You Searched For: Riboflavine (Vitamin B2)

Catalog Number: (97062-302)

Supplier: VWR

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Supplier: THERMO FISHER SCIENTIFIC CHEMICALS

Description: Riboflavine (vitamin B2) 98%

Supplier: MP Biomedicals

Description: A vitamin/enzyme cofactor found in milk, eggs, malted barley, liver, kidney, heart, leafy vegetables. Richest natural source is yeast. Occurs in the free form only in the retina of the eye, in whey, and in urine; bioactive forms occurring in tissues and cells are riboflavin monophosphate and flavine-adenine dinucleotide. Used as a photoinitiator for polymerization of polyacrylamide gels. It forms free radicals in aqueous solution in the presence of light. Riboflavin photodecomposes to leucoflavin. No free radicals are formed in the absence of oxygen but traces of oxygen allows for leucoflavin to reoxidize with free-radical generation. The catalysts TEMED or DMAPN are commonly added to speed up the free radical formation. The free radicals will cause acrylamide and bis-acrylamide to polymerize to form a gel matrix which can be used for electrophoresis. Riboflavin is commonly used in the stacking gel for non-denaturing polyacrylamide electrophoresis because native proteins can be senstive to persulfate ions from ammonium persulfate. Another advantage of riboflavin over ammonium persulfate is that it will not start polymerization until the gel is illuminated. Riboflavin causes less denaturing than other initiators. Gel strength can be improved when used with PTO (Pyrithione). Soluble in 0.1 M Sodium Hydroxide (50 mg/ml - clear, yellowish-orange solution); only slightly soluble in water.

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Supplier: Thermo Scientific Chemicals

Description: Photoinitiator of polymerization for PAGE gels

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Supplier: TCI America

Description: CAS Number: 83-88-5 MDL Number: MFCD00005022 Molecular Formula: C17H20N4O6 Molecular Weight: 376.37 Form: Crystal Color: Yellow Specific rotation [a]20/D: -135 deg (C=0.5, JP Method)

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Catalog Number: (80109-776)

Supplier: MilliporeSigma

Description: A water soluble vitamin involved in the synthesis of flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). Provides protection against oxidative damage.

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Supplier: Spectrum Chemicals

Description: Riboflavin, FCC is also referred to as vitamin B2 and used as a dietary supplement. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage and nutritional supplement applications. Spectrum Chemical offers over 300 Food grade chemical ingredients packaged in laboratory size bottles to production drum quantities and are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.

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Supplier: Spectrum Chemicals

Description: Riboflavin, USP is also referred to as vitamin B2 and used as a dietary supplement.

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Supplier: RPI

Description: Riboflavine (vitamin B2)

Supplier: BeanTown Chemical

Description: CAS: 83-88-5; EC No: 201-507-1; MDL No: MFCD00005022 Powder; Molecular Formula: C17H20N4O6; MW: 376.37 Melting Point: 290° (decomposes)

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Catalog Number: (AAJ66632-14)

Supplier: Thermo Scientific Chemicals

Description: Powder

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Supplier: AMBEED, INC

Description: Riboflavine (vitamin B2) 98%

Supplier: Sigma Aldrich

Description: 1KG CAS 83-88-5