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, 25 Grams CAS# 931-86-2SKU: A88500-25.0-EAManufacturer: Research Products InternationalMol. Wt:112.09 Common Name: 4-Amino-1, 3.5-triazine-2-one Formula: C3H4N4O Dimensions: 1.63 x 3.00 x 1.63, Weight: 0.22, Cas#: 931-86-2 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$200.65 -
L-Arginine, 100 Grams CAS# 74-79-3SKU: A50010-100.0-EAManufacturer: Research Products InternationalMol. Wt:174.2 Common Name: Formula: C6H14N4O2 Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.32, Cas#: 74-79-3 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$46.00 -
Myo-Inositol, I-Inositol, 5 Kilograms CAS# 87-89-8SKU: I54040-5000.0-EAManufacturer: Research Products InternationalMol. Wt:180.2 Common Name: I-Inositol Formula: C6H12O6 Dimensions: 10.00 x 7.50 x 10.00, Weight: 12.4, Cas#: 87-89-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$734.65 -
Triton X-100, 1 GALSKU: 111020-EAManufacturer: Research Products InternationalDimensions: 6.75 X 11.5 X 3.5 Weight: 10 Research or further manufacturing use only, not for food or drug use. (1 per EA )Learn More$145.60 -
Coenzyme A, 25 MG CAS# 85-61-0SKU: C70800-0.025-EAManufacturer: Research Products InternationalMol. Wt:767.5 Common Name: Formula: C21H36N7O16P3S Dimensions: 1.25 x 1.75 x 1.25, Weight: 0.03, Cas#: 85-61-0 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$99.90 -
Lithium Dodecyl Sulfate, LDS, 1 Kilogram CAS# 2044-56-6SKU: L26200-1000.0-EAManufacturer: Research Products InternationalMol. Wt:272.33 Common Name: LDS Formula: C12H25LiO4S Dimensions: 4.88 x 7.25 x 4.88, Weight: 2.4, Cas#: 2044-56-6 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$800.50 -
SUCCINIC ACID, 500 GRAMS CAS# 110-15-6SKU: S42000-500.0-EAManufacturer: Research Products InternationalMol. Wt:118.1 Common Name: Butanedioic Acid Formula: C4H6O4 Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.24, Cas#: 110-15-6 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$146.15 -
Ertapenem Sodium Salt, 25 Grams CAS# 153773-82-1SKU: E32100-25.0-EAManufacturer: Research Products InternationalMol. Wt:497.5 Common Name: Formula: C22H24N3NaO7S Dimensions: 1.63 x 3.00 x 1.63, Weight: 0.22, Cas#: 153773-82-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$1,814.90 -
Ficoll 400, Polysucrose 400, 25 Grams CAS# 26873-85-8SKU: F10400-25.0-EAManufacturer: Research Products InternationalMol. Wt:400000 Common Name: Polysucrose 400 Formula: Dimensions: 1.63 x 3.00 x 1.63, Weight: 0.22, Cas#: 26873-85-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$117.50 -
Glycerol, ACS Grade, 4 Liters CAS# 56-81-5SKU: G22025-4.0-EAManufacturer: Research Products InternationalMol. Wt:92.1 Common Name: Formula: C3H8O3 Dimensions: 7.00 x 12.00 x 4.00, Weight: 11.1, Cas#: 56-81-5 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$187.60 -
ADP, Adenosine-5'-diphosphate, disodium salt dihydrate, 5 Grams CAS# 16178-48-6SKU: A11220-5.0-EAManufacturer: Research Products InternationalMol. Wt:507.2 Common Name: Adenosine-5'-diphosphate, disodium salt, dihydrate Formula: C10H13N5O10P2Na2-2H2O Dimensions: 3.38 x 4.63 x 3.38, Weight: 0.12, Cas#: 16178-48-6 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$152.40 -
Esculin, 100 Grams CAS# 531-75-9SKU: E38000-100.0-EAManufacturer: Research Products InternationalMol. Wt:340.28 Common Name: Formula: C15H16O9 - xH2O Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.31, Cas#: 531-75-9 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$347.60 -
Potassium Carbonate ACS Grade, 500 Grams CAS# -480438SKU: P41500-500.0-EAManufacturer: Research Products InternationalMol. Wt:138.21 Common Name: Formula: K2CO3 Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.24, Cas#: -480438 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$63.00 -
