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Study the effect of wave plates on polarized light

The nation's most exciting science competition now has kits for at-home use!

Have you ever wondered why some of your friends can roll their tongues, but you can't?

CAS Number: 50-78-2
Formula Weight: 180.16
Formula: 2-CH₃COOC₆H₄COOH
Density (g/mL): 1.35
Boiling Point (°C): Decomposes
Freezing Point (°C): 135
Solubility: Alcohol and Chloroform
Synonyms: Salicylic Acid Acetate, Aspirin, 2-(acetyloxy)-Benzoic acid
Shelf Life (months): 12
Storage: Green

VWR® Advanced Mini Dry Block Heaters and Mini Dry Block Heaters with Heated Lid are ideal for a variety of applications that require accurate and repeatable results such as LAMP assays, immunoassays, enzyme reactions, and denaturations.

These Scout balances are the next generation of portable balances for the classroom.

Measure oxygen concentration and percent saturation

Three hour online safety training for teaching assistants before any lab work.

Simple-to-use benchtop meter designed to easily measure conductivity, TDS and salinity.

As part of the GE line of non-invasive testing systems, the GE Mac 5500 EKG system offers the high-tech capabilities of the most advanced EKG systems with easy-to-use features.

Bioassays that Glow

CAS Number: 1718-34-9
Formula Weight: 309.22
Formula: C₁₃H₈N₃O₅Na
Hazard Info: Irritant
Density (g/mL): >1
Boiling Point (°C): Decomposes
Freezing Point (°C): 250
Solubility: Many Organic Solvents, Hot Methyl Alcohol and Water
Synonyms: Mordant Yellow 3R, C.I. No. 14095
Shelf Life (months): 36
Storage: Green

CAS Number: 7789-09-5
Formula Weight: 252.06
Formula: (NH₄)₂Cr₂O₇
Hazard Info: Oxidizer, Flammable, Toxic, Irritant
Density (g/mL): 2.15
Freezing Point (°C): 170
Solubility: Water and Alcohol
Synonyms: Ammonium Bichromate, Dichromic Acid Diammonium Salt, Diammonium Dichromate(VI)
Shelf Life (months): 12
Storage: Yellow

CAS Number: 1319-46-6
Formula: (PbCO₃)₂ • Pb(OH)₂
Formula Weight: 775.60
Freezing Point (°C): 400
Hazard Info: Toxic, Irritant
Shelf Life (months): 12
Solubility: Acids
Storage: Green
Synonyms: White Lead, Basic Lead Carbonate

Please Note: This product is designed for educational and teaching laboratories and no certificate of analysis is available.

Six different models can be built with one chassis.

Learn about amino acids, the building blocks of proteins, and how to separate and identify them using paper chromatography.