S2K Commerce - Products Dropdown
S2K Commerce - Shopping Cart
S2K Commerce - Order Entry
PR1MA™ Polymixin B Sulfate
CAS Number: 1405-20-5
Molecular Weight: 1385.61
Chemical Formula: C55H96N16O13 • 2H2SO4
Solubility: Water
Storage Temp: 2-8°C
Mixture of sulfates of polypeptides from certain strains of Bacillus
polymixa. Active against gram negative bacteria.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to Light Yellow Powder
- Identification: Pass Test
- pH (0.5% Solution): 5.0 - 7.5
- Loss on Drying: ≤ 7.0 %
- Single Impurity: ≤ 3.0 %
- Total impurities: ≤ 17.0 %
- Bacteria Colonies: ≤ 10/g
- Ecoli Colonies: Should not be found
- Fungi and Yeast colonies: ≤ 10/g
- Assay, HPLC (on dried basis) (Sum of polymxin B1,B2, B3 and B1-1): ≥ 80.0 %
- Assay, HPLC (on dried basis) (Polymyxin B3): ≤ 6.0 %
- Assay, HPLC (on dried basis) (Polymyxin B1-1): ≤ 15.0 %
- Assay (Dried Basis): ≥ 6000 U/mg
- Assay (Wet Basis): Report U/mg
- Non Animal Origin: Non Animal Origin
- Grade: USP
- Country of Origin: Report
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Spectinomycin Dihydrochloride Pentahydrate
CAS Number: 22189-32-8
Molecular Weight: 495.3
Chemical Formula: C14H24N2O7 • 2HCl • 5H2O
Solubility: Water
Storage Temp: 2-8°C
Aminocyclitol antibiotic that inhibits protein synthesis. Cell culture
tested.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White or almost white, Slightly hygroscopic powder
- Identification: Pass Test
- pH @25 °C: 3.8 - 5.6
- Potency : ≥ 603 IU/mg
- Residue after Ignition: ≤ 1.0 %
- Solubility: Clear and colorless to light yellow
- Specific Rotation: +15 - +21 °
- Water (KF): 16.0 - 20.0 %
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Acrylamide/bis-Acrylamide, Premixed Powder 19:1 Ratio
Storage Temp: Room Temperature
Pre-measured powder blend of acrylamide and bis-acrylamide for simple stock
solution preparation.
WARNING! This product can expose you to Acrylamide, a chemical which is
known to the State of California to cause cancer, developmental and
reproductive harm. For more information go to www.P65Warnings.ca.gov.
Research or further manufacturing use only, not for food or drug use.
- Appearance: Powder
- Solubility: Clear and complete
- Conductivity: ≤ 10 µmhos
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Peptone, Soy
CAS Number: 91079-46-8
Solubility: Water
Storage Temp: Room Temperature
From papaic hydrolysis of soybean meal. Low NaCl content.
Research or further manufacturing use only, not for food or drug use.
- Amino Nitrogen: ≥ 2.2 %
- Ash: ≤ 15 %
- Loss on Drying: ≤ 6.0 %
- pH (2% water) @25°C: 6.5 - 7.5
- Total Nitrogen: ≥ 7.0 %
- Coliform: Negative
- E.Coli: Negative
- Molds and Yeasts: ≤ 100 cfu/g
- Salmonella: Negative /25g
- Standard Plate Count : ≤ 5000 cfu/g
- Broth Formulations (Growth Supporting Properties): Satisfactory
- Peptone Agar (Growth Supporting Properties): Satisfactory
- Country of Origin of Raw Material : Report
- Raw Material Species: Plant
- Country of Origin of Enzymes : Report
- Enzyme Species: Porcine
- Country Of Manufacture: Report
Proudly made in the USA! Click here for more made in America products!
PR1MA™ PBS 1X Solution [Phosphate Buffered Saline 1X Sterile Solution]
Common Name: Phosphate Buffered Saline 1X Sterile Solution
CAS Number: 7647-14-5, 7447-40-7, 7558-79-4, 7778-77-0, 7732-18-5
Solubility: Water
Storage Temp: Room Temperature
Phosphate Buffered Saline is a buffer solution commonly used in biological
research. PBS has many uses because it is isotonic and non-toxic to most
cells. These uses include substance dilution and cell container rinsing.
Ready to use sterile 1X solution.
Ingredients:
- Sodium Chloride: 137 mM
- Potassium Chloride: 2.7 mM
- Phosphate Buffer: 11.9 mM
- pH: 7.4
- Does not contain Calcium or Magnesium
Research or further manufacturing use only, not for food or drug use.
- Appearance: Clear and Colorless Solution
- pH: 7.25 - 7.55
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Metronidazole
Molecular Weight: 171.2
Chemical Formula: C6H9N3O3
Solubility: Dilute acids
Storage Temp: Room Temperature
Derivative of 5-Nitroimidazole with activity against anaerobic protozoa and anaerobic bacteria. Protect from light.
Soluble in:
Water (10 mg / mL at 20°C)
Ethanol (5 mg / mL)
Methanol
Chloroform (<0.5 mg / mL)
DMSO (34 mg / mL at 25°C)
WARNING! This product can expose you to Metronidazole, a chemical which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White or yellowish powder
- Assay (Dry Basis): 99.0 - 101.0 %
- Identification: Conform
- Sulfated Ash: ≤ 0.1 %
- Non Animal Origin: Non Animal Origin
- Country of Origin: Report
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Tetracycline Hydrochloride
CAS Number: 64-75-5
Molecular Weight: 480.9
Chemical Formula: C22H24N2O8 • HCl
Solubility: Water
Storage Temp: Room Temperature
Bacteriostatic antibiotic with activity against gram positive and gram negative bacteria. Slightly soluble in water.
