S2K Commerce - Products Dropdown
S2K Commerce - Shopping Cart
S2K Commerce - Order Entry
PR1MA™ Boric Acid
CAS Number: 10043-35-3
Molecular Weight: 61.83
Chemical Formula: H3BO3
Solubility: Water
Storage Temp: Room Temperature
For use in preparing electrophoresis buffers.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Powder
- Calcium (Ca): ≤ 0.005 %
- Chloride: ≤ 0.001 %
- Heavy Metals (as Pb): ≤ 0.001 %
- Insolubles (Methanol): ≤ 0.005 %
- Iron: ≤ 0.001 %
- Nonovolatiles (Methanol): ≤ 0.05 %
- Phosphate: ≤ 0.001 %
- Purity: ≥ 99.5 %
- Sulfate: ≤ 0.01 %
Boric, Acid, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Guanidine Thiocyanate
CAS Number: 593-84-0
Molecular Weight: 118.2
Chemical Formula: CH5N3 • HSCN
Solubility: Water
Storage Temp: Room Temperature
Protein denaturant used for purifying proteins and nucleic acids.
Toxicity: LD50
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to slightly off white crystalline powder
- Assay (Argentometric Titration): ≥ 99.0 %
- Assay (Ion Chromatography): ≥ 99.5 %
- Chloride Content: ≤ 1.0 %
- Cobalt (Co) : ≤ 5 ppm
- FTIR: Conforms to reference
- Iron: ≤ 5 ppm
- pH: 5.0 - 7.0
- DNase/ RNase: None Detected
- Melting Point: 118 - 121 oC
- Solubility: Pass
- Sulfate Ash: ≤ 0.5 %
- Moisture : ≤ 0.5 %
- Grade: Ultra Pure
- Country of Origin: Report
Guanidine, Thiocyanate, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Guanidine Hydrochloride
CAS Number: 50-01-1
Molecular Weight: 95.5
Chemical Formula: CH5N3-HCl
Solubility: Water
Storage Temp: Room Temperature
Protein denaturant used for purifying proteins and nucleic acids.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Assay (Titration, dried basis): ≥ 99.5 %
- Copper (Cu): ≤ 1 ppm
- DNase, RNase, protease: Not Detected
- Free Acid: ≤ 0.01 %
- Heavy Metals (as Pb): ≤ 0.5 ppm
- Identification (IR): Conforms to Known Structure
- Iron (Fe): ≤ 1 ppm
- Loss on Drying: ≤ 1 %
- Melting Point: 185 - 188 oC
- pH (10% solution in H2O @ 25oC): 5.0 - 7.0
- Residue on Ignition: ≤ 0.05 %
- Solubility (6% Solution in H2O): Clear
- UVA (230nm, 6M H2O solution): ≤ 0.14
- UVA (240nm, 6M H2O solution): ≤ 0.05
- UVA (260nm, 6M H2O solution): ≤ 0.03
- Zinc (Zn): ≤ 1 ppm
Guanidine, Hydrochloride, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Potassium Chloride
CAS Number: 7447-40-7
Molecular Weight: 74.6
Chemical Formula: KCl
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: Colorless Crystals or White Granular
- Acidity/Alkalinity: Pass Test
- Aluminium: ≤ 1 ppm
- Assay: 99.0 - 100.5 %
- Barium: Pass Test
- Bromides: ≤ 0.1 %
- Heavy Metals (as Pb): ≤ 10 ppm
- Identity Reaction: Pass Test
- Iodide: ≤ 50 ppm
- Loss on Drying: ≤ 1.0 %
- Sodium: ≤ 1000 ppm
- Solubility: Freely soluble in water, practically insoluble in anhydrous ethanol
- Sulfate : ≤ 300 ppm
- Grade: Meets current USP Specifications
Potassium, Chloride, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ TRIS Hydrochloride [Tris(hydroxymethyl) aminomethane HCl]
Common Name: Tris(hydroxymethyl) aminomethane hydrochloride
CAS Number: 1185-53-1
Molecular Weight: 157.6
Chemical Formula: C4H11NO3 • HCl
Solubility: Water
Storage Temp: Room Temperature
Highly purified for use in molecular biology applications.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White crystalline
- Assay: 99.0 - 101.0 %
- pH (1% aqueous solution): 4.2 - 5.0
- Solubility (1M Solution in Water ) : Clear, colorless solution
- UV Absorbance @260nm, 1.0 M in H2O: ≤ 0.06
- UV Absorbance @280nm, 1.0 M in H2O: ≤ 0.05
- Identification: Conforms
- Heavy Metals : ≤ 5 ppm
- Grade: USP
TRIS, Hydrochloride, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Proteinase K
CAS Number:
39450-01-6
Solubility:
Water
Storage Temp:
-20°C
From Tritirachium album. Serine protease for proteolytic inactivation of nucleases during isolation of DNA and RNA.
