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Phenol red sodium salt

Supplier: Adipogen
Description: Water soluble pH indicator used in the 6.8 (yellow) to 8.2 (red) range and frequently used in cell biology laboratories. Widely used as cell tissue culture pH marker. A small amount of phenol red added to the growth medium will have a pink-red color under normal conditions. Typically, 15 mg/l are used for cell culture. In the event of problems, waste products produced by dying cells or overgrowth of contaminants will cause a change in pH, leading to a change in indicator color. For example, a culture of relatively slowly dividing mammalian cells can be quickly overgrown by bacterial contamination. This usually results in an acidification of the medium, turning it yellow. The waste products produced by the mammalian cells themselves will slowly decrease the pH, gradually turning the solution orange and then yellow. This color change is an indication that even in the absence of contamination, the medium needs to be replaced. Shown to be a weak estrogen mimic (possible through inpurities), which can enhance the growth of cells that express the estrogen receptor in cell cultures. Might be useful as a differentiation factor.

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Tropaeolin O

Supplier: Thermo Scientific Chemicals
Description: Transition interval: pH 11.0 (yellow) to 12.7 (orange)

SDS Certificates

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Cefotaxime Sodium Salt ≥95%, off-white powder

Supplier: MP Biomedicals
Description: Cefotaxime is a cephalosporin, which acts by interference of synthesis of peptidoglycan of the bacterial cell wall. Cefotaxime, a cephalosporin antibiotic, is active against both gram-negative and gram-positive bacteria. In addition, cefotaxime blocks the division of cyanobacteria and lower plant organelles/plastids such as the photosynthetic organelles of Glaucophytes and chloroplasts of bryophytes.
Cefotaxime is used for infections of the respiratory tract, skin, bones, joints, urogenital system, meninges, and bloodstream. It generally has good coverage against most Gram-negative bacteria, with the notable exception of Pseudomonas. It is also effective against most Gram-positive cocci except for Enterococcus. It is active against penicillin-resistant strains of Streptococcus pneumoniae. It has modest activity against the anaerobic Bacteroides fragilis. In meningitis, cefotaxime crosses the blood–brain barrier better than cefuroxime.
Cefotaxim inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs) which inhibits the final transpeptidation step of peptidoglycan synthesis in bacterial cell walls. As a result, bacteria lyse due to cell wall autolytic enzymes.

SDS

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Phenol red sodium salt

Supplier: TCI America
Description: CAS Number: 34487-61-1
MDL Number: MFCD00066901
Molecular Formula: C19H14O5S
Molecular Weight: 376.36
Form: Crystal
Color: Yellow Red
Boiling point (°C): 285

SDS Certificates

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2,2'-Bicinchoninic acid disodium salt 96%

Supplier: Ambeed
Description: Sodium [2,2'-biquinoline]-4,4'-dicarboxylate, Purity: 96%, CAS Number: 979-88-4, Appearance: Form: Crystal - Powder/Colour: White - Yellow, Storage: Keep in dark place, Inert atmosphere, Room temperature, Size: 1mg

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Methyl orange 0.1% in aqueous solution indicator, Supelco®

Supplier: MilliporeSigma
Description: pH 3.1 --> 4.4 (red yellow-orange)

Certificates

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Sodium (R)-2-(6-(4-chlorophenoxy)hexyl)oxirane-2-carboxylate 98%

Supplier: Ambeed
Description: Sodium (R)-2-(6-(4-chlorophenoxy)hexyl)oxirane-2-carboxylate, Purity: 98%, CAS Number: 828934-41-4, Appearance: White to pale-yellow powder or crystals, Storage: Inert atmosphere, 2-8C, Size: 5MG

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Cytidine-5'-diphosphate trisodium salt 95%

Catalog Number: (76970-900)
Supplier: Ambeed
Description: Sodium ((2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl diphosphate, Purity: 95%, CAS number: 34393-59-4, Appearance: Form: Crystal - Powder / Colour: White - light yellow, Storage: Keep in dark place, Sealed in dry, Store in freezer, under -20C, Size: 1G
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Fluorescein disodium salt concentrate for examination of subterranean waters (Uranine AP) (C.I. 45350), Supelco®

Supplier: MilliporeSigma

Certificates

Product Image-TS19018-1000

Tropaeolin O, pure

Supplier: Thermo Scientific Chemicals
Description: Tropaeolin O, pure

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Tropaeolin O 0.04% (w/v) in aqueous solution

Supplier: Thermo Scientific Chemicals
Description: Transition interval: pH 11.0 (yellow) to pH 12.7 (orange)

SDS Certificates

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Sodium pentacyanoammineferroate(II) hydrate ≥95.0% (by titrimetric analysis)

Catalog Number: (TCS0050-025G)
Supplier: TCI America
Description: CAS Number: 14099-05-9
MDL Number: MFCD00059942
Molecular Weight: 271.94
Purity/Analysis Method: >95.0% (T)
Form: Crystal
Color: Pale Yellow
Storage Temperature: 0-10°C

SDS Certificates


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Sodium dodecyl sulfate (SDS) ≥99%, white powder

Supplier: MP Biomedicals
Description: SDS is an anionic detergent and wetting agent that is effective in both acid and alkaline solutions.

SDS Certificates

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Tropaeolin O 0.04% (w/v) in aqueous solution indicator

Supplier: Ricca Chemical
Description: Tropaeolin O 0.04% (w/v) in aqueous solution indicator

SDS Certificates Small Business Enterprise

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Pamoic acid disodium salt monohydrate ≥98.0% (by HPLC)

Catalog Number: (TCP1059-025G)
Supplier: TCI America
Description: CAS Number: 6640-22-8
MDL Number: MFCD00036183
Molecular Formula: C23H16O6
Molecular Weight: 432.34
Purity/Analysis Method: >98.0% (HPLC)
Form: Crystal
Color: Pale Yellow

SDS Certificates


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Methyl orange 0.1% (w/v) in aqueous solution indicator

Supplier: Ricca Chemical
Description: C.I. 13025; p-[[p-(dimethylamino)phenyl]azo]benzenesulfonic acid, sodium salt. CAS RN 547-58-0. Formula Weight: 327.33. Solution, 0.1% (w/v). pH 3.2 (pink)-4.4 (yellow). Packaged in a plastic container. 120mL.

SDS Certificates Small Business Enterprise

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