This category covers everyday reagents for molecular and cell biology work. It includes buffers and buffer components such as Tris base, MOPS, CAPS, Bicine, glycine, 0.5 M EDTA solution at pH 8.0 and PBS tablets; detergents including Triton X-100, Tween 20, Tween 80, CHAPS and sodium deoxycholate; bovine serum albumin as Fraction V powder and 20 mg/ml solution; polymers like PEG 1000, PEG 8000 and Ficoll 400; and DNase- and RNase-free molecular biology grade water, along with enzymes, cofactors and amino acids. Pack sizes run from milligrams to kilograms and from milliliters to multi-liter containers.
Check the grade first: molecular biology grade material is tested for nucleases, while ultra pure and reagent grades are defined by each manufacturer's specification. Then compare purity, form (powder, solution or tablet), pack size against how fast you use the material, and storage conditions. Review the SDS before use and request a Certificate of Analysis when you need lot-level records.
Molecular Biology Reagents: common questions
What are life science or biological reagents?
Biological or life science reagents are the chemicals and biological materials used to prepare, grow, separate or analyze cells, proteins and nucleic acids. Examples include buffers, detergents, salts, proteins such as BSA, enzymes, nucleotides and cofactors, and specially purified water. They are graded by purity and testing, which determines whether they suit routine work or sensitive applications.
What does molecular biology grade mean?
Molecular biology grade generally means the material has been tested for, and found free of detectable, DNase, RNase and often protease activity, so it will not degrade DNA, RNA or proteins in your samples. The exact tests vary by manufacturer, so check the specification sheet or Certificate of Analysis for what was tested and the limits used.
What is a lyophilized reagent?
A lyophilized reagent has been freeze-dried: frozen, then dried under vacuum so the water sublimes. The dry product is usually more stable in storage and shipping than a liquid. Before use it is reconstituted with the volume and type of liquid the manufacturer specifies. After reconstitution, follow the stated storage conditions and shelf life.
Can I get pricing for bulk quantities of reagents?
Yes. Volume and quote pricing is available through the Contact Us page, and approved business accounts can pay by purchase order. Chemicals ship only to business addresses, with a company name required at checkout. Many items ship directly from the manufacturer, so lead times vary by item.
Related categories: Tissue Culture · PCR Supplies · Dyes and Stains · Antibiotics · Electrophoresis · Cell Culture Media · DNA Reagents · Cell Spreaders, Strainers · All Life Science
Top brands: Research Products International · Spectrum Chemical · 710 Spirits Rocky Mtn Reagents
Popular Molecular Biology Reagents:
Molecular Biology Reagents
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5-Azacytosine, 4-Amino-1,3.5-triazine-2-one, 100 Grams CAS# 931-86-2SKU: A88500-100.0-EAManufacturer: Research Products InternationalMol. Wt:112.09 Common Name: 4-Amino-1, 3.5-triazine-2-one Formula: C3H4N4O Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.31, Cas#: 931-86-2 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$600.15 -
CAPS, 3-, Cyclohexylamino, -1-propanesulphonic acid, 100 Grams CAS# 1135-40-6SKU: C30060-100.0-EAManufacturer: Research Products InternationalMol. Wt:221.3 Common Name: 3-(Cyclohexylamino)-1 propanesulphonic acid Formula: C9H19NO3S Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.32, Cas#: 1135-40-6 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$46.00 -
MOPS, Sodium Salt [3-(N-Morpholino)-propanesulfonic acid sodium salt], 5 Kilograms CAS# 71119-22-7SKU: M92040-5000.0-EAManufacturer: Research Products InternationalMol. Wt:231.3 Common Name: 3-(N-Morpholino)propanesulfonic acid sodium salt Formula: C7H14NO4SNa Dimensions: 10.00 x 7.50 x 10.00, Weight: 12.4, Cas#: 71119-22-7 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$1,416.50 -
MUG, 100 MG CAS# 6160-80-1SKU: M65900-0.1-EAManufacturer: Research Products InternationalMol. Wt:406.4 Common Name: 4-Methylumbelliferyl-β-D-glucuronide Trihydrate Formula: C16H16O9-3H2O Dimensions: 1.25 x 1.75 x 1.25, Weight: 0.03, Cas#: 6160-80-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$75.80 -
L-Lysine Hydrochloride, 1 Kilogram CAS# 657-27-2SKU: L37040-1000.0-EAManufacturer: Research Products InternationalMol. Wt:182.7 Common Name: Formula: C6H14N2O2 - HCl Dimensions: 4.88 x 6.00 x 4.88, Weight: 2.4, Cas#: 657-27-2 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$189.85 -