Shipping Weight:
0 lbs
Shipping Dimensions:
1.25 x 1.75 x 1.25
Specifications
Appearance: White to Off White Lyophilized Solid
Solubility: 50mM Tris-HCl (pH 7.5), 3mM CaCl2, 50% Glycerol
Purity: ≥ 98.0 %
DNase/ RNase: Not Detected
Activity: ≥ 30.0 U/mg
Unit Definition: 1 unit is defined as the amount of enzyme that will
liberate 1.0 µmol of tyrosine from casein/min @37°C, pH 7.5
Country of Origin: China
Research or further manufacturing use only, not for food or drug use.
Proteinase, K, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Formamide, Super Pure
Specifications
- Appearance: Clorless Liquid
- Assay: ≥ 99.5 %
- Freezing Point: 1.0 - 3.0 °C
- Copper: ≤ 0.0001 %
- Iron: ≤ 0.0005 %
- Lead (Pb): ≤ 0.0001 %
- Zinc: ≤ 0.0001 %
Formamide, Super, Pure PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Sodium Acetate, Anhydrous
CAS Number: 127-09-3
Molecular Weight: 82.0
Chemical Formula: C2H3O2Na
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Powder
- Assay: ≥ 99.0 %
- pH (5% Solution): 7.0 - 9.2
- Solubility: Soluble in Water
- Loss on Drying (120 oC): ≤ 1.0 %
- Calcium (Ca): ≤ 0.005 %
- Chloride (Cl): ≤ 0.002 %
- Heavy Metals (as Pb): ≤ 0.001 %
- Insoluble Matter: ≤ 0.01 %
- Iron (Fe): ≤ 0.001 %
- Magnesium (Mg): ≤ 0.002 %
- Phosphate: ≤ 0.001 %
- Sulfate (SO4): ≤ 0.003 %
- Grade: Meet USP/ACS Specifications
Sodium, Acetate, Anhydrous, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Glycine, Free Base
CAS Number: 56-40-6
Molecular Weight: 75.1
Chemical Formula: C2H5NO2
Solubility: Water
Storage Temp: Room Temperature
For use in preparing electrophoresis buffers. Cell culture tested.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White odorless crystalline powder with sweet taste.
