitterionic buffering agent used in biochemistry and molecular biology that was selected and described by Good et al. It is part of the Tris family of buffers with a useful pH range of 7.4 – 8.8. Tricine is commonly used in SDS-PAGE to separate peptides that are in the molecular weight range of 1 to 100 kDa. It is also used in capillary zone electrophoresis, high performance liquid chromatography and ion exchange chromatography. Tricine was determined to be the best buffer tested for use in ATP assays involving firefly luciferase. Tricine can serve as scavenger of hydroxyl View product page →
Specifications
CAS Number 5704-04-1
Technical Resources
Tris (Tris Base)
Catalog ID
Size
Pricing
More Info
Tris (Tris Base)
T-400-500
500 g
$ 32.00 $ 27.00
T-400-1
1 kg
$ 54.00 $ 46.00
T-400-5
5 kg
$ 205.00 $ 174.00
T-400-10
10 kg
$ 401.00 $ 341.00
Description

GoldBio Tris has the highest purity available on the market, at more than 99.9% pure.  Short for Tris (hydroxymethyl) aminomethane (THAM), Tris is an organic compound often used in buffer solutions such as TAE or TBE for electrophoresis gels. Tris is highly soluble in water and is useful in the pH range 7.0-9.0 and is also used in the preparation of Laemmli buffer, one of the most common SDS-PAGE buffers.  In addition, it can also be used for many custom running and loading buffers, most often with glycine and SDS.

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Specifications
CAS Number 77-86-1
Technical Resources