S2K Commerce - Products Dropdown
S2K Commerce - Shopping Cart
S2K Commerce - Order Entry
Chemicals
MIDSCI™ is Your Trusted Source for High-Quality Lab Chemicals and Reagents
Looking for reliable chemicals to power your research? MIDSCI™ delivers a full range of high-purity reagents, solvents, and buffers designed for life science, pharmaceutical, microbiology, and organic chemistry workflows. From essential acids and bases to specialized biochemicals, growth media, and DNA kits, our inventory ensures precision, consistency, and compliance, backed by Certificates of Analysis (COAs) and Safety Data Sheets (SDS).
Explore PR1MA™ Chemicals, our premium line of USP- and ACS-grade chemicals
Perfect for molecular biology, plant science, and cellular research, PR1MA™ products offer full traceability and documentation for your peace of mind.
Shop now for high-quality chemicals or contact our experts for personalized recommendations!
Looking for ways to save? Sign up for our newsletter to hear about upcoming offers!
PR1MA™ Nourseothricin Sulfate [NTC] [clonNAT] [Streptothricin Sulfate]
Common Name: [NTC] [clonNAT] [Streptothricin Sulfate]
CAS Number: 96736-11-7
Solubility: Water
Storage Temp: 2-8°C
Dihydrogen sulfate form of the weekly basic antibiotic Nourseothricin consisting of components F, E and D. Effective against gram negative and gram positive bacteria. Also effective against mycobacteria, mycoplasms, protozoa, yeasts, viruses and plants. Commonly used as a selection agent for recombinant yeast strains.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Powder
- Carbon (C): Report %
- Hydrogen (H): Report %
- Nitrogen (N): Report %
- Purity (HPLC): ≥ 85 %
- Sulfur (S): Report %
PR1MA™ bis-TRIS [bis-(2-hydroxyethyl)aminotris(hydroxymethyl)methane]
Common Name: bis(2-Hydroxyethyl)aminotris (hydroxymethyl)methane
CAS Number: 6976-37-0
Molecular Weight: 209.2
Chemical Formula: C8H19NO5
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White crystalline powder
- Assay: ≥ 99.0 %
- Identification (IR): Matches reference
- Melting Point: Report oC
- pH, 1.0M Aqueous solution @25ºC: 9.5 - 11.0
- pKa @ 20°C: 6.0 - 7.0
- Solubility: Complete and clear
- UV Absorbance @280nm, 1.0 M in H2O: ≤ 0.40
PR1MA™ Colistin Sulfate
CAS Number: 1264-72-8
Molecular Weight: 2801.27
Chemical Formula: (C52H98N16O13
)2 • 5(H2SO4)
Solubility: Water
Storage Temp: Short Term: 2-8°C; Long Term: -20°C
Active against gram negative bacteria. Potency approximately 20,000 units
per milligram.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White or almost white powder
- Arsenic (As): ≤ 2 ppm
- Heavy Metals : ≤ 20 ppm
- Identification: Conforms
- Loss on Drying: ≤ 3.5 %
- pH (1% in H2O): 4.0 - 6.0
- Potency (Dried basis): ≥ 19000 µg/mg
- Solubility (50mg/ml in H2O): Clear and light yellow solution
- Specific Rotation: -73 - -63 °
- Sulfate: 16.0 - 18.0 %
- Sulfated Ash: ≤ 1.0 %
PR1MA™ Agar Noble, Powder
CAS Number: 9002-18-0
Solubility: Water with Heat
Storage Temp: Room Temperature
Ultra-high purity Agar recommended for use in applications where maximum
clarity and purity are essential. Thorough bleaching and washing procedures
are utilized to remove trace amounts of ash and mineral contaminants.
Concentrations of 3-8 g/L obtains a semi-solid gel.
Research or further manufacturing use only, not for food or drug use.
- Appearance: White to pale yellow crystalline powder
- ASH (Residue Ignition): ≤ 1.6 %
- Gelling Point: 32 - 39 °C
- Melting Point: 80 - 95 oC
- Moisture : ≤ 12.0 %
- pH (1.5% solution): 5.5 - 7.2
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 %
PR1MA™ Mitomycin C
CAS Number: 50-07-7
Molecular Weight: 334.3
Chemical Formula: C15H18N4O5
Solubility: Ethanol
Storage Temp: 2-8°C
Antineoplastic antibiotic that acts as an alkylating agent after activation and also suppresses the synthesis of nucleic acids. A cell-cylce non specific agent, most active in the late G1 and early S phases.
WARNING! This product can expose you to Mitomycin-C, 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: Blue violet solid
- Identification (UV): Conforms
- Purity-HPLC (RP CH3CN:H2O-0-100%): ≥ 99.0 %
- Purity-HPLC (RP MEOH:H2O-90-10): ≥ 98.0 %
- Purity-TLC (CH2CL2:MEOH- 9:1): ≥ 98.0 %
- Solubility (10 mg/ml MEOH): Clear Blue Solution
PR1MA™ HEPES, Free Acid [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]
Common Name: [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]
CAS Number: 7365-45-9
Molecular Weight: 238.3
Chemical Formula: C8H18N2O4S
Solubility: Water
Storage Temp: Room Temperature
Zwitterionic N-substituted aminosulfonic acid buffer.