ADA, N-, Carbamoylmethyl, iminodiacetic acid, 100 Grams CAS# 26239-55-4SKU: A10030-100.0-EAManufacturer: Research Products InternationalDimensions: 3.5X3.75X3.5 Weight: 0.32 - Research or further manufacturing use only, not for food or drug use. (1 per EA )Learn More$83.45 -
Myo-Inositol, I-Inositol, 1 Kilogram CAS# 87-89-8SKU: I54040-1000.0-EAManufacturer: Research Products InternationalMol. Wt:180.2 Common Name: I-Inositol Formula: C6H12O6 Dimensions: 4.88 x 7.25 x 4.88, Weight: 2.42, Cas#: 87-89-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$258.80 -
EDTA 0.5M Solution pH 8.0, 500 MillilitersSKU: E14000-500.0-EAManufacturer: Research Products InternationalDimensions: 2.75 x 6.75 x 2.75 Weight: 0.27 - Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$83.45 -
L-Cystine, 100 Grams CAS# 56-89-3SKU: C81060-100.0-EAManufacturer: Research Products InternationalProduct usually ships within 24 hours. This product is sold for laboratory research use only. Mol. Wt:240.3 Common Name: Formula: C6H12N2O4S2 Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.32, Cas#: 56-89-3 Research or further manufacturing use only, not for (1 per EA)Learn More$46.00 -
Digitonin, Water Soluble, 1 Gram CAS# 11024-24-1SKU: D43065-1.0-EAManufacturer: Research Products InternationalMol. Wt:1229.3 Common Name: Formula: C56H92O29 Dimensions: 1.25 x 1.75 x 1.25, Weight: 0.03, Cas#: 11024-24-1 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$1,528.00 -
Pyridoxal-5-Phosphate Monohydrate, 25 Grams CAS# 41468-25-1; 54-47-7SKU: P20750-25.0-EAManufacturer: Research Products InternationalMol. Wt:265.15 Common Name: Formula: C8H10NO6P - H2O Dimensions: 1.63 x 3.00 x 1.63, Weight: 0.5, Cas#: 41468-25-1; 54-47-7 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$467.10 -
DHZ, 25 MG CAS# 14894-18-9SKU: D43080-0.025-EAManufacturer: Research Products InternationalPurity: >98% Soluble in: Ethanol Store at: 0-5°C Product usually ships within 24 hours. This product is sold for laboratory research use only. Mol. Wt:221.3 Common Name: DHZ Formula: C10H15N5O Dimensions: 1.25 x 1.75 x 1.25, Weight: 0.03, Cas#: 1489 (1 per EA)Learn More$169.70 -
TRIS ACETATE ULTRA PURE, 100 GRAM CAS# 6850-28-8SKU: T60070-100.0-EAManufacturer: Research Products InternationalMol. Wt:181.19 Common Name: Formula: C14H11NO3C2H4O2 Dimensions: 3.50 x 3.75 x 3.50, Weight: 0.32, Cas#: 6850-28-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$64.15 -
EDTA Ferric Sodium Salt, Ethylenediaminetetraacetic acid ferric sodium salt, 1 Kilogram CAS# 15708-41-5SKU: E57040-1000.0-EAManufacturer: Research Products InternationalUsually ships within 24 hours. This product is sold for laboratory research use only. Mol. Wt:367 Common Name: Ethylenediaminetetraacetic acid ferric sodium salt Formula: C10H12N2O8FeNa Dimensions: 4.88 x 7.25 x 4.88, Weight: 2.4, Cas#: 15708-41-5 Resear (1 per EA)Learn More$161.75 -
Antipain, 25 MGSKU: A20560-0.025-EAManufacturer: Research Products InternationalDimensions: 1.25 X 1.75 X 1.25, Weight: 0.06, Cas#: 37682-72-7 Research or further manufacturing use only, not for food or drug use. (1 per EA )Learn More$279.25 -
Taurine, 2-Aminoethanesulfonic acid, 500 Grams CAS# 107-35-7SKU: T38200-500.0-EAManufacturer: Research Products InternationalMol. Wt:125.15 Common Name: 2-Aminoethanesulfonic acid Formula: C2H7NO3S Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.23, Cas#: 107-35-7 Research or further manufacturing use only, not for food or drug use. (1 per EA)Learn More$169.70
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