- Solubility (5% in water): Clear & colorless
- Identification (IR): Test Passes
- Loss on Drying (@105 oC for 2 hrs): ≤ 0.20 %
- Residue on Ignition: ≤ 0.10 %
- Chloride (Cl): ≤ 0.007 %
- Sulfate: ≤ 0.0065 %
- Heavy Metals: ≤ 0.002 %
- Hydrolyzable Substances: Test Passes
- Related Compound (Diglycine): ≤ 0.1 %
- Related Compound (Triglycine): ≤ 0.1 %
- Related Compound (Glycine Anhydride): ≤ 0.1 %
- Related Compound (Monochloro Acetic Acid): ≤ 0.1 %
- Related Compound (Iminodiacetic Acid): ≤ 0.1 %
- Related Compound (Haxamathylenetetraamine): ≤ 0.1 %
- Related Compound (Total Impurities): ≤ 1.0 %
- Residual Solvent (Chloroform): ≤ 60 mcg/gm
- Residual Solvent (1,4 Dioxane): ≤ 380 mcg/gm
- Residual Solvent (Methylene Chloride): ≤ 600 mcg/gm
- Residual Solvent (Trichloroethylene): ≤ 80 mcg/gm
- Methanol: ≤ 0.3 %
- Assay: 98.5 - 101.5 %
- Arsenic: ≤ 1.0 ppm
- Total Viable Bacterial Count: ≤ 1000 Cfu/gm
- Coliform Count: Negative
- Yeast and Mold Count: ≤ 100 CFU/g
- Test for E-Coli: Absent
- Test for Salmonella: Absent
- Test for S-Aureus: Absent
- Test for Pseudoomonas: Absent
- BSE/TSE Free: BSE/TSE Free
- Grade: USP
- Country of Origin: Report
Glycine, Free, Base,PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA D-(+)-Glucose [Dextrose Anhydrous]
- Common Name: Dextrose Anhydrous
- CAS Number: 50-99-7
- Molecular Weight: 180.16
- Chemical Formula: C6H12O6
- Solubility: Water
- Storage Temp: Room Temperature
USP Grade material.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Assay: 97.5 - 102.0 %
- Identification (FTIR Spectrum): Pass Test
- Identification (HPLC): Matches the reference
- Specific Rotation: +52.6 - +53.2 °
- Moisture: ≤ 1.0 %
- Residue on Ignition: ≤ 0.1 %
- Color of solution: Qualified
- Conductivity: ≤ 20.0 µs/cm
- Dextrins: Qualified
- Soluble starch and sulfite: Qualified
- Related Substance ( Maltitol and Isomalt): ≤ 0.4 %
- Related Substance (Maltotriose): ≤ 0.2 %
- Related Substance (Fructose): ≤ 0.15 %
- Related Substance ( Unspecified Impurities): ≤ 0.1 %
- Related Substance (Total impurity): ≤ 0.5 %
- Heavy Metals: ≤ 5 ppm
- Residual Solvents: None
- Total Bacterial Count: ≤ 1000 cfu/g
- Mold and Yeast: ≤ 100 cfu/g
- E.Coli: Negative
- Endotoxin: ≤ 1.25 EU/g
- Source: Corn
- Grade: Meets the current USP Grade
- BSE/TSE Free: BSE/TSE Free
- Country of Origin: Report
D-(+)-Glucose, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ bis-Acrylamide
CAS Number: 110-26-9
Molecular Weight: 154.2
Chemical Formula: C7H10N2O2
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Absorbance 290 nm (1% water ): ≤ 0.2
- Acrylic Acid: ≤ 0.001 %
- Conductivity (2% Water): ≤ 5 umhos
- DNase: Not Detected
- Identification: Pass
- pH (1%, 0.1M NaCl) 25oC: ≥ 5.0
- Protease: Not Detected
- Purity: ≥ 99.0 %
- RNase: Not Detected
bis-Acrylamide, PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities
PR1MA™ Imidazole [Glyoxaline] [1,3-Diaza-2-,4-cyclopentadiene]
Common Name: [Glyoxaline] [1,3-Diaza-2,4-cyclopentadiene]
CAS Number: 288-32-4
Molecular Weight: 68.1
Chemical Formula: C3H4N2
Solubility: Water
Storage Temp: Room Temperature
pKa (25°C):
6.9-7.0
pH range:
6.2-7.8
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to off white crystals
- Assay: ≥ 99.0 %
- DNase: Not Detected
- Identification: Pass Test
- Loss on Drying: ≤ 0.5 %
- Melting Point: 88 - 92 oC
- OPTICAL @ 260 NM: ≤ 0.2
- PKa @ 25°C: 6.79 - 7.19
- Protease: Not Detected
- RNase: Not Detected
Imidazole, [Glyoxaline], PR1MA, MIDSCI, Laboratory Supplies, High-Quality, Research, Consumables, Reagents, Equipment, Customer Service, Quick Shipping, Satisfaction Guarantee, Personalized Solutions, Universities