Calcium D-Pantothenate, 500 Grams CAS# -643703SKU: C35200-500.0-EAManufacturer: Research Products InternationalMol. Wt:476.54 Common Name: Formula: C18H32CaN2O10 Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.23, Cas#: -643703 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$499.70 -
L-SERINE, 25GM CAS# 56-45-1SKU: S22020-25.0-EAManufacturer: Research Products InternationalMol. Wt:105.1 Common Name: Formula: C3H7NO3 Dimensions: 1.63 x 3.00 x 1.63, Weight: 0.22, Cas#: 56-45-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$64.15 -
Sodium Diatrizoate Dihydrate, 500 Grams CAS# 737-31-5SKU: S98250-500.0-EAManufacturer: Research Products InternationalMol. Wt:671.9 Common Name: Formula: C11H8I3N2NaO4 - 2H2O Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.25, Cas#: 737-31-5 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$797.95 -
Tris Base Ultra Pure [Tris (Hydroxymethyl) Aminomethane], 25 Kilograms CAS# 77-86-1SKU: T60040-25000.0-EAManufacturer: Research Products InternationalMol. Wt:121.1 Common Name: Tris (Hydroxymethyl) Aminomethane Formula: C4H11NO3 Dimensions: 16.00 x 11.50 x 9.50, Weight: 59.99, Cas#: 77-86-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$2,120.50 -
Phosphoramidon, 5 MG CAS# 119942-99-3SKU: P20275-0.005-EAManufacturer: Research Products InternationalMol. Wt:587.5 Common Name: Formula: C23H32N3O10P - 2Na Dimensions: 1.25 x 1.75 x 1.25, Weight: 0.03, Cas#: 119942-99-3 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$388.20 -
a-Cyclodextrin, 1 Gram CAS# 10016-20-3SKU: C88150-1.0-EAManufacturer: Research Products InternationalMol. Wt:972.9 Common Name: Formula: C36H60O30 Dimensions: 1.25 x 1.75 x 1.25, Weight: 0.03, Cas#: 10016-20-3 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$53.65 -
TRIS Hydrochloride, Tris, hydroxymethyl, aminomethane HCl, 5 Kilograms CAS# 1185-53-1SKU: T60050-5000.0-EAManufacturer: Research Products InternationalMol. Wt:157.6 Common Name: Tris(hydroxymethyl) aminomethane hydrochloride Formula: C4H11NO3-HCl Dimensions: 10.00 x 7.50 x 10.00, Weight: 12.43, Cas#: 1185-53-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$556.75 -
6-Mercaptopurine, 5 Grams CAS# 6112-76-1SKU: M22020-5.0-EAManufacturer: Research Products InternationalMol. Wt:170.2 Common Name: Formula: C5H4N4S-H2O Dimensions: 3.38 x 4.63 x 3.38, Weight: 0.17, Cas#: 6112-76-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$92.25 -
CHAPS [3-[(3-Cholamidopropyl)-dimethylammonio]-1-propanesulfonate], 100 Grams CAS# 26926106SKU: C41010-100.0-EAManufacturer: Research Products InternationalMol. Wt:614.9 Common Name: 3-[(Cholamidopropyl) dimethylammonio]-1-propanesulfonate Formula: C32H58N2O7S Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.19, Cas#: 26926106 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$2,255.85 -
AMPSO, 3-, 1,1-Dimethyl-2-hydroxyethyl, amino, -2-hydroxypropanesulfonic acid, 100 Grams CAS# 68399-79-1SKU: A20520-100.0-EAManufacturer: Research Products InternationalMol. Wt:227.3 Common Name: 3-(1,1-Dimethyl-2 hydroxyethyl) amino-2-hydroxypropanesulfonic acid Formula: C7H17NO5S Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.32, Cas#: 68399-79-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$264.50 -
CHAPS, 3-, 3-Cholamidopropyl, -dimethylammonio, -1-propanesulfonate, 25 Grams CAS# 26926106SKU: C41010-25.0-EAManufacturer: Research Products InternationalMol. Wt:614.9 Common Name: 3-[(Cholamidopropyl) dimethylammonio]-1-propanesulfonate Formula: C32H58N2O7S Dimensions: 1.63 x 3.00 x 1.63, Weight: 0.22, Cas#: 26926106 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$578.30 -
TES, Free Acid, 2-Tris, hydroxymethyl, -methyl-2-amino 1-ethanesulfonic acid, 1 Kilogram CAS# 7365-44-8SKU: T31022-1000.0-EAManufacturer: Research Products InternationalMol. Wt:229.25 Common Name: 2-Tris(hydroxymethyl)-methyl-2-amino 1-ethanesulfonic acid Formula: C6H15NO6S Dimensions: 4.88 x 7.25 x 4.88, Weight: 2.42, Cas#: 7365-44-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$605.00 -
Water, Molecular Biology Grade, DNase and RNase Free, 500 mL CAS# 7732-18-5SKU: 248700-500.0-EAManufacturer: Research Products InternationalDimensions: 3X7X3, Weight: 1.31, Cas#: 7732-18-5 Research or further manufacturing use only, not for food or drug use. (1 per EA )Learn More$41.75 -
Water, Molecular Biology Grade, DNase and RNase Free, 1 L CAS# 7732-18-5SKU: 248798-EAManufacturer: Research Products InternationalDimensions: 5.5X8X3, Weight: 2.64, Cas#: 7732-18-5 Research or further manufacturing use only, not for food or drug use. (1 per EA )Learn More$46.00 -
Triton X-100, Reagent Grade, 5 GalSKU: 400002-EAManufacturer: Research Products InternationalDimensions: 6.75X18.5X3.5 Weight: 43 - Research or further manufacturing use only, not for food or drug use. (1 per EA )Learn More$626.00
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