WARNING! This product can expose you to Tetracycline HCl, a chemical which is known to the State of California to cause developmental harm. For more information go to www.P65Warnings.ca.gov.
Research or further manufacturing use only, not for food or drug use.
- Appearance: Yellow, Crystalline Powder
- Identification (A, B, C): Pass Test
- Specific Rotation: -255 - - 240 °
- Crystallinity: Meets with specification
- pH (1% Solution): 1.8 - 2.8
- Loss on Drying (105 oC): ≤ 2.0 %
- Epitetracycline: ≤ 3.0 %
- 4-Ephianhydrotetracyline: ≤ 2.0 %
- Anhydrotetracycline: ≤ 0.5 %
- 2-Acetyl-2-Decarbamoyltetracycline: ≤ 1.5 %
- Chlortetracycline: ≤ 0.5 %
- Sum of impurities other than epitetracycline: ≤ 5.0 %
- Assay of Tetracycline Hydrochloride (On Dried Basis): ≥ 900 µg/mg
- Residual Solvent (1-Butanol): ≤ 5000 ppm
- Residual Solvent (Acetone): ≤ 500 ppm
- Grade: USP
- Country of Origin: Report
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Neomycin Sulfate
CAS Number: 1405-10-3
Molecular Weight: 908.9
Chemical Formula: C23H46N6O13 • 3H2SO4
Solubility: Water
Storage Temp: Room Temperature
Aminoglycoside antibiotic active against most gram negative bacteria. Selective agent for the incorporation of the NPT II (APH3') gene in plant tissue. Plant cell culture tested.
Ingredients:
- Neomycin B: 85%
- Neomycin C: 10%
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to Yellowish- White Powder
- Identification: Pass Test
- Loss on Drying: ≤ 8.0 %
- pH (3.3 % in Aqueous Solution): 5.0 - 7.5
- Potency : ≥ 600 IU/mg
- Non Animal Origin: Non Animal Origin
- Country of Origin: Report
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Cefsulodin, Sodium Salt
CAS Number: 52152-93-9
Molecular Weight: 554.5
Chemical Formula: C22H19N4NaO8S 2
Solubility: Water
Storage Temp: 2-8°C
Cefsulodin is a third generation cephalosporin antibiotic that inhibits cell wall synthesis. It has high activity against Pseudomonas aeruginosa with no significant activity against other gram negative bacteria. Limited activity against gram positive and anaerobic bacteria.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to yellow crystalline powder
- Assay (Anhydrous): ≥ 86.0 %
- Chromatographic Purity : ≥ 98.0 %
- Isonicotinic Acid Amide: ≤ 1.0 %
- pH: 3.3 - 4.8
- Specific Optical Rotation: +16.5 - +20.0 °
- Total of other impurities: ≤ 1.5 %
- Water: ≤ 5.0 %
Proudly made in the USA! Click here for more made in America products!
PR1MA™
p-Amino Benzoic Acid [Vitamin H1]
Common Name: Vitamin H1
CAS Number: 150-13-0
Molecular Weight: 137.1
Chemical Formula: C7H7NO2
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White crystalline powder
- Assay: ≥ 98.5 %
- Loss on Drying: ≤ 0.20 %
- Melting Point: 184 - 191 oC
Proudly made in the USA! Click here for more made in America products!
PR1MA™ D-Cycloserine
CAS Number: 68-41-7
Molecular Weight: 102.1
Chemical Formula: C3H6N2O2
Solubility: Water
Storage Temp: 2-8°C
Interferes with bacterial cell wall synthesis by competing with D-Alanine
for incorporation into the cell wall. Active against most mycobacteria with
some activity against gram negative bacteria.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to pale yellowish crystalline powder
- Identification: A blue color gradually develops
- Specific Rotation: +108 - +114 °
- Polymer (285nm): ≤ 0.80
- Crystallinity: Should Comply
- pH: 5.5 - 6.5
- Loss on Drying: ≤ 1.0 %
- Residue on Ignition: ≤ 0.50 %
- Methanol: ≤ 0.30 %
- Ethyl Acetate: ≤ 0.50 %
- Ethanol: ≤ 0.5 %
- Acetone: ≤ 0.50 %
- Acetic Acid: ≤ 0.50 %
- Assay: ≥ 90.0 %
- Grade: USP
- Country of Origin: Report
Proudly made in the USA! Click here for more made in America products!
PR1MA™
D-(+)-Biotin [Vitamin H]
Common Name: Vitamin H
CAS Number: 58-85-5
Molecular Weight: 244.3
Chemical Formula: C10H16N2O3S
Solubility: Water
Storage Temp: 2-8°C
Research or further manufacturing use only, not for food or drug use.
- Appearance: White or off white powder
- Assay: 97.5 - 102.0 %
- Related Substance (HPLC-Individual Impurity): ≤ 1.0 %
- Related Substance (HPLC-Total Impurities): ≤ 2.0 %
- Residual Solvents: To meet requirements
- Specific Rotation: +89 - +93 °
- BSE/TSE Free: BSE/TSE Free
- Grade: USP
Proudly made in the USA! Click here for more made in America products!