- pka (25°C): 7.5
- pH Range (Working): 6.8 - 8.2
- Heavy Metals: <0.001% Max
- Appearance: White Crystalline Powder
- Assay (Titration, dried basis): ≥ 99.5 %
- DNase, RNase, protease: Not Detected
- Endotoxin (0.2% Solution): ≤ 0.25 EU/ml
- Heavy Metals (as Pb): ≤ 0.001 %
- Identification (IR): Pass
- Iron (Fe): ≤ 0.0005 %
- Loss on Drying: ≤ 1.0 %
- pH (5% in water): 5.0 - 6.5
- pKa @ 20°C: 7.35 - 7.70
- Residue on Ignition: ≤ 0.1 %
- Solubility (1M Solution in Water ): Clear and Colorless Solution
- Sulfate: ≤ 0.05 %
- UV Absorbance (1M@260nm): ≤ 0.05
- UV Absorbance (1M@280nm): ≤ 0.05
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
PR1MA™ Tris Base Ultra Pure [Tris (Hydroxymethyl) Aminomethane]
Common Name: Tris (Hydroxymethyl) Aminomethane
CAS Number: 77-86-1
Molecular Weight: 121.1
Chemical Formula: C4H11NO3
Solubility: Water
Storage Temp: Room Temperature
Highly purified for use in molecular biology applications.
Moisture:
<0.2%
Color:
<20 APHA (colorless)
Heavy Metals (as Pb):
<0.0001%
Insoluble Matter:
<0.005%
Heavy Metals:
5 ppm
pKa (20°C):
8.1 ± 0.1
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Crystalline Powder
- Purity (Dried Basis By GC): ≥ 99.9 %
- Related Substances By GC: ≤ 0.1 %
- Water: ≤ 0.2 %
- Loss on Drying @ 105 oC, 3hrs: ≤ 1.0 %
- Melting Point: 170 - 172 oC
- APHA Color, 20% Aqueous solution: ≤ 20
- Insoluble Matter: ≤ 0.005 %
- Heavy Metals (as Pb): ≤ 5 ppm
- Residue on Ignition: ≤ 0.5 %
- Iron (Fe): ≤ 5 ppm
- UV Absorbance @260nm, 10% Aqueous solution : ≤ 0.03
- UV Absorbance @280nm, 10% Aqueous solution : ≤ 0.02
- UV Absorbance @290nm, 40% solution in H2O: ≤ 0.20
- UV Absorbance @430nm, 10% Aqueous solution : ≤ 0.004
- Identification A: Pass
- Identification B: Pass
- Identification C: Pass
- pH (5% in water): 10.0 - 11.5
- Arsenic (As): ≤ 1 ppm
- Chloride: ≤ 100 ppm
- Copper (Cu): ≤ 1 ppm
- DNase, RNase, protease: None Detected
- Lead: ≤ 1 ppm
- Magnesium (Mg): ≤ 1 ppm
- pH (1M in H2O): 10.5 - 11.5
- Residual Solvents: Conforms to USP/EP
- Residue on Ignition (USP): ≤ 0.1 %
- Solubility (2M In H2O): Pass
PR1MA™ Doxycycline Hydrochloride
CAS Number: 10592-13-9Molecular Weight: 480.9
Chemical Formula: C22H24N2O8 • HCl
Solubility: Water
Storage Temp: 2-8°C
Tetracycline antibiotic active against gram positive and gram negative bacteria. Interferes with bacterial cell wall synthesis.
Research or further manufacturing use only, not for food or drug use.
- Appearance: Yellow crystalline powder
- Absorbance (349nm): 300 - 335
- Ethanol: 4.3 - 6.0 %
- Heavy Metals : ≤ 50 ppm
- Identification (A, B, C): Pass Test
- Light Absorbing Impurities (490nm): ≤ 0.5
- pH: 2.0 - 3.0
- Potency : 800 - 920 µg/mg
- Purity: 95.0 - 102.0 %
- Related Compound (6-Epidoxycyline): ≤ 2.0 %
- Related Substance (Any Other Impurity): ≤ 0.5 %
- Specific Optical Rotation: -120 - -105 o
- Sulfated Ash: ≤ 0.4 %
- Water: 1.4 - 2.8 %
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
PR1MA™ Potassium Phosphate, Dibasic, Anhydrous
CAS Number: 7758-11-4
Molecular Weight: 174.2
Chemical Formula: K2HPO4
Solubility: Water
Storage Temp: Room Temperature
Research or further manufacturing use only, not for food or drug use.
- Appearance: White Powder
- Assay: ≥ 98.0 %
- Chloride: ≤ 0.003 %
- Heavy Metals : ≤ 5 ppm
- Insoluble Matter: ≤ 0.01 %
- Iron (Fe): ≤ 0.001 %
- Loss on Drying @150 oC: ≤ 1.0 %
- Nitrogen Compound: ≤ 0.001 %
- pH (5%): 8.5 - 9.6
- Sodium (Na): ≤ 0.05 %
- Sulfate: ≤ 0.005 %
Web Content Viewer